Each of the Viridian B-complex supplements offers a full array of the B vitamins together with a higher level of a featured B vitamin. This supplement features a higher level of thiamine (vitamin B1). B1 (thiamine) contributes to the normal function of the heart, and to normal psychological function, energy-yielding metabolism and the normal functioning of the nervous system. B complex vitamins (B1, B2, B3, B5, B6 amp; B12) contribute to the reduction of tiredness and fatigue, to normal psychological function and mental performance, energy-yielding metabolism, the regulation of hormonal activity, the functioning of the immune, cardio and nervous systems and the maintenance of normal skin, mucous membranes, vision and red blood cells. B complex vitamins also contribute to the protection of cells from oxidative stress. This 'oxidative stress' appears to be a major factor in many human diseases. Directions: As a food supplement, take one capsule daily with food, or as directed by your healthcare professional. INGREDIENTS: one vegetarian capsule provides: Thiamin (Vitamin B1) 200mg d-Ca pantothenate (Vitamin B5) 50mg Niacinamide (Vitamin B3) 50mg Riboflavin (Vitamin B2) 20mg Pyridoxine (Vitamin B6) 20mg Choline bitartrate 20mg Inositol 20mg PABA (para aminobenzoic acid) 20mg Biotin 0.20mg Folic acid 200ug Vitamin B12 (cobalamin) 20ug In a base of alfalfa, spirulina amp; bilberry.