Taking a vitamin D3 supplement may help you achieve glowing skin and better mental clarity. Your skin naturally produces ...

The ultraviolet (UV) rays from sunlight convert cholesterol in your skin into vitamin D3. Before your body can use dietary vitamin D, it must be “activated” through a series of steps.

If you’ve discovered you have a deficiency in vitamin D, you’re not alone. It’s particularly common among: people who get limited sun exposure people with dark skin people over 65 years old ...

Research suggests that vitamin C can brighten and firm the skin, protect it from sun and environmental damage, diminish dark spots and even reduce the signs of aging. However, vitamin C is an ...