Side by side
Fat Blaster vs Semaglutide
Both are discussed for weight loss. What this site records about each, side by side. Every figure is on the compound's own page with the source it came from.
| Fat Blaster | Semaglutide | |
|---|---|---|
| What it is | A marketing name, not a formula. What is in the syringe varies by clinic, and no version of it has been shown to cause weight loss. | A long-acting GLP-1 receptor agonist approved for type 2 diabetes and for weight management, dosed once weekly. |
| EvidenceHow much human evidence exists, not how well it works. | Preclinical | Approved |
| Regulatory statusReviewed 2026-08-18 | Not an approved medicine. Sold as a compounded preparation, which means it is mixed by a pharmacy for a specific patient rather than manufactured and reviewed as a product. The FDA does not review compounded preparations for safety or effectiveness before they are sold. | Approved by the FDA as a prescription medicine for type 2 diabetes and for chronic weight management. Material sold as a research chemical is not the approved product — is not manufactured to the same standard — and is not legal to sell for human use. |
| Routes | Intramuscular | Subcutaneous |
| Half-life | Not recorded | 168 hours |
| Cheapest per mgVials only, read from vendors' own listings and dated on the price index. | Not recorded | $1.50/mg |
| Median per mg | Not recorded | $6.70/mg |
| Vendors with a price | Not recorded | 28 |
| Storage once mixed | Nothing to reconstitute. Compounded preparations carry a beyond-use date rather than a manufacturer's expiry, and it is usually short. | Refrigerated at 2–8 °C. Do not freeze. Discard if the solution is cloudy or has visible particles. |
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.