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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 and Fertility

520 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.

Fertility. Ingredients here hold register claims relating to fertility and reproduction, quoted exactly. UK guidance on folic acid before and during early pregnancy is the best-established nutritional advice in this area, and Fertility Network UK below offers wider support.

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 · 167 capsules · ingredient page
  • “Magnesium contributes to normal psychological function” · Mood

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

All 167 magnesium capsules

Vitamin C

2 authorised claims · 145 capsules · ingredient page
  • “Vitamin C contributes to normal psychological function” · Mood
  • “Vitamin C contributes to normal collagen formation for the normal function of cartilage” · Joints

All 145 vitamin c capsules

Zinc

1 authorised claim · 108 capsules · ingredient page
  • “Zinc contributes to normal fertility and reproduction” · Fertility

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

All 108 zinc capsules

Vitamin B6

1 authorised claim · 100 capsules · ingredient page
  • “Vitamin B6 contributes to normal psychological function” · Mood

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

All 100 vitamin b6 capsules

Vitamin B12

1 authorised claim · 80 capsules · ingredient page
  • “Vitamin B12 contributes to normal psychological function” · Mood

All 80 vitamin b12 capsules

Biotin

1 authorised claim · 65 capsules · ingredient page
  • “Biotin contributes to normal psychological function” · Mood

All 65 biotin capsules

Folate

2 authorised claims · 64 capsules · ingredient page
  • “Folate contributes to normal psychological function” · Mood
  • “Folate contributes to maternal tissue growth during pregnancy” · Fertility

All 64 folate capsules

Selenium

1 authorised claim · 45 capsules · ingredient page
  • “Selenium contributes to normal spermatogenesis” · Fertility

All 45 selenium capsules

Niacin

1 authorised claim · 20 capsules · ingredient page
  • “Niacin contributes to normal psychological function” · Mood

All 20 niacin capsules

Copper

1 authorised claim · 19 capsules · ingredient page
  • “Copper contributes to maintenance of normal connective tissues” · Joints

All 19 copper capsules

Manganese

1 authorised claim · 11 capsules · ingredient page
  • “Manganese contributes to the normal formation of connective tissue” · Joints

All 11 manganese capsules

Thiamine

1 authorised claim · 2 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 fertility 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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