Buy Douglas Laboratories, Ultra Preventive X, 120 Veggie Caps

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Douglas Laboratories is proud to announce that Ultra Preventive X with Vitamin K now contains Metafolin, a patented, natural form of (6S) 5- methyltetrahydrofolate (5-MTHF) as well as 1,000 IU of vitamin D3 per serving. 5-MTHF is the naturally occurring, predominant form of folate commonly found in cells and is essential for overall health, as it participates as a cofactor in a reaction that involves the remethylation of homocysteine to methionine. Unlike synthetic folic acid, 5-MTHF can be used directly by the body, without the need for an additional conversion via the enzyme (5,10- methylenetetrahydrofolate reductase (MTHFR)).