Supplements
This product scores low due to absence of human evidence for claims—only preclinical rat data exists for neuroprotection, while Examine.com confirms direct NAD+ ineffective vs precursors with RCT support for NAD+ elevation. Safety is moderate as no major AEs reported, but FDA warnings on similar unapproved nasal NAD+ and compounding risks (e.g., endotoxin recalls) warrant caution. Quality suffers from zero certifications, vague labeling (500mg/15mL, no per-spray dose), and research-grade status
Avoid Peptual NAD+ Nasal Spray due to lack of human evidence and quality transparency. Consider studied oral NAD+ precursors like NMN/NR with RCT backing. Consult a doctor before use.