Procurement comparison
Summary Comparison Framework
Use this framework as a quick reference when evaluating NAD+ research peptide suppliers: Quality documentation Lot-specific COA, HPLC purity ≥98%, MS identity, third-party lab No COA, UV-only purity, no identity confirmation Regulatory compliance Research-use-
Review the documented criteria directly; this page does not generate a winner or rating.
- Use this framework as a quick reference when evaluating NAD+ research peptide suppliers:
- Quality documentation
- Lot-specific COA, HPLC purity ≥98%, MS identity, third-party lab
- No COA, UV-only purity, no identity confirmation
- Regulatory compliance
- Research-use-only throughout; no health claims
- Any human use language, health benefit claims
- Shipping
- Cold packs or dry ice, insulated packaging, expedited shipping
- Ambient temperature shipping only
- Pricing
- Within reasonable market range with demonstrated quality
- Dramatically below market without quality justification
- Customer support
- Technical accessibility, responsive, clear QA policy
- Generic responses, slow, vague QA policy