Peptide Therapy Guide 2026: What Actually Works
Peptides are the fastest-growing category in functional medicine — short chains of amino acids that act as signaling molecules. Unlike steroids, most peptides are tissue-specific with far fewer side effects. Here's what the research actually shows.
How Peptides Work
Peptides bind to specific receptors and trigger targeted biological responses — growth hormone release, tissue repair, immune modulation. They're more selective than traditional hormones and generally better tolerated.
Top Peptides for Recovery & Healing
BPC-157 (Body Protection Compound-157)
The most researched healing peptide. Shown to accelerate recovery of ligaments, tendons, muscle, and gut lining in animal studies. Human anecdotal reports are overwhelmingly positive for joint pain and GI issues.
Typical dose: 250-500mcg, 1-2x daily via subcutaneous injection. 4-8 week cycles.
Where to buy: Peptide Sciences — pharmaceutical-grade, third-party tested BPC-157.
TB-500 (Thymosin Beta-4)
Works synergistically with BPC-157 for tissue regeneration. Promotes cell migration, stem cell differentiation, and blood vessel growth. Particularly effective for muscle tears and chronic joint issues.
Typical dose: 2-2.5mg, 2x weekly. Can be used alongside BPC-157.
Top Peptides for Growth Hormone & Longevity
CJC-1295 + Ipamorelin Stack
The most popular GH-boosting peptide combination. CJC-1295 stimulates GHRH (growth hormone releasing hormone); Ipamorelin selectively stimulates the ghrelin receptor to trigger natural GH pulses.
Benefits: Increased lean mass, better sleep quality, improved skin elasticity, faster recovery.
Dosing: CJC-1295 (1-2mg, 2-3x/week) + Ipamorelin (100-200mcg, 2-3x/week) before bed.
Where to buy: Limitless Life Peptides — verified purity GH stack combos.
Hexarelin
A potent GHRP (growth hormone secretagogue) that's slightly stronger than Ipamorelin but may cause temporary cortisol elevation. Best used as a bridge or cycled with Ipamorelin.
Peptides for Fat Loss & Metabolism
AOD-9604
A fragment of human growth hormone (hGH 177-191) specifically designed for fat loss. Works through lipolysis stimulation without impacting blood sugar. One of the few peptides with FDA indication (for obesity).
Typical dose: 250-500mcg, 1-2x daily. 8-12 week cycles.
5-Amino-1MQ
Blocks NNMT (nicotinamide N-methyltransferase), increasing energy expenditure in fat cells. Early research is promising; human data is still emerging.
Important Safety Notes
- Always source from vendors with third-party Certificate of Analysis (CoA)
- Start with the lowest effective dose
- Most peptides are administered via subcutaneous injection (buy a quality insulin pin)
- PCT (post-cycle therapy) is generally not needed for healing peptides
- GH-related peptides may require blood work monitoring every 8-12 weeks