Instead of going peptide by peptide, it's often more useful to start from the other end: what's your goal? Here we organize them by what people search for most often.
In short: We organize the most mentioned peptides by the goal you're after — weight loss, recovery, muscle, longevity, or skin — so you can quickly find the ones that match yours.
I want to lose weight
By far the category with the most demand. The most mentioned:
- Semaglutide — GLP-1 agonist, reduces appetite and slows gastric emptying.
- Tirzepatide — dual GIP/GLP-1 agonist, same goal with a somewhat different mechanism.
- Retatrutide — triple agonist, under research for weight control.
If you're going down this path, read our guide on semaglutide and how the dose is calculated.
I'm recovering from an injury
- BPC-157 — the most mentioned for tissue repair and digestive health.
- TB-500 — associated with healing, cell regeneration, and mobility.
We go deeper into the first one in this article on BPC-157.
I want to gain muscle
- Ipamorelin — GH secretagogue with a milder side-effect profile.
- CJC-1295 — long-acting, often combined with the previous one.
- MK-677 — the only option on this list active orally.
I'm interested in longevity / anti-aging
- Epitalon — derived from the pineal gland, studied in the context of cellular aging.
- MOTS-c — of mitochondrial origin, trending for its metabolic role.
- GHK-Cu — also shows up here for its role in cell regeneration.
Hair and skin
- GHK-Cu — the best known, associated with collagen production.
We dedicate a full article to it: GHK-Cu and the skin.
This guide organizes information by goal for educational purposes. It doesn't imply that any specific peptide is safe or right for you — that's for a healthcare professional to determine.
Once you've chosen, the practical part comes next
Whatever your goal, the next step is the same: calculate the dose correctly and keep a record. Our reference protocols page has typical dose and frequency for each peptide, with direct access to the calculator.

