Side by side
GHRP-2 vs HGH (Somatropin)
Both are discussed for muscle & performance and anti-aging & longevity. What this site records about each, side by side. Every figure is on the compound's own page with the source it came from.
| GHRP-2 | HGH (Somatropin) | |
|---|---|---|
| What it is | A growth hormone releasing peptide approved in Japan as a diagnostic agent. It triggers a pulse of your own growth hormone rather than supplying any. | An approved medicine for people with a growth hormone deficiency. Used without that diagnosis it is a controlled substance in the United States, and the anti-ageing claims it is sold on were retracted by their own author. |
| EvidenceHow much human evidence exists, not how well it works. | Approved for another indication | Approved |
| Regulatory statusReviewed 2026-08-16 | Approved in Japan as pralmorelin, a single-dose diagnostic agent for growth hormone deficiency. Not approved anywhere for repeated use to raise growth hormone, and not approved in the United States for any indication. Material sold as a research chemical is not the approved product. | Approved by the FDA and EMA as a prescription medicine, and a Schedule III controlled substance in the United States. Federal law makes distribution for anything other than an approved indication a criminal offence. Unusual, and specific to this drug. |
| Routes | Subcutaneous | Subcutaneous |
| Half-life | 0.5 hours | 3 hours |
| Cheapest per mgVials only, read from vendors' own listings and dated on the price index. | $1.20/mg | $7.50/mg |
| Median per mg | $3.70/mg | $8.15/mg |
| Vendors with a price | 16 | 2 |
| Storage once mixed | Refrigerated at 2–8 °C. Do not freeze once mixed. | Refrigerated at 2–8 °C, used within the period the manufacturer states, typically 14 to 28 days depending on the product. |
Compare two other compounds · The full price index
This page is educational. It describes what published research reports, not what you should do. Peptides discussed here are largely not approved for human use, and nothing on BioAlmanac is medical advice. Nothing here ranks these two against each other. A table can show that one has more human evidence behind it or costs less per milligram; neither of those is a recommendation, and the right comparison for any person is one their doctor makes with them.