Astro Peptides vs Great Basin Bio Supply
Independent side-by-side comparison across the 0 peptides both vendors sell. Composite scores, lab quality, and verified pricing.
Astro Peptides
8 peptides with 43 lab tests. Lowest verified $/mg on Semaglutide ($7.90/mg vs $9.40 market median).
Astro Peptides full review →Great Basin Bio Supply
Newer entrant. BPC-157 scores 8.5 across 2 tests (high purity 99.0–99.4%).
Great Basin Bio Supply full review →Side-by-side breakdown
| PEPTIDE | ASTRO PEPTIDES | GREAT BASIN BIO SUPPLY | WINNER |
|---|---|---|---|
| Semaglutide |
8.7
B+ (11 tests)
|
—(not sold)
|
Astro Peptides only |
| Ipamorelin |
8.6
B+ (7 tests)
|
—(not sold)
|
Astro Peptides only |
| BPC-157 |
—(not sold)
|
8.5
A (2 tests)
|
Great Basin Bio Supply only |
Which to choose
Across the 0 peptides both vendors sell, Astro Peptides scores higher on 0, Great Basin Bio Supply scores higher on 0, and 0 are within 0.3 points (effectively tied). Great Basin Bio Supply additionally sells BPC-157; Astro Peptides does not. Astro Peptides additionally sells Semaglutide, Ipamorelin; Great Basin Bio Supply does not.
Composite scores reflect lab quality, sentiment, COA transparency, reliability, and price. How we score.
Full profiles: Astro Peptides review · Great Basin Bio Supply review