Source Naturals Dlpa Dl-Phenylalanine Supplement Vitamin | 375 mg | 120 Tabs. A 50/50 blend of the D- and L- form of the amino acid phenylalanine o A precursor to two neurotransmitters that help support an alert state o 375 mg per tablet o o Source Naturals Dlpa Dl-Phenylalanine Supplement Vitamin | 375 mg | 120 Tabs o Sold by... - Source Naturals Dlpa Dl-Phenylalanine Supplement Vitamin | 375 mg | 120 Tabs.
Source Naturals Dlpa Supplement Vitamin | 750 mg | 60 Tabs. 50/50 blend of the D- and L- forms of the amino acid phenylalanine o Supports an alert state o 750 mg per tablet o o Source Naturals Dlpa Supplement Vitamin | 750 mg | 60 Tabs o Sold by Swanson Vitamins... - Source Naturals Dlpa Supplement Vitamin | 750 mg | 60 Tabs.