Now Vitamin B100 100 VegeCapsulesB 100 Caps provide a full complement of B vitamins plus choline and inositol. These vitamins work to support energy production, maintain healthy homocysteine metabolism, and promote the health of the nervous system.* B vitamins are water soluble, and with the exception of B 12, have limited storage in the body and thus require daily replenishment. While B 12 is stored in the liver, dietary sources are of animal origin only (meat and dairy) and