Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Head-to-head comparison of Epitalon and NAD+ — mechanism, side effects, legal status, and pricing.
Epitalon (also Epithalon, AEDG) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed by Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology as a synthetic analog of the bovine pineal extract Epithalamin. It is a research-only bioregulator — not FDA-approved and not included in any major Western clinical guideline.
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme present in all living cells, not a peptide. It is classified here alongside peptides for user convenience in the anti-aging / metabolic category. NAD+ plays a central role in cellular energy metabolism and redox reactions and is studied for its involvement in mitochondrial function, DNA-damage signaling via sirtuins and PARPs, and age-associated metabolic decline. IV NAD+ is not FDA-approved for any clinical indication; it is administered off-label through compounding pharmacies and functional-medicine clinics with limited rigorous outcome data.
Epitalon
NAD+
Category
Legal Status
Mechanism
Half-life
Side Effects
COA-verified vendors · trust score ≥70 required · single-vial price — bulk/bundle deals may be lower
Epitalon
NAD+
COA corpus from Disclosed Labs — independently tested batches only.
Epitalon
87
COAs
99.3%
Avg purity
14
Labs
NAD+
146
COAs
99.4%
Avg purity
15
Labs
The evidence base is dominated by the Khavinson group. A 2003 paper in Bulletin of Experimental Biology and Medicine (Khavinson, Bondarev, Butyugov; PMID 12937682) reported telomerase activation and telomere elongation in cultured human fetal fibroblasts. Additional Khavinson-group papers and reviews (e.g. 'Peptides and Ageing,' PMID 12374906) describe melatonin-rhythm normalization and claimed geroprotective effects in elderly Russian patients treated with epithalamin or epitalon in open-label / small-cohort studies over 6–12 year follow-up. These clinical studies have significant methodological limitations (open-label design, single-center, limited controls) and have NOT been independently replicated in rigorous Western controlled trials. There are no Phase 2/3 trials, no FDA approval, and no inclusion in Western clinical guidelines. Grey-market dosing of 5–10 mg SubQ daily for 10–20 day cycles, 1–2 times per year, is not clinically validated for any endpoint.
Key references
The strongest human evidence for raising circulating NAD+ comes from oral-precursor trials. A randomized, double-blind, placebo-controlled study of nicotinamide riboside combined with pterostilbene (NRPT) showed sustained dose-dependent increases in whole-blood NAD+ over 8 weeks in healthy adults (Dellinger et al., npj Aging and Mechanisms of Disease, 2017). A Yoshino/Baur/Imai review summarizes the biology and emerging therapeutic potential of NR and NMN, including preclinical healthspan data in aged mice (Cell Metabolism, 2018). Direct IV NAD+ has only small pilot pharmacokinetic data: Grant et al. infused 750 mg over 6 hours in 8 healthy men and documented altered plasma and urine NAD+ metabolome without clinical-outcome endpoints (Frontiers in Aging Neuroscience, 2019). No adequately powered RCTs support IV or SubQ NAD+ for anti-aging, cognition, addiction, or Parkinson's disease; clinic marketing claims outrun the published outcome evidence.
Epitalon (Cosmetic) and NAD+ (Metabolic) are in different categories and target different biological pathways. This is a common pattern in multi-compound research protocols. Researchers should monitor the biomarkers from both profiles and watch for interactions listed in each compound’s contraindications. Consult a licensed healthcare provider before combining any research compounds.
This platform provides informational tools only, not medical advice. This comparison is for educational purposes only. Consult a licensed provider.
Contraindications
Lab Testing
Key references