Astro Peptides vs Polaris Peptides
Independent side-by-side comparison across the 2 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 →Polaris Peptides
9 peptides with 97 lab tests. Tirzepatide and PT-141 grade A; Retatrutide drops to D due to wider score variance.
Polaris Peptides full review →Side-by-side breakdown
| PEPTIDE | ASTRO PEPTIDES | POLARIS PEPTIDES | WINNER |
|---|---|---|---|
| Semaglutide |
8.7
B+ (11 tests)
|
6.9
B (16 tests)
|
Astro Peptides |
| Ipamorelin |
8.6
B+ (7 tests)
|
8.0
B+ (5 tests)
|
Astro Peptides |
| GHK-Cu |
—(not sold)
|
8.8
B+ (8 tests)
|
Polaris Peptides only |
| Tirzepatide |
—(not sold)
|
8.8
B+ (15 tests)
|
Polaris Peptides only |
| Retatrutide |
—(not sold)
|
7.3
B (26 tests)
|
Polaris Peptides only |
| BPC-157 |
—(not sold)
|
5.4
C (11 tests)
|
Polaris Peptides only |
Which to choose
Across the 2 peptides both vendors sell, Astro Peptides scores higher on 2, Polaris Peptides scores higher on 0, and 0 are within 0.3 points (effectively tied). Polaris Peptides additionally sells GHK-Cu, Tirzepatide, Retatrutide, BPC-157; Astro Peptides does not.
Choose Astro Peptides for: Semaglutide, Ipamorelin.
Composite scores reflect lab quality, sentiment, COA transparency, reliability, and price. How we score.
Full profiles: Astro Peptides review · Polaris Peptides review