Image: Shutterstock There are two types of vitamin D: vitamin D2 and vitamin D3. The fundamental distinction between vitamin D and vitamin D3 is that vitamin D is a fat-soluble vitamin that controls ...

Sunlight is the most natural source of vitamin D. It enables your skin to produce this nutrient naturally. Spend only 10–30 minutes a few times a week to increase levels, promoting healthy bones ...

Vitamin D3 deficiency is a widespread but often overlooked issue affecting hormones, immunity, and energy. Experts stress testing, supplementation, and consistent basics over complex health trends.