Vitamin D is vital for immunity, brain health, strong bones, and overall well-being, but taking in too much from supplements ...

Beyond skeletal strength, these two forms of Vitamin D also play important roles in immune function, supporting the body's defenses against illness. They are also integral to maintaining muscle ...

Medically reviewed by Melissa Nieves, LND Key Takeaways Vitamin D3 maintains higher and more stable blood levels than vitamin ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The supplement aisle can be chaotic — an endless wall of brands and formulations to supposedly support ...

Vitamin D2 and D3 are the two main forms of vitamin D. Vitamin D2 is present in plants and yeast, while D3 comes from animal sources. Vitamin D is essential for a range of bodily functions such as ...

Vitamin D deficiency impacts more than 1 billion people worldwide. Vitamin D deficiency can negatively affect a child’s growth, immune response, mental health, and more, which is why proper treatment ...