Astro Peptides vs Paradigm Peptide
Independent side-by-side comparison across the 1 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 →Paradigm Peptide
Top Retatrutide vendor by score (9.0 across 14 tests). Strong on metabolic peptides.
Paradigm Peptide full review →Side-by-side breakdown
| PEPTIDE | ASTRO PEPTIDES | PARADIGM PEPTIDE | WINNER |
|---|---|---|---|
| Semaglutide |
8.7
B+ (11 tests)
|
—(not sold)
|
Astro Peptides only |
| Ipamorelin |
8.6
B+ (7 tests)
|
9.0
A (6 tests)
|
Paradigm Peptide |
| Tirzepatide |
—(not sold)
|
8.4
B+ (14 tests)
|
Paradigm Peptide only |
| Retatrutide |
—(not sold)
|
7.0
B (14 tests)
|
Paradigm Peptide only |
Which to choose
Across the 1 peptides both vendors sell, Astro Peptides scores higher on 0, Paradigm Peptide scores higher on 1, and 0 are within 0.3 points (effectively tied). Paradigm Peptide additionally sells Tirzepatide, Retatrutide; Astro Peptides does not. Astro Peptides additionally sells Semaglutide; Paradigm Peptide does not.
Choose Paradigm Peptide for: Ipamorelin.
Composite scores reflect lab quality, sentiment, COA transparency, reliability, and price. How we score.
Full profiles: Astro Peptides review · Paradigm Peptide review