The human body does not have the capacity to produce phenylalanine, so this amino acid should be supplied along with the daily diet. Sources of this amino acid are mainly protein-rich foods, such as legumes, nuts, meat, fish and cheese. Phenylalanine is also present in some vegetables and fruits. An additional way to supply it externally can be supplementation. Among others, dietary supplements use a form such as D-phenylalanine.

D-phenylalanine - a dietary supplement by Doctor's Best

Doctor's Best D-Phenylalanine, 500 mg is a dietary supplement containing D-phenylalanine. It is suitable for vegans and vegetarians and those avoiding gluten and soya in their diet. It comes in the form of swallowable capsules and there are 60 in one pack. Before starting supplementation, as with other products in our range, it is worth reading the information on the label. If you would like to know them now, just click on the Product Label tab.