The Cellar - View Single Post - Which supplements are worth it and which are nonsense

glatt · 04-06-2010, 06:23 PM

I admit I didn't click on the link, but do blacks have a harder time manufacturing vitamin D in their skin because of their pigments?

04-06-2010, 06:23 PM	#43
glatt ™ Join Date: Jul 2003 Location: Arlington, VA Posts: 27,717	I admit I didn't click on the link, but do blacks have a harder time manufacturing vitamin D in their skin because of their pigments?