Compounding pharmacies operate under regulatory oversight from state pharmacy boards, the FDA for active pharmaceutical ingredient sourcing, the DEA, and USP standards - but a compounded medication occupies a materially different regulatory category than an FDA-approved finished drug product
Friedrichsen, M., Breitschaft, A., Tadayon, S., Wizert, A., & Skovgaard, D
Marjot T, et al
Distributed throughout the skin, intestine, kidneys, liver, and other organs, DPP-4 not only cleaves incretins, but also other proteins with proline (P) or alanine (A) residues as the second amino acid (Wani et al., 2008)
While some products like protein shakes can be added to your cart, others require a prescription through a medical provider