DMAA, 1,3, Dimethylamine, Dimethyl 1,3 Recently there has been a great deal of controversy over DMAA, Dimethyl 1, 3, or 1,3, Dimethylamine. Many top selling products in the world of nutrition supplements contain this ingredient.  At the beginning of May 2012 the FDA sent out 10 warning letters to companies marketing dietary supplements with DMAA.  They mentioned […] ↓ Read the rest of this entry…