Viridian High One B1 B-Complex offers a complex of B vitamins and includes a higher concentration of vitamin B1 (also known as thiamine). Thiamine or vitamin B1, supports healthy cardiac function as well as normal nervous system, energy-producing metabolism, and psychological and neurological processes. The B complex vitamins (B1, B2, B3, B5, B6, and B12) help to reduce fatigue and tiredness, support normal mental and psychological functioning, aid in normal energy-producing metabolism, control hormonal activity, support the health of the immune, cardiovascular, and neurological systems, and preserve healthy skin, mucous membranes, eyesight, and red blood cells. The vitamins in the B complex family also help shield cells from oxidative damage. This product contains only 100% active nutrients and no artificial fillers or preservatives. Sourced according to Viridian’s strict ethical criteria including no animal testing, GMO or palm oil.