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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 Bones

574 capsules across 35 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.

Bones. Ingredients here hold register claims relating to the maintenance of normal bones, quoted exactly on their pages. Weight-bearing exercise and dietary calcium are the foundations, and the Royal Osteoporosis Society is the specialist charity for anything further.

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 · 49 capsules · ingredient page
  • “Magnesium contributes to the maintenance of normal bones” · Bones

All 49 magnesium capsules

Vitamin D

3 authorised claims · 28 capsules · ingredient page
  • “Vitamin D contributes to the maintenance of normal bones” · Bones
  • “Vitamin D is needed for normal growth and development of bone in children.” · Bones
  • “Vitamin D helps to reduce the risk of falling associated with postural instability and muscle weakness. Falling is a risk factor for bone fractures among men and women 60 years of age and older.” · Bones

All 28 vitamin d capsules

Vitamin C

2 authorised claims · 25 capsules · ingredient page
  • “Vitamin C contributes to normal collagen formation for the normal function of bones” · Bones
  • “Vitamin C contributes to normal collagen formation for the normal function of cartilage” · Joints

All 25 vitamin c capsules

Zinc

1 authorised claim · 20 capsules · ingredient page
  • “Zinc contributes to the maintenance of normal bones” · Bones

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

All 20 zinc capsules

Calcium

3 authorised claims · 9 capsules · ingredient page
  • “Calcium helps to reduce the loss of bone mineral in post-menopausal women. Low bone mineral density is a risk factor for osteoporotic bone fractures” · Bones
  • “Calcium is needed for normal growth and development of bone in children.” · Bones
  • “Calcium is needed for the maintenance of normal bones” · Bones

All 9 calcium capsules

Vitamin K

1 authorised claim · 8 capsules · ingredient page
  • “Vitamin K contributes to the maintenance of normal bones” · Bones

All 8 vitamin k capsules

Copper

1 authorised claim · 3 capsules · ingredient page
  • “Copper contributes to maintenance of normal connective tissues” · Joints

Manganese

2 authorised claims · 1 capsule · ingredient page
  • “Manganese contributes to the maintenance of normal bones” · Bones
  • “Manganese contributes to the normal formation of connective tissue” · Joints

Assessed by the register and not authorised

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