Vendor and compound
Semaglutide from Prime Peptides
Prime Peptides lists Semaglutide at $11.00 per mg, 69% over the $6.50 peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by Vanguard Laboratory, averaging 99.02% purity. The cheapest listed price for Semaglutide anywhere in the index is $4.20 per mg at Bench Grade Peptides.
All Semaglutide vendors · Prime Peptides profile · scores 74.4 of 100, rank 14 · 1 certificate for this compound · verified 28 Sept 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $110 | $11.00 | +69% | Semaglutide |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 2122026SM | 25 Mar 2026 | 99.02% | 5 mg → 5.51 mg | Vanguard Laboratory | Open |
Other vendors selling Semaglutide
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Amino Club | 86.1 | $5.00 | 0 |
| Bench Grade Peptides | 79.4 | $4.20 | 1 |
| Hydro Research Peptides | 78.7 | $5.00 | 2 |
| Simple Peptide | 77.2 | — | 1 |
| Koi Peptides | 75.1 | $7.00 | 0 |
| Ascension Peptides | 74.4 | — | 1 |
| Evo Labs Research | 71.9 | $7.50 | 0 |
| Good Science Bio | 69.2 | $6.50 | 0 |
Ordered by overall evidence score. See every vendor listing Semaglutide.
Questions
Is Semaglutide from Prime Peptides third-party tested?
Yes. 1 certificate for Semaglutide from Prime Peptides is on file, signed by Vanguard Laboratory. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
How much does Semaglutide cost at Prime Peptides?
$11.00 per milligram, from 10 mg at $110. The peer median across every vendor we price for Semaglutide is $6.50 per mg, so this is +69% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Prime Peptides a good place to buy Semaglutide?
Prime Peptides scores 74.4 of 100 on the published rubric and ranks 14 overall, computed from its documentation rather than from opinion. For Semaglutide specifically it has 1 certificate on file. Bench Grade Peptides lists it cheaper at $4.20 per mg.