About NAD Nasal Spray
Who we are, how NAD Nasal Spray ranks products, our medical reviewers and how to contact us.
Who we are
NAD Nasal Spray is an independent comparison site. Independent guide to NAD+ nasal sprays - telehealth prescription sprays vs research-grade sprays, prices and evidence.
We list only vendors that publish a third-party certificate of analysis for the batch they sell, check prices and delivery terms against the vendor’s own page every month, and rank products on purity documentation, price per mg and vendor terms. Vendors cannot pay for a position.
Some links on this site are affiliate links: if you buy through them we may earn a commission at no extra cost to you. It never changes the order of a ranking.
🔬 How we rank
Lab-verified COA
Every pick has a batch-matched certificate of analysis we can read.
Potency & accuracy
We check that real potency matches what the label promises.
Clean ingredients
Simple, transparent formulas — no mystery fillers or additives.
Value for money
Scored on real cost per serving, not just sticker price.
👩⚕️ Our medical reviewers
Every guide is reviewed by at least one member of this panel before publication.
Science journalist who fact-checks every claim against primary literature and ensures our guides stay accurate after each update.
Tracks peptide vendor sourcing, cold-chain logistics and batch-matching practices to verify supply-chain integrity.
PhD in molecular pharmacology. Evaluates the published animal and clinical data behind every peptide we cover.
Analytical chemist who audits third-party certificates of analysis for potency, residual solvents and heavy-metal contamination.
☎️ Contact us
1904 Bayview Ave, Belmont, CA 94002, United States