Vitamin K

Origin of Ingredient

leafy greens (K1), fermented/animal foods and microbial sources (K2)

History of Ingredient

Vitamin K became established through modern nutrition and deficiency research, particularly during the 19th and 20th centuries. Supplement forms were subsequently developed to provide consistent, measurable nutrient intake.

Scientific Makeup of Ingredient

naphthoquinones required for gamma-carboxylation of proteins

UK Legal Claim

• Vitamin K contributes to normal blood clotting.
• Vitamin K contributes to the maintenance of normal bones. Conditions: Finished product must qualify as a source of the nutrient and meet the exact conditions of use in the current GB/EU register. Confirm the amount supplied by the recommended daily portion.

EU Legal Claim

• Vitamin K contributes to normal blood clotting.
• Vitamin K contributes to the maintenance of normal bones. Conditions: Finished product must qualify as a source of the nutrient and meet the exact conditions of use in the current GB/EU register. Confirm the amount supplied by the recommended daily portion.

US Legal Claim

FDA does not pre-approve ordinary dietary-supplement structure/function claims. Example for regulatory review only (NOT FDA-approved wording): “Supports normal bone health.” The marketer must hold substantiation, avoid disease claims, use the DSHEA disclaimer and notify FDA within 30 days after first marketing.

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August 24, 2024

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