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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

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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.

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Joints and Testosterone and Weight and Eyes

936 capsules across 49 ingredients

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.

Testosterone. Only a small number of ingredients hold register claims mentioning testosterone, and this page quotes them exactly. Claims in this category are heavily marketed well beyond what the register authorises; the split below shows the line.

Weight. The register takes a strict line on weight claims, and very little is authorised. This page shows the real status of ingredients people discuss for weight, quoted exactly. The NHS Better Health programme below is the evidence-based starting point.

Eyes. Ingredients here hold register claims relating to the maintenance of normal vision, quoted exactly on their pages. Regular sight tests catch what supplements never will; the Macular Society and RNIB below are the specialist organisations.

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

Vitamin C

1 authorised claim · 332 capsules · ingredient page
  • “Vitamin C contributes to normal collagen formation for the normal function of cartilage” · Joints

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

All 332 vitamin c capsules

Zinc

2 authorised claims · 249 capsules · ingredient page
  • “Zinc contributes to the maintenance of normal vision” · Eyes
  • “Zinc contributes to the maintenance of normal testosterone levels in the blood” · Testosterone

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

All 249 zinc capsules

Copper

1 authorised claim · 58 capsules · ingredient page
  • “Copper contributes to maintenance of normal connective tissues” · Joints

All 58 copper capsules

Vitamin A

1 authorised claim · 54 capsules · ingredient page
  • “Vitamin A contributes to the maintenance of normal vision” · Eyes

All 54 vitamin a capsules

Riboflavin

1 authorised claim · 36 capsules · ingredient page
  • “Riboflavin contributes to the maintenance of normal vision” · Eyes

All 36 riboflavin capsules

Manganese

1 authorised claim · 32 capsules · ingredient page
  • “Manganese contributes to the normal formation of connective tissue” · Joints

All 32 manganese capsules

Glucomannan

1 authorised claim · 6 capsules · ingredient page
  • “Glucomannan in the context of an energy restricted diet contributes to weight loss” · Weight

All 6 glucomannan capsules

Assessed by the register and not authorised

The register looked at claims for these relating to joints and testosterone and weight and eyes 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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