This Solgar B-Complex 100 In The Vitamin B Complex Performs A Unique Role In Maintaining Proper Metabolic Functioning While Nutritionally Supporting The Body During The Occasional Stress Of Daily Living. B Complex Vitamins Are Needed For The Metabolism Of Carbohydrates Fats And Proteins Which Converts Food Into Energy. In Addition These Vitamins Play A Necessary Role In Supporting Cardiovascular And Nervous System Health.