Chemyo vs Swiss Chems: Peptide Vendor Comparison 2026
Compare Chemyo and Swiss Chems — mid vs mid pricing, COA-verified/COA-verified testing, 1 shared peptides.
Chemyo
Location: USA
Peptides: 1
COA: ✓ Available
Third-party tested: ✓ Yes
Top peptides:
- • MK-677
Swiss Chems
Location: USA
Peptides: 17
COA: ✓ Available
Third-party tested: ✓ Yes
Top peptides:
- • BPC-157
- • TB-500
- • CJC-1295
- • Ipamorelin
- • PT-141
Comparison Overview
Both Chemyo and Swiss Chems compete in the mid market segment. Chemyo offers with COA availability and is third-party tested, while Swiss Chems is with COA availability and third-party tested. Both offer shipping to multiple regions; Chemyo has a reputation score of 4.5/5 vs Swiss Chems's 4/5. They share 1 common peptide offerings, including MK-677.
Key Metrics
| Metric | Chemyo | Swiss Chems |
|---|---|---|
| Established | 2016 | 2018 |
| Location | USA | USA |
| Price Tier | mid | mid |
| Reputation Score | 4.5/5 | 4/5 |
| COA Available | ✓ Yes | ✓ Yes |
| Third-Party Tested | ✓ Yes | ✓ Yes |
| Shipping Regions | USA, International | USA, International |
| Payment Methods | credit card, crypto, e-check | credit card, crypto, zelle |
| Peptides Offered | 1 | 17 |
Shared Peptides (1)
Both vendors offer these peptides:
Unique to Swiss Chems
- BPC-157
- TB-500
- CJC-1295
- Ipamorelin
- PT-141
- Sermorelin
- GHK-Cu
- AOD-9604
- GHRP-2
- GHRP-6
Chemyo Highlights
Strengths
- Excellent reputation for SARMs quality — considered top-tier
- Rigorous third-party testing with publicly posted lab reports
- 50ml bottles provide more value than industry standard 30ml
Considerations
- Very limited peptide selection — primarily a SARMs vendor
- MK-677 is their only peptide-adjacent compound
Swiss Chems Highlights
Strengths
- Wide product range including SARMs, peptides, and nootropics
- Same-day shipping on orders before noon EST
- Independent test results published on site
Considerations
- Mixed reviews on Reddit - some quality inconsistency reports
- Website domain (.is) raises concerns for some buyers
Which Vendor to Choose?
Chemyo has been in business longer, offering more operational history.
⚠️ Important: This comparison is for informational purposes only. Research peptides responsibly and consult appropriate medical professionals. The Peptide Index does not endorse any vendor.
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