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The Supplement Source NG
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Doctor's Best fully Active B Complex contains all eight important B Vitamins, fully spectrum designed for optimal absorption and utilization to support overall health and well-being. Water-soluble B vitamins play important roles in cell metabolism, supporting DNA, organs, genes, cells, tissues, skin health, immune system, enzyme functions and energy production.
Quatrefolic® is the glucosamine salt of (65)-5-methyltetrahydrofolate, the most bioavailable form of folate, that provides greater stability and water solubility.
Adult use: Take 1 capsule daily with food, or as recommended by a nutritionally informed physician. Always read the label and use as directed.
February 2026
Do not exceed recommended dose. Consult a physician if hypersensitive to thiamin (vitamin B1), niacin, and vitamin B12. Discontinue use and consult a physician if adverse reaction occurs. Keep out of reach of children.
Store in a cool dry place.
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