3 ms·
I though vitamin D was produced via UVB rays? How would a lamp without UV allow the body to produce vitamin d?
by jryan49 10y ago
I though vitamin D was produced via UVB rays? How would a lamp without UV allow the body to produce vitamin d?
- jcoffland 10y agohttps://www.amazon.com/s?field-keywords=uvb https://www.amazon.com/s?field-keywords=uvb