In short Oral BPC-157 is biologically active and produces replicable results, but mechanism of absorption and distribution are distinct from the injectable form of administration
I think the FDA has enough of their own problems just trying to manage the system the way it is
Hoppe Seylers Z Physiol Chem 365:195212
Furthermore, Dihexa decreased the activation of astrocytes and microglia, markedly reduced levels of the pro-inflammatory cytokines IL-1 and TNF- and increased the levels of the anti-inflammatory cytokine IL-10
Intermittent Treatment: Administration of a therapeutic intervention at specific intervals rather than continuously

Vitamin A (as Beta Carotene) Vitamin C (Ascorbic Acid) Vitamin D (as Cholecalciferol) Vitamin E (as D-Alpha Tocopherol Acetate) Thiamin (as Thiamine Hydrochloride) Riboflavin, Niacin (as Niacinamide), Vitamin B6 (as Pyridoxine Hydrochloride) Folate (as Calcium L-5 Methyitetrahydrofolate) Vitamin B12 (as Methycobalamin), Biotin (as Magnesium Biotinate), Pantothenic Acid (as D-Calcium Pantothenate), Choline (as choline bitartrate), Zinc (zinc citrate), Chromium (chromium picolinate), Lustriva (Inositol-stabilized Arginine Silicate, Magnesium Biotinate), Inositol, Methylsulfonylmethane, Proprietary Branched Chain Amino Acid Complex (L-Leucine, L-Isoleucine, L-Valine), Betaine, Hesperidin Other Ingredients: Purified Water, Vegetable Glycerin, Natural Flavors, Xanthan Gum, Evaporated Sea Water, Cranberry Fruit Powder, Organic Aloe Vera Inner Leaf Extract, Citric Acid, and Organic Noni Fruit Powder