Promotes cellular energy production Supports an optimally functioning nervous system and healthy nerve cells B vitamins promote the conversion of carbohydrates into energy and the metabolism of fats and proteins Promotes healthy red blood cell formation Isn’t derived from yeast, unlike many B vitamin supplements on the market Thorne Basic B Complex contains the active forms of the B vitamins, making it easy for your body to absorb them. This comprehensive blend provides multiple benefits to support your lifestyle, such as helping convert food into fuel and enhancing cellular energy. Because most B vitamins don’t remain in the body, they must be acquired from diet and supplementation to help maintain optimal health. This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants, such as heavy metals, pesticides, and microorganisms. Directions Take 1 capsule one to three times daily or as recommended by your health-care practitioner. If pregnant, consult your health-care practitioner before using this product. Warnings 5-methyltetrahydrofolate (5-MTHF) supplementation is not recommended concurrent with methotrexate cancer therapy, as it can interfere with methotrexate's anti-neoplastic activity; however, this folate source has not been shown to interfere with the anti-inflammatory activity of methotrexate. An individual taking methotrexate for psoriasis or rheumatoid arthritis can safely take a supplement containing folate.