High Strength Vitamin C, B12 & Folic Acid Energy. Comprehensive formula includes Iron Bisglycinate, Vitamin C, B12, and Folic Acid. Iron, Vitamin B12, and Folic Acid reduce tiredness and fatigue. To enhance this even further, Vitamin C is included to increase iron uptake, helping you get the most benefit without the common digestive discomfort associated with other forms of iron.