- BPC-157: Primarily used for tissue repair, gut healing (ulcerative colitis), and reducing inflammation.
- TB-500 (Thymosin Beta-4 fragment): Often prescribed for muscle repair, wound healing, and recovery.
- KPV: An anti-inflammatory peptide studied for wound healing and gut health.
- MOTS-c: A mitochondrial peptide investigated for metabolic regulation, obesity, and osteoporosis.
- Emideltide (DSIP): Used for opioid withdrawal, chronic insomnia, and narcolepsy.
- Semax: A neuropeptide studied for cognitive function, migraine relief, and blood blockage issues.
- Epitalon (Epithalamamin): Researched for its effects on insomnia and anti-aging.
- Thymosin Alpha-1 (Ta1): Known for immune system modulation.
- GHK-Cu (Copper Peptide): Popular for skin health, anti-aging, and wound healing.
- CJC-1295: A growth hormone-releasing peptide used for metabolism and muscle support.
- Ipamorelin: Often paired with CJC-1295 to stimulate natural growth hormone production.
- Selank: A neuropeptide used for anxiety management and neuroprotection.
- Cathelicidin (LL-37): Studied for antimicrobial and wound-healing properties.
- Dihexa Acetate: Investigated for cognitive health and neuroprotection.
- AOD-9604: A fragment of human growth hormone focused on fat metabolism.
What does this mean for patients currently using compounded peptides from local and mail order pharmacies?
To be clear most of these peptides are currently available from sterile compounding pharmacies with special licenses for sterile compounding, and in some cases, biologic compounding.
A recent “797” filing did outline rules for injectable compounds, beyond use dates, storage requirements, compounding specifications and more.
All pharmacies that manufacture any compound must source their API (raw materials) from a verified USP provider/importer to ensure safety and sterility.

- FDA Registration: The manufacturer must be registered with the FDA under Section 510.
- Monograph Compliance: If a USP/NF monograph exists for the substance, the bulk material must strictly comply with those specific standards.
- Exclusion of “Research Use Only” (RUO): Pharmacies are prohibited from sourcing peptides labeled for “research use only,” as these do not meet the clinical-grade standards required for human administration, especially sterile injectable use.
All of the compounding pharmacies we currently use perform extensive third party testing on the manufactured batch after formulation. This means the raw material is tested before going to compounders, then the formulated product is tested again before going to patients.
- Sterility Testing: This is the primary defense against microbial contamination. It involves incubating samples to detect the presence of bacteria or fungi.
- 503B Facilities: Required to test every single batch for sterility before it is released to the market.
- BUD: Beyond Use Date Testing for Storage, Temperature, and Shelf Life.
- Endotoxin Testing: Specifically targets “pyrogens”—microbial byproducts that can cause severe fever or shock if injected. This is mandatory for all 503B products and for 503A high-risk compounds (those made from non-sterile starting ingredients).
- Potency Testing: Confirms the concentration of the active ingredient (API) matches the label exactly. While 503B facilities must validate potency for every batch, most 503A pharmacies also perform this voluntarily to ensure dosing consistency.
- Particulate Matter Inspection: A visual or automated check to ensure the liquid is clear and free of any visible fibers, glass shards, or undissolved precipitates.
These rules only apply to peptides and compounds produced by US Based Compounding Pharmacies. This does not apply to “research use only” or “black market products” as these are sold and labeled as “Not for Human Use” which is just a loophole. At MedClub we support the current review process the FDA is doing as there is a huge demand for these compounds with little patient education. A big demand and short supply often creates a robust black market and most people are not aware they are opening themselves up to deadly bacteria and endotoxins when injecting a compound they bought online that says “Research Use Only” – We have great success utilizing peptides to improve patient outcomes for all sorts of ailments, we want to be able to continue this while giving patients the peace of mind that the compounds we choose are sourced and tested with the highest possible standards of safety.
We will update this article as new information becomes available…Stay Tuned
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All of our published blog articles are intended as informational and educational only, they should not be considered medical advice.