Established 1971. With (6s)-5-methyltetrahydrofolate. Supports energy. Our pledge of integrity. Authenticity, cleanliness, freshness, consistency, accuracy. Coenzyme B-complex contains essential B vitamins in its active, Coenzymated form. This complex that you’ve known and loved for over 15 years includes methylfolate (Quatrefolic) – the most advanced from currently available. And as always, you don't need to worry. About the typical vitamin B taste or odor. Quatrefolic. This product has been manufactured at a GMP registered facility. Yes: Manufacturing supports wind power. Certified B Corporation.