Peptides
MOTS-c and BPC-157 explained: what the research says
What MOTS-c and BPC-157 are, what they are studied for, why most evidence comes from animals, and what to know about safety, sport rules and FDA status.
MOTS-c and BPC-157 come up in almost every peptide conversation. They are very different molecules with very different research stories. Here is what each one is and what is known so far.
MOTS-c: a peptide from your mitochondria
Mitochondria are the small structures inside cells that turn food into usable energy. They carry their own DNA, separate from the DNA in the cell nucleus. In 2015, researchers reported that a short stretch of mitochondrial DNA codes for a 16-amino-acid peptide they named MOTS-c.
In mice, MOTS-c acted as a signal that affects how cells handle energy. It works through AMPK, a sensor cells use to balance energy supply and demand, and it changed how muscle used glucose. Some studies also find that MOTS-c levels in the body rise during exercise, which is why researchers study it alongside physical activity.
What MOTS-c research does not show
Most MOTS-c research is in cells and animals. It has not been shown to cause weight loss or improve fitness in people, and long-term safety in people is not established. If you are interested in weight care, GLP-1 programs are a separate, better-studied option to discuss with your provider.
Because MOTS-c is studied for glucose use, anyone who takes insulin or another medication that lowers blood sugar needs to tell their provider before starting.
BPC-157: body protection compound
BPC-157 is a lab-made chain of 15 amino acids based on a protein first found in stomach fluid. The name stands for body protection compound. Animal studies look at its effect on blood vessel growth and repair signaling in tendons, ligaments, muscle and the gut lining.
A 2025 systematic review of BPC-157 in orthopaedic sports medicine found that the large majority of studies were in animals, with very few in people. Those human reports were small and not designed to prove that it works. That is the honest state of the evidence today.
Side by side
| MOTS-c | BPC-157 | |
|---|---|---|
| What it is | A peptide coded by mitochondrial DNA | A lab-made peptide based on a stomach protein |
| Studied for | Cellular energy and glucose use | Tendon, muscle and gut tissue repair |
| Evidence in people | Limited | Very limited |
| Sport rules | On the WADA Prohibited List | On the WADA Prohibited List |
| FDA status | Compounded, not FDA-approved | Not FDA-approved |
Regulatory status
When a licensed pharmacy compounds a peptide, it prepares it for one patient on a prescription. Compounded medications are not FDA-approved and have not been reviewed by the FDA for safety, effectiveness or quality. In 2026 the FDA removed BPC-157 and MOTS-c from its list of compounding substances that raise significant safety concerns, but its policy on peptide compounding is still developing.
Who should avoid them
- People who are pregnant, breastfeeding or trying to conceive
- Anyone with active cancer or a history of cancer
- Athletes in tested sports, because both are on the World Anti-Doping Agency Prohibited List
- Anyone under 18
- For MOTS-c, anyone on insulin or blood sugar medication without their provider's approval
Possible side effects
Reported effects include injection-site redness, swelling or bruising, headache, nausea and tiredness. Allergic reactions are possible. Tell your provider about every medication and supplement you take.
How to get started
MOTS-c and BPC-157 through Awesentials require an online visit with a licensed provider, who decides whether either is appropriate. Online visits are opening soon; join the list on the program page and we will contact you when they open.
Sources
- The mitochondrial-derived peptide MOTS-c promotes metabolic homeostasis and reduces obesity and insulin resistance (Cell Metab, 2015) | PubMed
- Emerging Use of BPC-157 in Orthopaedic Sports Medicine: A Systematic Review (2025) | PubMed
- Certain Bulk Drug Substances for Use in Compounding that May Present Significant Safety Risks | FDA
- Compounding and the FDA: Questions and Answers | FDA
- The Prohibited List | World Anti-Doping Agency
This article is educational and does not diagnose conditions, establish eligibility for any medication, or replace care from a licensed provider. Compounded medications are not FDA-approved.
