Best Vitamins and Supplements for Gut Health in Australia Guide
Reviewed by Yurie Sato, BHSc (Naturopathy), Naturopath · How we review
Fibre, probiotics or digestive enzymes? We compare eight gut and stomach products sold at Mr Vitamins, from fibre powders to probiotics with named strains. See who each ingredient was tested in, which nutrients to check with your GP first, what each costs and what customers say about them.
- Health advice
- 15 min read
- Nov 12, 2026
Reviewed on [insert review date] · Next review: November 2027.
The best vitamins for gut health are often not vitamins at all. Fibre, probiotics and digestive enzymes have more research behind them for everyday gut health. Vitamins matter most when you're short of one, and some common medicines make that more likely.
The research backs some options far more than others. Fibre supplements helped adults with long-term constipation in 16 trials, mainly at more than 10 g of fibre a day, and psyllium had the clearest results [1]. The British Dietetic Association funded that review. Probiotics are popular for regularity, yet a large 2024 trial of one widely used strain, Bifidobacterium lactis HN019, found no difference from placebo (a dummy treatment) in 229 adults with functional constipation [2]. Danisco China funded that trial in full.
In terms of our top pick, we recommend Live More You Nutraceuticals Pre-Biotic Fibre Blend, a prebiotic fibre powder that dissolves easily into food or drinks, at $20 for a 200 g tub. It's sold as a food, not a listed medicine, and the blend itself hasn't been tested in trials.
With more than 370 products in stock in our Gut Health & Liver Supplements range, we've compared eight for gut and stomach health. We looked at the research behind each ingredient, who it was tested in, regulatory status, format, cost per day and customer reviews, to help you choose with confidence.
Always read the label and follow the directions for use. If symptoms persist, talk to your healthcare professional.
What Affects Gut Health?
Gut health covers how well you digest food, how regular you are and how comfortable your stomach feels. Food, fluids, activity and some medicines all play a part. That's why the basics come first, and supplements fill the gaps.
Fibre is the most common gap. In 2011 to 2012, Australian adults ate a median of 20.7 g a day, and only 28.2% reached the recommended amount [3]. That recommended amount is 25 g a day for women and 30 g for men [4]. Kellogg Australia funded the intake study.
Add fibre slowly and drink enough water, because a sudden switch to a high-fibre diet can bring abdominal pain and wind [5]. For everyday tips on wind and fullness, read Listen to your gut: Cause and solutions for temporary bloating.
Can Vitamins and Supplements Help Your Gut?
Supplements can help fill a fibre gap, support your gut flora when you travel or take antibiotics, and help you digest a heavy meal. They don't treat gut conditions. Bloating that doesn't settle can come from coeliac disease, food intolerances or irritable bowel syndrome (IBS), so see your doctor if it keeps happening [6].
For help working out where to start, talk to our practitioners.
Who Each Gut Health Supplement Helps Most
Most lists rank gut supplements as if they work the same for everyone. The trials say otherwise, and with probiotics the strain matters as much as the species.
| Ingredient | Clearest Results In | Little or No Effect Seen In | How Soon |
|---|---|---|---|
| Psyllium (soluble fibre) | Adults with long-term constipation, at more than 10 g of fibre a day [1]; adults with IBS, where soluble fibre helped [7] | Lower doses [1]; wheat bran in adults with IBS [7] | Stool frequency improved in trials lasting at least 4 weeks [1] |
| Prebiotic fibres (such as inulin and other fructans) | Healthy adults, where fibre raised levels of Bifidobacterium and Lactobacillus, two groups of friendly gut bacteria [8] | Adults with long-term constipation, where prebiotic fibres didn't improve response to treatment [1]; overall gut bacteria diversity didn't change [8]; 10 g of oligofructose, a short-chain fructan, noticeably increased wind and bloating [9] | Varies by trial |
| Pectin (fruit fibre) | Adults with long-term constipation, where pectin was one of two fibres with a significant effect [1] | Based on a single trial for response to treatment [1] | Not established |
| Saccharomyces boulardii (a probiotic yeast) | Children and adults taking antibiotics: diarrhoea fell from 18.7% to 8.5% across 21 trials [10]. Of the three probiotics with enough trials to pool, only S. boulardii CNCM I-745 reduced traveller's diarrhoea [11] | C. difficile diarrhoea in adults (no significant reduction) [10] | Taken during the antibiotic course in the trials [10] |
| Probiotics in general (single strains and blends) | Adults taking antibiotics: a 37% lower risk of antibiotic-associated diarrhoea across 42 trials [12] | B. lactis HN019 in adults with functional constipation: no difference from placebo over 8 weeks [2], and no difference in the main or secondary results over 28 days in a trial sponsored by DuPont Nutrition and Health [13] | Taken alongside antibiotics in the trials [12] |
| Glutamine | Adults with IBS with diarrhoea that began after a gut infection, and a leakier gut lining, at 15 g a day [14] | One trial so far in this group [14] | 8 weeks [14] |
| Digestive enzymes | People whose pancreas doesn't make enough enzymes (prescription pancreatic enzymes), and lactase for people who don't digest lactose well [15] | Plant and microbial enzyme blends are still being studied [15] | With each meal |
| Slippery elm | Studied only within combination formulas, in a small uncontrolled pilot of adults with IBS [16] | Not tested on its own in the research cited [16] | Not established |
This table summarises research on each ingredient and makes no claim about any product.
Check for a Shortfall First
Nutrients tend to make the biggest difference when you're low in them. A look at your diet, or a blood test from your GP, stops you paying for something you don't need.
| Nutrient | What the Research Shows | Ask Your GP About | Our Pick |
|---|---|---|---|
| Fibre | Only 28.2% of Australian adults reached the recommended intake [3], which is 25 g a day for women and 30 g for men [4] | Your usual intake of wholegrains, legumes, fruit and vegetables, or a dietitian review | Bonvit Psyllium Husk or Live More You Nutraceuticals Citrus Fibre |
| Vitamin B12 | Stomach acid medicines such as omeprazole can lower B12 absorption from food, and metformin might too. Older adults, and people with coeliac disease, Crohn's disease or past stomach surgery, are more likely to run low [17] | A B12 blood test if you take these medicines long term | Talk to your GP first |
| Iron | High-dose iron supplements, especially on an empty stomach, can cause an upset stomach, constipation and nausea [18] | Iron studies before you start, and the right dose and timing if iron upsets your stomach | Talk to your GP first |
Low B12 can leave you feeling tired or weak [17], and low iron can bring tiredness and a lack of energy [18]. If energy is your main concern, read Best Vitamins and Supplements for Energy in Australia (2026 Guide).
What Makes a Good Gut Health Supplement?
Gut health supplements vary more than most people realise. Five things separate a well-made supplement in our Gut Health & Liver Supplements range from an average one.
- Clear Australian regulatory status. Look for an AUST L number, which shows the product is listed with the Therapeutic Goods Administration (TGA) and made to its manufacturing standards. Fibre powders are usually sold as foods, which can't make the claims a listed medicine can.
- An ingredient matched to your situation. Fibre suits a low-fibre diet, a probiotic suits travel or a course of antibiotics, and enzymes suit heavy meals.
- Named strains and full amounts. Each probiotic strain has different effects [19], so look for strain codes such as CNCM I-745 or HN019 and the CFU (colony-forming units, the live count) per dose.
- A dose you can build up to. Fibre works best when you add it gradually with plenty of water.
- Compatibility with your health and medicines. Probiotics aren't for people with a weakened immune system [19], and fibre can affect how some medicines are absorbed.
Every product on our list was assessed against these criteria: dose, regulation, research and label content.
Comparing the Best Vitamins and Supplements for Gut Health in Australia
1. Live More You Nutraceuticals Pre-Biotic Fibre Blend (Top Pick)
Live More You Nutraceuticals Pre-Biotic Fibre Blend is our top pick for adults who want an easy way to add more fibre to the day. It's a prebiotic fibre powder in a 200 g tub that dissolves easily into food or drinks, so there are no capsules to swallow.
Stir it into a smoothie, yoghurt or porridge and follow the directions on the pack. At $20 for a 200 g tub, it's an easy one to try.
It's sold as a food, not a listed medicine, and the blend itself hasn't been tested in trials.
Key details: 200 g powder | Follow the directions on the pack | Prebiotic fibre blend | Mixes into food or drinks | Food
2. Bonvit Psyllium Husk
Bonvit Psyllium Husk is 100% psyllium husk, with nothing added. It costs from $9.95 for 200 g, and the 1 kg pack works out at about 19 to 39 cents a day, the lowest daily cost we could calculate on our list.
Adults take 5 g, about two 5 mL spoonfuls, once or twice a day. Stir it briskly into a full glass of cool water or fruit juice, drink it straight away, then drink another glass of water. In liquid it swells into a soft gel, so it needs plenty of fluid.
Don't take it if you have difficulty swallowing, or when you have abdominal pain, nausea or vomiting. Seek medical advice if you have difficulty breathing, chest or abdominal pain, nausea or vomiting after taking it. High-fibre diets may affect the absorption of some medicines, so ask your pharmacist about timing. It may cause allergic reactions in people sensitive to inhaled or ingested psyllium.
"For fiber supplement, this is an excellent product. Try it."
"Good product and good value on larger bulk pack."
"We have this husk daily"
Key details: 200 g, 500 g or 1 kg powder | 5 g once or twice a day | 100% psyllium husk | Take with plenty of water | Food
3. Herbs Of Gold Probiotic + Sb
Herbs Of Gold Probiotic + Sb pairs the probiotic yeast Saccharomyces boulardii with three bacterial strains. Each capsule gives you 11 billion CFU: 6 billion S. boulardii, 2 billion Bifidobacterium lactis Bl-04, and 1.5 billion each of Lactobacillus acidophilus La-14 and Lactobacillus plantarum Lp-115.
It's a listed medicine (AUST L 299407). Its permitted indications include helping to maintain friendly gut flora during antibiotic use, helping to restore it afterwards, and helping to reduce the occurrence of symptoms of traveller's diarrhoea.
S. boulardii reduced antibiotic-associated diarrhoea from 18.7% to 8.5% across 21 trials in children and adults [10]. The Medical University of Warsaw funded that review. Of the three probiotics with enough trials to pool for traveller's diarrhoea, only S. boulardii CNCM I-745 reduced it [11]. This product doesn't name its S. boulardii strain.
Adults and children over 12 take 1 capsule a day with food. Don't give it to children under 2 without medical advice. It's stable at room temperature, so it travels well. Seek medical advice if diarrhoea lasts more than 48 hours in adults and children over 6, 24 hours in children aged 3 to 6, 12 hours in children under 3, or 6 hours in babies under 6 months.
"An excellent pro biotic, that keeps the digestive systems balanced & functioning properly. Perfect for daily use or when traveling. Great value for money!"
"Have been taking these for about a week now, and I feel much better in my digestive system. Totally recommend."
"I have been using this product for about two years now. It[']s a great product."
Key details: 30 or 60 capsules | 1 capsule a day | 11 billion CFU, including 6 billion S. boulardii | No refrigeration needed | AUST L 299407
4. Nutralife Probiotica High Potency 50 Billion
Nutralife Probiotica High Potency 50 Billion gives you 50 billion CFU in one capsule a day, from five named strains. These are Lactobacillus acidophilus La-14, Bifidobacterium lactis Bl-04 and HN019, Lactobacillus paracasei Lpc-37 and Lactobacillus plantarum Lp-115, with 150 mg of acacia fibre.
It's a listed medicine (AUST L 377216). Its permitted indications include helping to maintain friendly gut flora during antibiotic use and helping to restore it afterwards.
For adults only. Take 1 capsule a day with food. It's shelf stable, contains sulfites, and the 50-capsule pack costs about 63 cents a day.
"Best one out there for me."
"love this!"
"First time trying this product so far so good"
Key details: 30 or 50 capsules | 1 capsule a day | 50 billion CFU from 5 strains, plus 150 mg acacia | Contains sulfites | AUST L 377216
5. Nutrition Care Gut Relief
Nutrition Care Gut Relief is a powder that combines glutamine with herbs and fibres. Each 5 g scoop gives you 2.5 g of glutamine, 500 mg of slippery elm inner bark, 500 mg of glucosamine, 200 mg of quercetin, thyme, guar gum, pectin, aloe vera, curcumin and a little peppermint oil.
It's a listed medicine (AUST L 472405). Its permitted indications include maintaining gastrointestinal system health and gastrointestinal mucosal membrane health. Thyme is traditionally used in Western herbal medicine to relieve flatulence, wind pain and the symptoms of indigestion.
Adults mix one level scoop with water and drink it straight away, 1 to 3 times a day with food. It has a peppermint and thyme flavour and is sweetened with stevia. It contains crustacean products and sulfites, and it isn't for children under 2. In very rare cases, Curcuma species may harm the liver. Stop use and see a doctor if you have yellowing skin or eyes, or unusual fatigue, nausea, appetite loss, abdominal pain, dark urine or itching. A 150 g tub costs about $1.63 to $4.90 a day, depending on how many serves you take.
"Great product, great price, my gut is feeling healthy and happy."
"Excellent products which is easily digested."
"Very happy."
Key details: 150 g powder (30 serves) | 5 g, 1 to 3 times a day | 2.5 g glutamine per scoop | Contains crustacean and sulfites | AUST L 472405
6. Herbs Of Gold Digest-Zymes
Herbs Of Gold Digest-Zymes combines six enzymes with gentian root in one capsule. The enzymes are amylase, protease, lipase, lactase, cellulase and bromelains, which break down carbohydrates, proteins, fats, fibre and lactose.
It's a listed medicine (AUST L 279633). Its permitted indications include helping the digestion of fats, carbohydrates and lactose. Gentian is traditionally used in Western herbal medicine to relieve the symptoms of indigestion, including abdominal bloating and fullness. Lactase is one of the better-studied enzymes, used by people who don't digest lactose well [15].
Adults and children over 12 take 1 capsule three times a day, before each meal. It may contain benzoates. At three capsules a day, the 60-capsule pack costs about $1.54 a day.
"Great combination of enzymes that really work with my digestive issues"
"Best I’ve tried"
Key details: 60 capsules | 1 capsule before each meal | 6 enzymes plus 120 mg gentian extract | May contain benzoates | AUST L 279633
7. Herbs Of Gold Slippery Elm 400mg
Herbs Of Gold Slippery Elm 400mg is a single-herb capsule with 400 mg of slippery elm (Ulmus rubra) inner bark powder. It's a simple, low-cost choice if you prefer capsules to powders.
It's a listed medicine (AUST L 169112). Slippery elm is traditionally used in Western herbal medicine to soothe the mucous membranes of the gastrointestinal tract. Its permitted indications also include maintaining healthy mucous linings of the digestive system.
Adults take 1 to 2 capsules a day, and the 60-capsule pack costs about 33 to 66 cents a day.
"I find this product really helps settle my gut"
Key details: 60 capsules | 1 to 2 capsules a day | 400 mg slippery elm inner bark | Single herb | AUST L 169112
8. Live More You Nutraceuticals Citrus Fibre
Live More You Nutraceuticals Citrus Fibre has one ingredient: citrus fibre from orange peel and pulp. It's a pectin-rich fibre in a 200 g tub for $20.
Stir 1 to 2 teaspoons into water, juice or a smoothie each day, and drink plenty of water when you take a fibre supplement. Follow the directions on the pack.
It's sold as a food, not a listed medicine. It suits you if you want a single-ingredient fibre with no blend to think about.
Key details: 200 g powder | 1 to 2 teaspoons a day | Orange peel and pulp fibre | Drink plenty of water | Food
Best Vitamins and Supplements for Gut Health in Australia (2026 Comparison)
| Product | Format | Key Ingredients | Daily Serve | TGA Status | Approx. Cost per Day | Customer Rating | Best For |
|---|---|---|---|---|---|---|---|
| Live More You Nutraceuticals Pre-Biotic Fibre Blend | Powder | Prebiotic fibre blend | As directed on the pack | Food | Not stated ($20 for 200 g) | No reviews yet | Adding fibre to drinks or meals |
| Bonvit Psyllium Husk | Powder | 100% psyllium husk | 5 g, once or twice | Food | ~$0.19 to $0.39 | 4.9 (16 reviews) | A low-cost soluble fibre |
| Herbs Of Gold Probiotic + Sb | Capsule | S. boulardii 6 billion plus 3 bacterial strains (11 billion CFU) | 1 capsule | AUST L 299407 | ~$0.66 | 4.8 (4 reviews) | Travel, and gut flora during and after antibiotics |
| Nutralife Probiotica High Potency 50 Billion | Capsule | 5 strains, 50 billion CFU, acacia 150 mg | 1 capsule | AUST L 377216 | ~$0.63 | 4.8 (5 reviews) | A one-a-day multi-strain probiotic |
| Nutrition Care Gut Relief | Powder | Glutamine 2.5 g, slippery elm, quercetin, thyme | 5 g, 1 to 3 times | AUST L 472405 | ~$1.63 to $4.90 | 5.0 (4 reviews) | A glutamine and herb drink |
| Herbs Of Gold Digest-Zymes | Capsule | 6 enzymes including lactase, gentian 120 mg | 1 capsule before each meal | AUST L 279633 | ~$1.54 | 5.0 (2 reviews) | Help digesting fats, carbohydrates and lactose |
| Herbs Of Gold Slippery Elm 400mg | Capsule | Slippery elm inner bark 400 mg | 1 to 2 capsules | AUST L 169112 | ~$0.33 to $0.66 | 5.0 (1 review) | A traditional herb in capsule form |
| Live More You Nutraceuticals Citrus Fibre | Powder | Citrus fibre from orange peel and pulp | 1 to 2 teaspoons | Food | Not stated ($20 for 200 g) | No reviews yet | A single-ingredient fruit fibre |
Prices are Mr Vitamins prices on 9 November 2026 and may change. Cost per day is calculated at the label dose from the largest pack sold. Ratings count only reviews of each product on mrvitamins.com.au on the same date.
Build a Simple Daily Routine
A routine is easiest to keep when it's simple. Start with one product, add fibre gradually, and take what you choose at the same time each day.
- Morning: stir Live More You Nutraceuticals Pre-Biotic Fibre Blend into your smoothie or yoghurt as directed on the pack, and take one Herbs Of Gold Probiotic + Sb capsule with breakfast. The probiotic costs about 66 cents a day, and the fibre blend is $20 a tub.
- Evening: stir 5 g of Bonvit Psyllium Husk into a full glass of water, drink it straight away, then drink another glass. The probiotic and psyllium together cost about 85 cents a day, plus the fibre blend.
Taking regular medicines? Ask your pharmacist how to space your fibre around them. Not sure which combination suits you? Book a Free Naturopath Consult, Online or In Store for help choosing.
Best Vitamins and Supplements for Stomach Issues and Bloating
Match the product to your personal circumstances, then explore our in-depth guides and ranges.
Bloating and Wind
Bloating has many causes, so the fix depends on yours. It often comes from certain foods, swallowed air, fizzy drinks or chewing gum, and a doctor may suggest probiotics or a change in diet [6]. If you add fibre, start low: 10 g of oligofructose noticeably increased wind and bloating in healthy adults [9]. Cargill funded that study. In an MRI study of 22 healthy volunteers, 15 g of psyllium taken with 15 g of inulin didn't change total colon gas over six hours, though gas was lower in the later hours [20]. The UK Medical Research Council and BBSRC funded it. Explore our Prebiotic Supplements and Psyllium Husk Powder, Capsules & Tablets ranges.
Upset or Sensitive Stomach
An upset stomach after rich meals is where digestive enzymes fit. Enzyme blends with lactase suit people who don't digest dairy well [15]. Slippery elm is traditionally used in Western herbal medicine to soothe the mucous membranes of the digestive tract. See our Digestive Enzyme Supplements and Slippery Elm ranges.
Stomach Issues While Travelling or Taking Antibiotics
Probiotics have their best research here. Across 42 trials in adults, they lowered the risk of diarrhoea during antibiotics by 37% [12]. For traveller's diarrhoea, the evidence is strain-specific [11], so check the strain code on the pack. Read How you can benefit from Probiotics whilst taking Antibiotics, or browse our Probiotic Supplements. Heading into winter? See Best Vitamins and Supplements for Cold and Flu in Australia (2026 Guide).
Gut Health for Women
Women need 25 g of fibre a day, rising to 28 g during pregnancy for women aged 19 to 50, and 25 g for pregnant teens aged 14 to 18 [4]. Iron needs are also higher in pregnancy, and high-dose iron supplements can upset the stomach [18]. If you're pregnant, check with your GP, midwife or pharmacist before taking any supplement.
Outside pregnancy, the same fibre and probiotic choices apply, and our Probiotics For Women range collects women's formulas in one place.
Gut Health for Men
Men need 30 g of fibre a day [4], and males were less likely than females to reach their recommended intake [3]. A daily fibre powder is the simplest way to close the gap. Browse our Probiotics For Men range for men's formulas.
Gut Health and Skin
Researchers are studying links between gut bacteria and the skin, often called the gut-skin axis, but this research is at an early stage [21]. Eating enough fibre and plants supports your gut either way. Read How Gut Health Supports Glowing Skin, Hair and Nails.
Stomach Ulcers, Leaky Gut and IBS: What the Evidence Says
These are medical conditions, and supplements don't treat them. The research on each is for your understanding only. Talk to your GP before you add anything.
Stomach Ulcers
Stomach ulcers are usually caused by Helicobacter pylori bacteria or by anti-inflammatory pain relievers (NSAIDs). Doctors usually prescribe medicines that reduce stomach acid, with antibiotics to clear H. pylori when it's present [22]. No vitamin or supplement replaces that treatment. Get medical help straight away for sudden, severe pain in your abdomen, or vomit that looks like coffee grounds [22].
Leaky Gut
Your gut lining can become more permeable after stresses such as endurance exercise or anti-inflammatory medicines [23]. It hasn't yet been shown that restoring the gut barrier improves symptoms in gut or other diseases [23]. One trial in adults with IBS with diarrhoea that began after a gut infection, and a leakier gut lining, found 15 g of glutamine a day improved symptoms over 8 weeks [14]. The authors called for larger trials to confirm the result [14]. The US National Institutes of Health funded it.
Irritable Bowel Syndrome (IBS)
Across 14 trials of fibre in adults with IBS, the benefit came from soluble fibre such as psyllium, while bran showed no effect [7]. Peppermint oil capsules improved overall symptoms and pain in adults with IBS [24]. Some probiotic strains and combinations looked helpful, but the review authors couldn't say which ones work [25]. Get a diagnosis first, because coeliac disease and food intolerances can cause similar symptoms [6].
Prebiotics vs Probiotics: What's the Difference?
- What they are: substances your gut bacteria selectively use, with a health benefit [26]
- Examples: inulin, fructans and other plant fibres
- Research: raised friendly bacteria counts in healthy adults [8]
- Best for: a low-fibre diet
- Consider: start low, as larger amounts can bring wind [9]
- What they are: live microorganisms that, in adequate amounts, benefit health [27]
- Examples: Lactobacillus, Bifidobacterium and S. boulardii
- Research: strongest for antibiotic-associated diarrhoea [12]
- Best for: travel or a course of antibiotics
- Consider: results depend on the strain, and they aren't for people with a weakened immune system [19]
Which Gut Health Supplement Should You Choose?
Choosing a Gut Health Supplement
The best vitamins for gut health are usually fibre, probiotics and enzymes, with vitamins mattering most when you're short of one. Our top pick, Live More You Nutraceuticals Pre-Biotic Fibre Blend, suits adults who want an easy way to add more fibre to the day. For a budget soluble fibre, choose Bonvit Psyllium Husk, or Live More You Nutraceuticals Citrus Fibre for a single fruit fibre. For travel or antibiotics, look at Herbs Of Gold Probiotic + Sb or Nutralife Probiotica High Potency 50 Billion. For heavy meals, consider Herbs Of Gold Digest-Zymes. Whatever you choose, match it to your situation, add fibre slowly with water, read the label and give it a few weeks.
How to Choose the Right Gut Health Supplement for You
-
Start with your situation
- Low fibre: a fibre powder
- Travel or antibiotics: a probiotic with named strains
- Heavy meals or dairy: digestive enzymes
-
Check for a shortfall
- Ask your GP about B12 if you take stomach acid medicines or metformin long term
- Ask about iron studies before you take iron
-
Check the label category
- Look for the AUST L number on listed medicines and verify it on the TGA's ARTG register
- Fibre powders sold as foods can't make the claims a listed medicine can
-
Read the strain and the dose
- Probiotic results are strain-specific, so look for strain codes and the CFU per dose
-
Be wary of big promises
- Avoid products that promise to "heal" or "fix" your gut, or that skip the label directions
Why Buy Your Gut Health Supplements From Mr Vitamins
- Expert advice, free: qualified practitioners in every store, with no appointment needed, plus a Free Naturopath Consult, Online or In Store, with no obligation to buy
- Trusted since 1992: 8 stores across NSW and QLD
- Rated 4.7 stars: from more than 8,000 verified customer reviews
- Range: more than 840 trusted brands
- Fast and free options: free Click & Collect in 1 hour, and free standard shipping on orders over $120 in NSW and the ACT and over $150 in QLD, VIC, SA, TAS and WA (see our Shipping policy)
- Quick dispatch: our team endeavours to dispatch in-stock orders the same day
Not Sure Where to Start?
Gut health looks different for everyone, and a practitioner can help you work out where to start. Find our practitioners in store, or book a Free Naturopath Consult, Online or In Store. See your GP if bloating or stomach pain keeps coming back, or if you notice blood in your poo or weight loss you can't explain. You can also browse our full Gut Health & Liver Supplements range.
Gut Health Supplement FAQs
What are the best vitamins for gut health?
The best vitamins for gut health are usually not vitamins at all: fibre, probiotics and digestive enzymes have more research behind them. Our top pick for an easy daily fibre top-up is Live More You Nutraceuticals Pre-Biotic Fibre Blend, a powder that mixes into food or drinks for $20 a tub. Fibre supplements helped adults with long-term constipation, mainly at more than 10 g a day [1]. Vitamins such as B12 matter most if you're low, for example after long-term use of stomach acid medicines [17].
What vitamin is good for your gut health?
No single vitamin is best for gut health. Vitamin B12 is worth checking, because stomach acid medicines such as omeprazole can lower its absorption from food, and metformin might too [17]. Ask your GP for a B12 blood test if you take these long term.
What are the best vitamins for stomach bloating?
The answer depends on the cause, because bloating often comes from certain foods, swallowed air, fizzy drinks or chewing gum [6]. Add fibre slowly, because larger amounts of some prebiotic fibres increased wind and bloating [9]. See your doctor if bloating doesn't improve.
What are some good digestive enzyme tablets?
Look for a listed medicine with named enzymes and amounts. Herbs Of Gold Digest-Zymes (AUST L 279633) combines six enzymes, including lactase, with gentian root, taken one capsule before each meal. It's rated 5.0 out of 5 from 2 reviews.
Should I take a prebiotic or a probiotic?
If your diet is low in fibre, start by adding fibre from food or a fibre powder. Choose a probiotic for travel or a course of antibiotics, where the research is strongest [12]. You can take both.
Who shouldn't take probiotics?
People with a weakened immune system shouldn't take probiotics. That includes people having chemotherapy or an organ transplant, people taking immunosuppressive medicines, and people who've recently had surgery [19]. Bloating, wind and diarrhoea are the most common side effects, mostly in the first week [19].
What are the best vitamins for leaky gut?
A vitamin isn't the answer for a leaky gut. Researchers can measure gut permeability, but it hasn't yet been shown that restoring the gut barrier improves symptoms [23]. If you have ongoing gut symptoms, see your GP for a diagnosis.
What are the best vitamins for stomach ulcers?
Vitamins and supplements don't treat stomach ulcers. Ulcers are usually caused by Helicobacter pylori bacteria or anti-inflammatory pain relievers, and doctors treat them with acid-reducing medicines, plus antibiotics when H. pylori is the cause [22]. See your GP if you think you have an ulcer.
What are the best gut health vitamins for women and men?
The best gut health vitamins for women and men are much the same: enough fibre first, then a probiotic or enzyme matched to your situation. Women need 25 g of fibre a day and men 30 g [4]. Women who are pregnant need more iron and fibre [18] [4].
What are the best vitamins for a sensitive stomach in pregnancy?
Talk to your GP, midwife or pharmacist about which pregnancy vitamin suits you. Pregnancy raises your iron needs, and high-dose iron, especially on an empty stomach, can cause an upset stomach, constipation and nausea [18]. They can help with the dose and timing.
Does gut health affect your skin?
Researchers are studying links between gut bacteria and the skin, but the evidence is still early [21]. Looking after your gut with fibre and plants is worthwhile either way.
How can I strengthen my gut?
Eat plenty of plants and wholegrains, drink enough water, move every day and add fibre gradually [5]. Food comes first, and a fibre powder can help top up [5]. Only 28.2% of Australian adults reached their recommended fibre intake in 2011 to 2012 [3], so that's usually the place to start.
How long do gut health supplements take to work?
Fibre supplements worked best when taken for at least 4 weeks in adults with constipation [1]. Probiotics in the antibiotic trials were taken during the antibiotic course [10]. Give any new product a few weeks, and see your GP if symptoms persist.
References
- van der Schoot A, Drysdale C, Whelan K, Dimidi E. The Effect of Fiber Supplementation on Chronic Constipation in Adults: An Updated Systematic Review and Meta-Analysis of Randomized Controlled Trials. The American Journal of Clinical Nutrition. 2022;116(4):953-969. doi:10.1093/ajcn/nqac184
- Cheng J, Gao C, Ala-Jaakkola R, Forssten SD, Saarinen M, Hibberd A, et al. Eight-Week Supplementation With Bifidobacterium lactis HN019 and Functional Constipation: A Randomized Clinical Trial. JAMA Network Open. 2024;7(10):e2436888. doi:10.1001/jamanetworkopen.2024.36888
- Fayet-Moore F, Cassettari T, Tuck K, McConnell A, Petocz P. Dietary Fibre Intake in Australia. Paper I: Associations with Demographic, Socio-Economic, and Anthropometric Factors. Nutrients. 2018;10(5):599. doi:10.3390/nu10050599
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General Disclaimer
This article is intended for general informational and educational purposes only. It does not constitute medical advice and is not a substitute for professional healthcare advice, diagnosis or treatment. Always read the label and follow the directions for use. If symptoms persist, talk to your healthcare professional.
The information in this article is not intended to diagnose, treat or prevent any disease or health condition. References to research reflect the current state of published evidence on individual ingredients and are not claims made about any specific product. Individual results may vary.
Products shown with an AUST L number are listed on the TGA Australian Register of Therapeutic Goods (ARTG). The TGA doesn't evaluate listed medicines for efficacy before listing; they may only use indications from its list of permitted indications. Live More You Nutraceuticals Pre-Biotic Fibre Blend, Live More You Nutraceuticals Citrus Fibre and Bonvit Psyllium Husk are sold as foods and are not listed medicines. Always verify current regulatory status for any product on the ARTG.
Products were selected by the Mr Vitamins team's assessment of the research, regulatory status, format, value and customer reviews. Customer reviews are shown as submitted on mrvitamins.com.au and reflect individual experiences. Prices are Mr Vitamins prices at the time of writing and are subject to change.
If you are pregnant, breastfeeding, taking prescription medications or have an existing health condition, consult a qualified healthcare professional before using any supplement. Keep all supplements out of reach of children. Vitamin and mineral supplements should not replace a balanced diet.
© Mr Vitamins. All rights reserved. Content is reviewed periodically but may not reflect the most current product formulations, regulatory status or research. Published: November 2026. Next review due: November 2027.
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