Retatrutide: A Different Approach to Metabolic Health

Retatrutide: A Different Approach to Metabolic Health

The Peptide Index
Published on: 12/02/2026

Beginner-friendly guide to Retatrutide for metabolic optimization and longevity. Simple explanations, easy analogies, and a personal low-dose research protocol focused on sustainable health rather than aggressive weight loss.

Longevity Peptides
SLU-PP-332: The Exercise Mimetic That Programs Your Cells to Burn Fat and Build Endurance

SLU-PP-332: The Exercise Mimetic That Programs Your Cells to Burn Fat and Build Endurance

The Peptide Index
Published on: 05/02/2026

Complete guide to SLU-PP-332, the ERR agonist exercise mimetic. Covers mitochondrial biogenesis mechanisms, 2025 research evidence, practical dosing protocols, the critical overspin concept, and 5 advanced stacking strategies.

Longevity Peptides
Injectable L-Carnitine: The Metabolic Shuttle Your Mitochondria Are Starving For

Injectable L-Carnitine: The Metabolic Shuttle Your Mitochondria Are Starving For

The Peptide Index
Published on: 04/02/2026

Complete guide to injectable L-Carnitine covering the carnitine shuttle, androgen receptor upregulation, TMAO avoidance, clinical dosing tiers from cardiac health to body recomposition, and advanced stacking strategies.

Longevity Peptides
LL-37: The Human Antimicrobial Defense Peptide

LL-37: The Human Antimicrobial Defense Peptide

The Peptide Index
Published on: 31/01/2026

Comprehensive guide to LL-37, the only human cathelicidin antimicrobial peptide. Covers membrane disruption mechanisms, biofilm destruction, wound healing promotion, immune modulation, and practical protocols for infection defense and chronic wound support.

Longevity Peptides
5-Amino-1MQ: The Complete Guide to the NAD+ Thief Stopper

5-Amino-1MQ: The Complete Guide to the NAD+ Thief Stopper

The Peptide Index
Published on: 24/01/2026

Complete guide to 5-Amino-1MQ, the NNMT inhibitor that preserves NAD+ to boost metabolism, accelerate fat loss, and enhance cellular energy. Covers mechanisms, dosing protocols, stacking strategies, and realistic expectations.

Longevity Peptides
Pinealon: Complete Guide to the Circadian Reset Peptide

Pinealon: Complete Guide to the Circadian Reset Peptide

The Peptide Index
Published on: 23/01/2026

Complete guide to Pinealon, the bioregulator peptide that restores pineal gland function and circadian rhythms. Covers mechanisms, research evidence, protocols, stacking strategies with DSIP and Epitalon, and realistic expectations.

Longevity Peptides