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BestCapsules

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Say what you want help with. The finder shows what the GB register lets any seller claim for it, what the register assessed and refused, and the cheapest capsules per capsule for each ingredient. It quotes; it never advises.

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Where the register allows less than sellers suggest

Anything you already take or are considering?

Name it and the finder says whether the register authorises any claim for it for your goals, or refused one, or has never assessed it.

  • None yet. Type an ingredient in the box above, for example “magnesium” or “turmeric”.

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Seller-stated only: vegan means the seller says vegan.

Digestion and Teeth and gums

454 capsules across 30 ingredients

Digestion. The register authorises specific wording about digestion for a few nutrients, quoted exactly on their pages, and refused most of the probiotic and gut wording sellers reach for. The split below is the honest picture. Persistent digestive symptoms are a matter for a GP, and Guts UK is the specialist charity.

Teeth and gums. The register authorises wording about the maintenance of normal teeth for several minerals and vitamins, quoted exactly on their pages. Brushing, fluoride and regular check-ups do the real work; the Oral Health Foundation is the specialist charity.

Nothing here is medical advice. The wording is the GB register's, quoted exactly; whether a product qualifies to use it is the seller's responsibility. Speak to a GP or pharmacist before taking a supplement, especially if you are pregnant, take medicines or have a diagnosed condition. Wording from the GB nutrition and health claims register; mapping reviewed 4 September 2026.

Holds an authorised claim

Magnesium

1 authorised claim · 132 capsules · ingredient page
  • “Magnesium contributes to the maintenance of normal teeth” · Teeth and gums

All 132 magnesium capsules

Vitamin C

2 authorised claims · 106 capsules · ingredient page
  • “Vitamin C contributes to normal collagen formation for the normal function of gums” · Teeth and gums
  • “Vitamin C contributes to normal collagen formation for the normal function of teeth” · Teeth and gums

All 106 vitamin c capsules

Vitamin D

1 authorised claim · 76 capsules · ingredient page
  • “Vitamin D contributes to the maintenance of normal teeth” · Teeth and gums

All 76 vitamin d capsules

Calcium

2 authorised claims · 28 capsules · ingredient page
  • “Calcium contributes to the normal function of digestive enzymes” · Digestion
  • “Calcium is needed for the maintenance of normal teeth” · Teeth and gums

All 28 calcium capsules

Activated Charcoal

1 authorised claim · 8 capsules · ingredient page
  • “Activated charcoal contributes to reducing excessive flatulence after eating” · Digestion

Not authorised for digestion: the register refused 1 claim there.

All 8 activated charcoal capsules

Chloride

1 authorised claim · 2 capsules · ingredient page
  • “Chloride contributes to normal digestion by production of hydrochloric acid in the stomach” · Digestion

Phosphorus

1 authorised claim · 2 capsules · ingredient page
  • “Phosphorus contributes to the maintenance of normal teeth” · Teeth and gums

Lactase enzyme

1 authorised claim · 1 capsule · ingredient page
  • “Lactase enzyme improves lactose digestion in individuals who have difficulty digesting lactose” · Digestion

Assessed by the register and not authorised

The register looked at claims for these relating to digestion and teeth and gums and turned them down. Sellers may not make them. Prices are shown for ingredients you named; the rest link to their register page.

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