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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

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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.

  • 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.

Joints and Mood

1086 capsules across 34 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.

Mood. The register authorises wording for some nutrients relating to normal psychological function, and this page shows which, quoted exactly. Low mood that persists deserves real support rather than a capsule; Mind's information and helplines below are a good place to start.

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 normal psychological function” · Mood

All 257 magnesium capsules

Vitamin C

2 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 psychological function” · Mood

All 238 vitamin c capsules

Vitamin B6

1 authorised claim · 144 capsules · ingredient page
  • “Vitamin B6 contributes to normal psychological function” · Mood

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

All 144 vitamin b6 capsules

Vitamin B12

1 authorised claim · 123 capsules · ingredient page
  • “Vitamin B12 contributes to normal psychological function” · Mood

All 123 vitamin b12 capsules

Folate

1 authorised claim · 104 capsules · ingredient page
  • “Folate contributes to normal psychological function” · Mood

All 104 folate capsules

Biotin

1 authorised claim · 94 capsules · ingredient page
  • “Biotin contributes to normal psychological function” · Mood

All 94 biotin capsules

Copper

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

All 42 copper capsules

Niacin

1 authorised claim · 38 capsules · ingredient page
  • “Niacin contributes to normal psychological function” · Mood

All 38 niacin capsules

Manganese

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

All 28 manganese capsules

Thiamine

1 authorised claim · 3 capsules · ingredient page
  • “Thiamine contributes to normal psychological function” · Mood

Assessed by the register and not authorised

The register looked at claims for these relating to joints and mood 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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