VENDOR COMPARISON

Astro Peptides vs Zhejiang Yichenkang

Independent side-by-side comparison across the 0 peptides both vendors sell. Composite scores, lab quality, and verified pricing.

Astro Peptides

Research
B
Score
6.7
Peptides
8
Tests
43

8 peptides with 43 lab tests. Lowest verified $/mg on Semaglutide ($7.90/mg vs $9.40 market median).

Astro Peptides full review →

Zhejiang Yichenkang

Manufacturer
B
Score
6.6
Peptides
4
Tests
18
Zhejiang Yichenkang full review →

Side-by-side breakdown

PEPTIDE ASTRO PEPTIDES ZHEJIANG YICHENKANG WINNER
Semaglutide
8.7 B+ (11 tests)
(not sold)
Astro Peptides only
Ipamorelin
8.6 B+ (7 tests)
(not sold)
Astro Peptides only
Tirzepatide
(not sold)
8.2 B+ (8 tests)
Zhejiang Yichenkang only

Which to choose

Across the 0 peptides both vendors sell, Astro Peptides scores higher on 0, Zhejiang Yichenkang scores higher on 0, and 0 are within 0.3 points (effectively tied). Zhejiang Yichenkang additionally sells Tirzepatide; Astro Peptides does not. Astro Peptides additionally sells Semaglutide, Ipamorelin; Zhejiang Yichenkang does not.

Composite scores reflect lab quality, sentiment, COA transparency, reliability, and price. How we score.

Full profiles: Astro Peptides review · Zhejiang Yichenkang review