MK-677 (Ibutamoren): The Oral Growth Hormone Secretagogue That Changed the Game

The Peptide Index

Published on: 06/02/2026

Complete MK-677 (Ibutamoren) guide covering ghrelin receptor mechanisms, clinical trial evidence, honest safety assessment including insulin sensitivity concerns, dosing protocols, and stacking strategies.

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Hexarelin: The Cardiac Protector Among Growth Hormone Secretagogues

The Peptide Index

Published on: 27/01/2026

Comprehensive guide to Hexarelin, the only GH secretagogue with direct cardiac protection. Covers dual mechanism (GHS-R + CD36), dosing protocols, cycling requirements, stacking strategies, and cardiovascular research evidence.

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CJC-1295/Ipamorelin: Complete Guide to Growth Hormone Optimization

The Peptide Index

Published on: 09/01/2026

A synergistic peptide combination that stimulates natural growth hormone production through complementary mechanisms. This guide covers the science, protocols, timing strategies, and realistic expectations for GH optimization research.

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