Master Formula HIS™ is specially formulated to support the nutritional needs of men. Master Formula HIS contains more vitamin B1, B2, zinc, and molybdenum than Master Formula HERS™. It contains no artificial flavors, preservatives, sugar, cornstarch, corn, wheat, or yeast products. Master Formula HIS also includes zinc in a base of alfalfa sprouts, citrus bioflavonoids, rutin, inositol, PABA (para amino benzoic acid ), and additional antioxidants to promote cell health.*