Vendor review
Sigma Peptides reviews
Sigma Peptides reviews from 3 independent lab tests (Retatrutide): grade A, purity and fill accuracy. Is Sigma Peptides legit? See what its vials showed.
What the lab tests show
3 tests on record, newest first. Scores are purity divided by ten.
| Date | Product | Purity | Quantity | Identity | Certificate |
|---|---|---|---|---|---|
| Mar 3, 2026 | Retatrutide | 99.01 % | 5 mg of 5 mg (0 %) | Pass | View |
| Feb 20, 2026 | Retatrutide | 99.9 % | 4.71 mg of 5 mg (-6 %) | Pass | View |
| Nov 17, 2025 | Retatrutide | 98.84 % | 10 mg of 10 mg (0 %) | Pass | View |
What Sigma Peptides sells
Current listings from the vendor's own store, by peptide.
Cagrilintide
from $10.00/mg| Size | Price | Per mg | Stock | |
|---|---|---|---|---|
| 10 mg | $99.98 | $10.00/mg | In stock | View |
Ipamorelin
from $6.00/mg| Size | Price | Per mg | Stock | |
|---|---|---|---|---|
| 10 mg | $59.98 | $6.00/mg | In stock | View |
Melanotan I
from $4.50/mg| Size | Price | Per mg | Stock | |
|---|---|---|---|---|
| 10 mg | $44.98 | $4.50/mg | In stock | View |
Melanotan II
from $4.50/mg| Size | Price | Per mg | Stock | |
|---|---|---|---|---|
| 10 mg | $44.98 | $4.50/mg | In stock | View |
Retatrutide
from $13.50/mg| Size | Price | Per mg | Stock | |
|---|---|---|---|---|
| 10 mg | $134.98 | $13.50/mg | In stock | View |
About Sigma Peptides
Finnrick has tested 3 samples from Sigma Peptides across 1 products.