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Vitamin D (ergocalciferol-D2, cholecalciferol-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus. Having the right amount of vitamin D, calcium, and phosphorus is important for building and keeping strong bones.
Benefits of Vitamin B3: Niacin. One of the best benefits of vitamin B3 is that it can help boost your HDL cholesterol â your good cholesterol. The higher your HDL is, the lower your bad cholesterol count will be. Though B3 deficiency is relatively rare in development countries, it is common among alcoholics.