Longevity Peptides

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.

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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.

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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.

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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.

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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.

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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.

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