Best Biotin provides a substantial dose of the B-complex vitamin biotin, indispensable for the unique function of "biotinylation" that facilitates both energy and protein metabolism and healthy DNA activity. Clinical observations of biotin deficiency show its importance for the upkeep of healthy skin and hair, as well as for the immune and central nervous systems.
Preliminary evidence also suggests that biotin can promote healthy nail renewal.
Promotes healthy hair, skin, and nails
Supports gene regulation & DNA integrity
Supports essential enzyme functions

Doctor’s Best Fully Active B Complex contains all eight important B Vitamins, a full 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 (6S)-5 methyltetrahydrofolate,the most bioavailable form of folate, that provides greater stability and water solubility. Folate is an essential vitamin to support DNA, proper cell division, heart, mental and emotional well-being.