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Schuessler Tissue Salts Silica Oral Spray

Price $13.45 Save 5% RRP $14.09

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Tissue Salts

The twelve traditional tissue salts.

The Schuessler salts are numbered No. 1 to No. 12 and made using homoeopathic methods. Choose a single salt from the traditional system, or a combination of all twelve.

Christina Hanley, BHSc (Nutritional Medicine), Health Content Lead, Mr Vitamins

Christina HanleyBHSc (Nutritional Medicine), Health Content Lead
Checked this page September 2026

See what we checked

Is Tissue Salts right for you?

With tissue salts, the most useful thing we can tell you is what they aren't. These are the questions our naturopaths ask in store.

A good fit if

  • You follow the traditional numbered system and know which salt you want
  • You'd rather start with the combination than pick a number
  • You understand these aren't mineral supplements and you're choosing them on that basis

Check with us first if

  • You're managing your blood glucose or tooth decay, because some tablets use sucrose or lactose as the base.
  • You're avoiding lactose, which is the usual base in pillules.
  • You also take a nutritional mineral supplement and want to know how the two differ.
  • You're thinking of giving one to a child.

How the forms compare

  • Single salt, No. 1 to No. 12. Best known for: Following the traditional system one salt at a time. Absorption: Not applicable at 6X; there's no nutritional dose to absorb. Typical use: Chosen by number according to Schüssler's indications.
  • Combination tablets. Best known for: All twelve together, for people who'd rather not pick. Absorption: Not applicable at 6X. Typical use: The usual starting point in retail.
  • Lactose-based pillules and tablets. Best known for: The standard carrier. Absorption: Dissolves under the tongue. Typical use: Check the excipients if you avoid lactose.
  • A nutritional mineral supplement instead. Best known for: An actual milligram dose of iron, magnesium or calcium. Absorption: Measurable, and dose-dependent. Typical use: The right product if a blood test has shown a deficiency.

Common questions

Is a Mag Phos tablet the same as a magnesium supplement?

No, and this is the most useful thing to know before you buy. Tissue salts are made at 6X, a repeated dilution, so there's no nutritionally meaningful magnesium left in the tablet. If you want a magnesium dose, choose a magnesium supplement. The two share a mineral name and nothing else.

Does the evidence show tissue salts work?

Not so far. The only trial of a named tissue salt at the strength sold in stores tested Kali Phos 6X against placebo in 86 people and found no evidence of a treatment effect. A large review of reviews found no convincing evidence that homeopathy works beyond placebo. We'd rather tell you that up front.

Are they safe?

From the available data, side effects in homeopathy trials were no more common than in comparison groups. The practical cautions are about the base rather than the active: lactose or sucrose matters if you're avoiding either, and under Australian law, oral magnesium phosphate must not be given to babies under 12 months.

How much, and when

Reference values. No Nutrient Reference Value applies. A 6X preparation doesn't supply a nutritional amount of the mineral it's named after, so the reference values for iron, magnesium or calcium don't apply to these products.

Typical supplemental range. Australian packs follow Schüssler's own approach, which he put plainly: "In my practice I generally use the 6th decimal trituration." Almost all tissue salts in store are 6X. Directions vary by brand and are on the pack.

Upper level. None is set, because there's no meaningful amount of the mineral to limit. Where a tissue salt ingredient also has a nutritional entry on Australia's permitted ingredients list (Schedule 1), those limits apply to the nutritional form, not to the 6X tablet.

Worth knowing. If you're after a mineral dose, look at mineral supplements instead. What you need depends on your age, diet and health, so talk to one of our naturopaths.

Before you start

This list is the part of the page we will not shorten. If any of it applies to you, talk to one of our naturopaths or your doctor before starting.

  • Anyone with a suspected iron, magnesium or calcium deficiency. A tissue salt is not a substitute for a blood test and a milligram dose.
  • Infants under 12 months. Oral magnesium phosphate medicines must not be directed for use in them (items 1777, 3169, 3170).
  • People managing blood glucose or dental caries. Sucrose is a permitted excipient and is used in some homoeopathic tablets.
  • People avoiding lactose. Lactose is the standard carrier for pillules and tablets.
  • Nat Sulph products. Mandatory label warning where not intended as a laxative: "Substance may have a laxative effect".
  • Calc Fluor and total fluoride. Fluoride concentration from all ingredients must be no more than 10 mg/kg, 10 mg/L or 0.1%.
  • If you take prescription medicines, check with your doctor, pharmacist or our naturopaths before starting.

The evidence, and its limits

  • A triple-blind cross-over trial in 86 volunteers found no evidence of a treatment effect for Kali Phos 6X against placebo on mental fatigue. (PubMed record)
  • A systematic review of systematic reviews found no convincing evidence that homeopathy has effects beyond placebo. (PubMed record)
  • At 6X potency no nutritionally meaningful amount of the named mineral remains in the tablet. (Schedule 1, item 1076)
  • Adverse events in homeopathy trials were no more frequent than in controls (OR 0.99, 95% CI 0.86 to 1.14). (PubMed record)
  • Schedule 1 restricts several tissue salt ingredients to homoeopathic use only, including ferric phosphate (item 2197). (Schedule 1, item 1076)
  • Oral magnesium phosphate medicines must not be directed for use in infants under 12 months. (Schedule 1, item 1076)

How it works

Schüssler believed illness follows an imbalance in the minerals in your body's cells, and that giving back those same minerals in tiny, repeatedly diluted doses corrects it. He wrote that he usually used the sixth decimal dilution, which is the 6X strength still on the shelf today. The key thing to know before you buy: at 6X there's no nutritionally meaningful amount of the mineral left. A Mag Phos tablet isn't a magnesium supplement and a Ferrum Phos tablet isn't an iron supplement, whatever the names suggest.

The Australian rules

Tissue salts aren't a single Schedule 1 name. Each of the twelve is its own ingredient, and the Determination treats them differently depending on the compound. Several are restricted to homoeopathic use only. Ferric phosphate (item 2197) and calcium fluoride (item 1076) both carry purpose code H. Others, like calcium phosphate (item 1102) and calcium sulfate (item 1111), are permitted listed for active, excipient and homoeopathic use alike, which means the same chemical name can appear on a nutritional supplement and on a 6X tablet while meaning entirely different things. Sodium sulfate products carry a laxative warning where they aren't intended as a laxative, and oral magnesium phosphate must not be directed for infants under 12 months. Permitted-ingredient status isn't a government endorsement of any product or claim, and it says nothing about whether a 6X preparation works.

Read the instrument: Schedule 1, item 1076.

Not sure this is the right form for you? Ask one of our naturopaths. It is free and takes 10 minutes.

Always read the label and follow the directions for use. General information only, and not a substitute for advice from your doctor or one of our naturopaths.

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