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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.

What do you want help with?

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.

Teeth and gums and Joints and Focus

1479 capsules across 60 ingredients

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.

Joints. Joints carry the largest set of refused claims in the register: glucosamine, chondroitin, MSM, turmeric and collagen-for-joints wording were all assessed and turned down. What is authorised is narrow and quoted exactly on the ingredient pages: vitamin C for normal collagen formation for the normal function of cartilage, and manganese for normal formation of connective tissue. Versus Arthritis is the specialist charity for anything beyond nutrition.

Focus. Some nutrients hold register claims relating to normal cognitive or psychological function, quoted exactly on their pages. The wording is precise and worth reading as written; anything beyond it is marketing, not authorised claim.

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 · 257 capsules · ingredient page
  • “Magnesium contributes to the maintenance of normal teeth” · Teeth and gums

All 257 magnesium capsules

Vitamin C

3 authorised claims · 238 capsules · ingredient page
  • “Vitamin C contributes to normal collagen formation for the normal function of cartilage” · Joints
  • “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 238 vitamin c capsules

Zinc

1 authorised claim · 184 capsules · ingredient page
  • “Zinc contributes to normal cognitive function” · Focus

Not authorised for joints or teeth and gums: the register refused 2 claims there.

All 184 zinc capsules

Vitamin D

1 authorised claim · 172 capsules · ingredient page
  • “Vitamin D contributes to the maintenance of normal teeth” · Teeth and gums

All 172 vitamin d capsules

Calcium

1 authorised claim · 76 capsules · ingredient page
  • “Calcium is needed for the maintenance of normal teeth” · Teeth and gums

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

All 76 calcium capsules

Iron

2 authorised claims · 60 capsules · ingredient page
  • “Iron contributes to normal cognitive function” · Focus
  • “Iron contributes to normal cognitive development of children” · Focus

All 60 iron capsules

Copper

1 authorised claim · 42 capsules · ingredient page
  • “Copper contributes to maintenance of normal connective tissues” · Joints

All 42 copper capsules

Iodine

1 authorised claim · 38 capsules · ingredient page
  • “Iodine contributes to normal cognitive function” · Focus

All 38 iodine capsules

Manganese

1 authorised claim · 28 capsules · ingredient page
  • “Manganese contributes to the normal formation of connective tissue” · Joints

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

All 28 manganese capsules

Pantothenic Acid

1 authorised claim · 28 capsules · ingredient page
  • “Pantothenic acid contributes to normal mental performance” · Focus

All 28 pantothenic acid capsules

Phosphorus

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

Assessed by the register and not authorised

The register looked at claims for these relating to teeth and gums and joints and focus 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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