How Do You Know if You Are Getting Enough Vitamin D?
The key point to understand is that sunlight is composed of about 1500 wavelengths, but the only wavelength that will have your body make vitamin D are UVB-rays when they shine…
The key point to understand is that sunlight is composed of about 1500 wavelengths, but the only wavelength that will have your body make vitamin D are UVB-rays when they shine…