NMN research guide: NAD+ precursor mechanism, bioavailability data, sublingual vs oral vs IV routes, dosing protocols, and stack context with sirtuins and longevity compounds.

Research guide to melatonin covering physiological vs pharmacological dosing, extended-release vs immediate-release forms, oncostatic properties, mitochondrial antioxidant role, SIRT1 activation, and combination with Epitalon for longevity research.

Research overview of peptides and compounds studied for skin health — GHK-Cu, collagen peptides, BPC-157, TB-500, hyaluronic acid, Vitamin C's collagen synthesis role, Astaxanthin, and research on topical vs. systemic approaches to dermal repair and anti-aging.

Research overview of Epithalon (Epitalon) — the synthetic tetrapeptide Ala-Glu-Asp-Gly developed by Vladimir Khavinson. Covers telomerase activation mechanism, typical course protocols (10-20mg over 10-20 days), IV vs SubQ vs intranasal administration, cycling schedules, and published research findings.

Comprehensive anti-aging peptide stack design guide covering Epitalon telomere courses, GHK-Cu gene expression remodeling, SS-31 mitochondrial cardiolipin, MOTS-c metabolic aging, and Humanin cytoprotection — with sequencing strategies, budget tiers, and reconstitution for all five compounds.

Comprehensive comparison of DHEA and pregnenolone: steroidogenesis pathways, distinct mechanisms, age-related decline data, research dosing (25-50mg DHEA vs 50-100mg pregnenolone), women's health applications, adrenal context, and lab testing guidance.

Comprehensive resveratrol research guide covering SIRT1 activation, trans vs cis isomers, bioavailability challenges, micronized and liposomal forms, 150-500mg dosing protocols, and the NMN+resveratrol combination rationale from longevity research.

A comprehensive research overview of GHK-Cu (copper peptide) — covering collagen synthesis mechanisms, topical vs subcutaneous administration, reconstitution protocols, and how it compares to other skin peptides.

Research comparison of IV NAD+, NMN, NR, and sublingual routes — covering bioavailability, PARP enzyme substrate, sirtuin activation, mitochondrial biogenesis, IV flush effects, and typical clinical protocols from 500–1500mg.

A research overview of four longevity-focused peptides — Epitalon, MOTS-c, SS-31, and Humanin — covering mechanisms, typical research doses, and how they may complement each other.

Epitalon and Epithalon are the same tetrapeptide. Naming disambiguation, telomerase activation research, dosing protocols, and longevity stack context clarified.

NMN vs NR vs nicotinic acid: bioavailability, dosing ranges, sirtuin research, and how to stack NAD+ precursors with longevity peptides.

Epitalon research overview: telomerase activation mechanism, pineal peptide background, typical research dosing context, and storage notes for this longevity compound.

Research overview of the four most-studied longevity peptides: Epitalon (telomerase), MOTS-c (mitochondrial metabolism), SS-31 (mitochondrial membrane), and Humanin (cytoprotection). Includes dosage tables and reconstitution math.

GHK-Cu research guide covering injectable reconstitution math, topical application context, collagen and angiogenesis mechanism, and syringe unit calculator.