AOR Advanced B Complex Ultra - This formula is based on AOR's Advanced B Complex, but with even better absorption and additional benefits for heart health, brain health, and energy. With Pyrroloquinoline quinone (PQQ), a B-vitamin-like nutrient that enhances brain health and formulated with niacin, the most active form of vitamin B3, and the form most effective for heart health and cholesterol. Advanced B Complex Ultra contains a safe dose of niacin and the slow release formula minimizes the chances of uncomfortable flushing. Made with time-release technology to enhance absorption, and provides all of the B vitamins, some of them in multiple forms, for superior efficacy in the body.