Receptor Chem vs Sports Technology Labs: Peptide Vendor Comparison 2026
Compare Receptor Chem and Sports Technology Labs — mid vs mid pricing, COA-verified/COA-verified testing, 0 shared peptides.
Receptor Chem
Location: UK
Peptides: 1
COA: ✓ Available
Third-party tested: ✓ Yes
Top peptides:
- • MK-677
Sports Technology Labs
Location: USA
Peptides: 15
COA: ✓ Available
Third-party tested: ✓ Yes
Top peptides:
- • BPC-157
- • TB-500
- • Ipamorelin
- • Sermorelin
- • CJC-1295
Comparison Overview
Both Receptor Chem and Sports Technology Labs compete in the mid market segment. Receptor Chem offers with COA availability and is third-party tested, while Sports Technology Labs is with COA availability and third-party tested. Both offer shipping to multiple regions; Receptor Chem has a reputation score of 4.3/5 vs Sports Technology Labs's 4.2/5.
Key Metrics
| Metric | Receptor Chem | Sports Technology Labs |
|---|---|---|
| Established | 2018 | 2019 |
| Location | UK | USA |
| Price Tier | mid | mid |
| Reputation Score | 4.3/5 | 4.2/5 |
| COA Available | ✓ Yes | ✓ Yes |
| Third-Party Tested | ✓ Yes | ✓ Yes |
| Shipping Regions | UK, Europe, International | USA, International |
| Payment Methods | credit card, bank transfer, crypto | credit card, crypto, e-check |
| Peptides Offered | 1 | 15 |
Unique to Receptor Chem
- MK-677
Unique to Sports Technology Labs
- BPC-157
- TB-500
- Ipamorelin
- Sermorelin
- CJC-1295
- GHK-Cu
- PT-141
- GHRP-2
- GHRP-6
- AOD-9604
Receptor Chem Highlights
Strengths
- Highly respected UK-based vendor with excellent quality reputation
- Comprehensive testing — Mass Spec, HPLC, FTIR, NMR
- 99%+ purity on all products
Considerations
- Primarily a SARMs vendor — very limited peptide selection
- Only MK-677 as a peptide-adjacent compound
Sports Technology Labs Highlights
Strengths
- Strong reputation for quality in the SARMs/peptides community
- All products bottled in the USA
- Third-party tested via HPLC in accredited US laboratory (minimum 98% purity)
Considerations
- Relatively newer vendor compared to some established names
- Peptide catalog is still growing
Which Vendor to Choose?
Receptor Chem 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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