OstroVit - Histidine is an amino acid...
Dietary supplement IronMaxx - Vitamin B Bioactive contains a complex of vitamins of group B, namely: vitamins B1, B2, B6, B12, niacin, pantothenic and folic acids.
AllNutrition - Biotin food supplement - vitamin B7 (biotin), useful for healthy and beautiful looking hair and skin.
Swanson - Balance B-50 Complex is formulated with B vitamins for optimal nutritional performance.
Swanson Super Stress B-Complex helps replenish nutrients that are most needed during times of high stress.