Understand the source comparison
Hexarelin Quality Comparison
Real Peptides U.S. FDA-registered facilities HPLC + MS + NMR on select batches 98.5–99.2% LAL assay, <1 EU/mg ¹H-NMR confirmation $68–$82 Highest reproducibility. Every batch matches clinical reference standards Domestic Contract Labs U.S. or Canada, non-FDA-r
No winner is assigned.
This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.
- Real Peptides
- U.S. FDA-registered facilities
- HPLC + MS + NMR on select batches
- 98.5–99.2%
- LAL assay, <1 EU/mg
- ¹H-NMR confirmation
- $68–$82
- Highest reproducibility. Every batch matches clinical reference standards
- Domestic Contract Labs
- U.S. or Canada, non-FDA-registered
- HPLC only
- 96–98%
- Optional, often skipped
- Not performed
- $45–$65
- Adequate for preliminary work, inconsistent D-isomer retention
- Overseas Direct (China/India)
- Non-GMP facilities
- Self-reported HPLC, no MS
- 92–97% (claimed 98%)
- Rarely performed
- Never verified
- $22–$38
- High risk. Frequent amino acid substitutions and deletion sequences
- Resellers (Repackaged Overseas)
- Unknown origin, rebranded
- COA from original supplier, not retested
- Variable, 88–96%
- No independent verification
- Not disclosed
- $30–$50
- Lowest traceability. No way to verify batch origin or handling