Understand the source comparison
Peptide Deals May 2026 Sales Promotions: Category-by-Category Comparison
Growth Hormone Secretagogues (MK 677, Hexarelin) 18–25% HPLC + Mass Spec required 12–18 months at −20°C Long-term metabolic studies with predictable dosing schedules Highest value in May promotions due to stability and consistent synthesis costs Metabolic Rese
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- Growth Hormone Secretagogues (MK 677, Hexarelin)
- 18–25%
- HPLC + Mass Spec required
- 12–18 months at −20°C
- Long-term metabolic studies with predictable dosing schedules
- Highest value in May promotions due to stability and consistent synthesis costs
- Metabolic Research Compounds (Tesofensine, Survodutide)
- 15–22%
- HPLC minimum; Mass Spec for GLP-1 dual agonists
- 9–15 months at −20°C
- Weight loss mechanism research, insulin sensitivity studies
- Strong promotional value if purity exceeds 97.5% and lot certificates provided
- Neuropeptides (Cerebrolysin, Dihexa, P21)
- 12–20%
- HPLC + Mass Spec + Endotoxin testing
- 6–12 months; sensitive to freeze-thaw cycles
- Cognitive function research, neurogenesis studies
- Moderate promotional value. Verify endotoxin levels below 0.5 EU/mg before purchase
- Thymic Peptides (Thymalin, Cartalax)
- 20–28%
- HPLC required; Mass Spec optional
- 15–24 months at −20°C (exceptionally stable)
- Immune function research, longevity studies
- Exceptional value. Thymic peptides synthesize efficiently and store well, making May discounts highly favorable
- Injectable Formulations (CJC1295/Ipamorelin, Lipo C)
- 10–18%
- USP sterility testing + HPLC
- 6–9 months reconstituted; 18 months lyophilized
- Protocols requiring immediate-use formulations
- Lower promotional value unless purchasing lyophilized versions with extended stability