This is Country Life's most advanced, powerful and revolutionary B-Complex in a "coenzymated" body-ready form. Through years of experience and a science-forward approach, we’ve created Coenzyme B-Complex Advanced, one of our most potent formulas, combining 7 Coenzymated B Vitamins essential to physical health.** This formula also includes ingredients that support increased energy production, nervous system support, and sugar metabolism.**. Proposed as the next essential B-Vitamin, Pyrroloquinoline quinone (PQQ) has been shown to help increase mitochondria and energy production.** Benfotiamine is known as the next level Vitamin B-1 that quickly converts in the body due to its fat solubility.** And finally, Country Life is unique to include NADH, which is its own true coenzyme.