Can you get vit D through a window
Your body can’t make vitamin D if you’re sitting indoors by a sunny window because ultraviolet B (UVB) rays (the ones your body needs to make vitamin D) can’t get through the glass.
Your body can’t make vitamin D if you’re sitting indoors by a sunny window because ultraviolet B (UVB) rays (the ones your body needs to make vitamin D) can’t get through the glass.