Clinically-Trusted Care - DFH is the #1 practitioner supplement brand recommended by functional medicine professionals and the #1 practitioner supplement brand personally trusted by functional medicine professionals.**. Higher Standard. Better Results - Designs for Health maintains a strict, no-compromises approach to quality raw material selection. We never cut corners with substandard ingredients. This product is Gluten-Free, Dairy-Free, and Non-GMO. Balanced Essentials - This product provides amino acids which are considered to be 'essential,' meaning they cannot be made in the body and, thus, must be obtained through diet or supplementation. Includes l-phenylalanine, l-histidine, l-tyrosine & more. Delicious & Convenient Powder - This great-tasting fruit punch-flavored powder contains no sugars or caloric sweeteners; it is sweetened with the natural herb stevia. Potent, Bioavailable Aminos - Because the high potency amino acids in this product are in their free form, they can be readily absorbed and utilized by the body.*.