Energizing nutrition for body and mind Crucial for energy production and healthy neurotransmitter function Featuring the active coenzyme cocarboxylase Recharge your mental and physical batteries with the energizing nutrition of Activated Vitamin B-1 from Swanson Premium. With its crucial roles in energy production and healthy neurotransmitter function, vitamin B-1 (thiamin) may be one of the most important basic vitamins for mental and physical vitality. But not all vitamin B-1 supplements are the same. Our Activated Vitamin B-1 veggie capsules feature cocarboxylase (also known as thiamin diphosphate or thiamin pyrophosphate), an active, coenzyme form of the vitamin that plays a crucial role in the metabolism of carbohydrates and certain amino acid derivatives, providing valuable energizing support for body and mind.