Natural factors Hi potency b complex a group of b vitamins to support health, increase energy production and improve energy levels. Maintains healthy energy levels, and supports enzyme activity in essential body functions, b vitamins support normal growth and development, aid in the formation of tissues and red blood cells, and promote healthy liver function. Helps the body convert carbohydrates, fats and proteins into energy & contributes to an increase in the level of energy production in the body. Improving mood and relieving anxiety and depression & helps reduce the risk of stroke.