Comprehensive research comparison of all NAD+ precursor pathways — NMN, NR, sublingual NMN, IV NAD+, and niacin — covering biosynthesis routes (Preiss-Handler, salvage, de novo pathways), bioavailability research, tissue distribution, and cost-per-dose analysis.

Research comparison of the three mitochondrial-derived peptides — MOTS-c (AMPK activation), SS-31 (cardiolipin binding), and Humanin (cytoprotection/IGF-1) — with dosing protocols, combination rationale, and longevity vs performance applications.

Research overview of taurine — the conditionally essential amino acid that declines with age, with mitochondrial membrane function research, 2023 longevity aging study data, cardiovascular benefits, exercise performance, and 1-3g dosing protocols.

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.

Research overview of hyperbaric oxygen therapy (HBOT) — 100% O2 at >1 ATA — covering hyperoxia-induced angiogenesis, stem cell mobilization, wound healing protocols, traumatic brain injury research, and BPC-157 synergy for tissue repair.

Research overview of astaxanthin — the marine xanthophyll carotenoid with exceptional antioxidant properties, mitochondrial membrane positioning, endurance performance research, skin UV protection, and anti-inflammatory data, comparing krill vs synthetic forms.

Research guide to SS-31 (Elamipretide) — the Szeto-Schiller mitochondria-targeting peptide that stabilizes cardiolipin in the inner mitochondrial membrane, with Phase 2/3 heart failure trial data, dosing, and longevity applications.

In-depth research guide to MOTS-c — the 12-amino-acid mitochondrial-derived peptide, AMPK activation, insulin sensitivity research, exercise mimetic properties, 5–10 mg weekly dosing, reconstitution math, and storage.