Peptide Guides
32 articles with genetic insights and evidence-tiered analysis.
Copper Peptides for Hair Loss: What GHK-Cu Can and Cannot Do
GHK-Cu turns up in almost every scalp serum sold. Here is the actual mechanism, how it compares to minoxidil and finasteride, whether microneedling changes the answer, and what a realistic timeline looks like.
Why Kisspeptin-10 Stops Working After 2 Weeks (And What To Do Instead)
Kisspeptin-10 raised testosterone 45 percent in a 2011 human study. Why twice-daily use erases the effect in 2 weeks, and what the correct pulsed protocol actually looks like.
TB-500 Dosage Guide: Exact Protocol by Injury Type (Not Just a Chart)
How much TB-500 should you inject? Loading phase, maintenance dose by body weight, weekly vs twice-weekly frequency, and 3 injury-specific protocols. Plus the FDA ruling that just changed US access in 2026.
Sermorelin Dosage Chart by Body Weight: The Legal GHRH Peptide With 20 Years of Clinical Data
How much sermorelin should you take? Start with this body-weight dosing chart. IGF-1 titration at 6 weeks, cycling protocol, and why sermorelin replaced CJC-1295 in 2026.
MK-677 Long-Term Results: What 2 Years of Trials Actually Show
How long does MK-677 actually work? A 2-year RCT found IGF-1 elevated for 24 months with no fading of the receptor response. A 2011 trial was stopped early for a cardiac signal most guides skip.
GHRP-2 Dosage Protocol: Why Pharma Abandoned It and What That Means for Your Cycle
GHRP-2 has the deepest human trial record of its class, and Japan uses it to diagnose pituitary disorders. It also provokes cortisol as hard as a clinical stress test, which changes the dosing math completely.
Hexarelin: 9 Things Nobody Tells You About the Strongest GHRP
How potent is hexarelin compared to ipamorelin? The strongest GHRP ever tested peaks in 7 days, works through a second heart receptor, and has no FDA compounding pathway in 2026.
Cortagen Peptide Benefits: 7 Things Every Article Gets Wrong
What is Cortagen? Most articles call it a thymus peptide. That is wrong. It is aimed at the outer layer of the brain, and the real data is about nerve repair, not immune aging.
Pinealon Peptide: Benefits, Dosage, and What 30 Years of Russian Research Actually Shows
What does Pinealon actually do? The Russian tripeptide has 30 years of neuroprotection data. Dosage guide, melatonin connection, and circadian genes explained.
Thymulin: The Immune Peptide Your Thymus Stops Making at 60 (And What Happens Next)
Thymulin drops to zero in most people after 60. It drives T-cell production from birth. Here is what losing it means for immune aging and what zinc has to do with it.
Semax Dosage Chart: 0.1% vs 1% Concentration, mcg Per Spray, and Cycling Protocol
How much Semax should you take? The 0.1% vs 1% difference is a 10x error that breaks most protocols. Dosage chart, mcg per spray, cycling guide, and what Russian trials dosed.
Why Retatrutide Outperforms Ozempic and Mounjaro in Weight Loss (And Why It Isn't Approved Yet)
Retatrutide weight loss results hit 28% of body weight in Phase 3 trials. How the triple agonist mechanism works, how it compares to semaglutide and tirzepatide, and why your GLP-1 gene changes the math.
Dihexa Dosage and Effects: What the Research Actually Shows
Dihexa is 10 million times more potent than BDNF at building new synapses in a dish. No human trial has been completed. Here is what the animal research shows and what your genetics change.
PT-141 for Libido: Dosage, Side Effects, and Why It Works When Viagra Doesn't
PT-141 (bremelanotide) targets desire in the brain, not blood flow. Dosage, side effects, the 2026 compounding update, and why your DNA changes the response.
GLP-2 Gut Healing: The Forgotten GLP Peptide That Actually Repairs Your Gut Lining
GLP-2 heals your gut lining directly, something GLP-1 cannot do. Here is what the trials on the approved version show, and which gut inflammation variants relate to it.
Thymosin Alpha-1 Dosage and Benefits: What 11,000 Human Subjects Actually Showed
Thymosin Alpha-1: tested in 11,000 humans, approved in 35 countries, used in COVID-19 hospitals. A 2025 Phase 3 trial clarified what it actually does and who it helps.
SS-31 (Elamipretide) Failed Its Biggest Trial. Then Got FDA Approval. Here's Why.
SS-31 failed a 218-patient randomized trial in 2023, then got FDA approval in 2025. What the research actually shows, who responds, and what your mtDNA haplogroup predicts.
GHK-Cu Before and After: What Results Actually Look Like at 4, 8, and 12 Weeks
The most-quoted GHK-Cu result, 55.8% wrinkle reduction in 8 weeks, comes from a small trial using a nano-carrier formulation. Here is the honest week-by-week timeline, plus where collagen variants fit.
Best Peptides for Muscle Recovery and Injury Repair: 7 Options Ranked by Evidence in 2026
Which peptides actually speed muscle recovery? The one with the most human RCT data costs $15 a month. Here are 7 ranked by evidence, not marketing hype.
Best Peptides for Gut Health in 2026: KPV, GLP-2, and the One That Actually Has Human Data
Which peptide suits which gut problem, in plain language. What each one actually does, whether to swallow it or inject it, how long before anything changes, and when to see a doctor instead.
Best Peptides for Brain Fog and Focus: Semax, BPC-157, and Why Dihexa Doesn't Work
Which peptides clear brain fog? Semax raises the growth factor your neurons use to build connections. BPC-157 targets gut inflammation. The most-hyped option had its founding science retracted in 2025.
Best Peptides for Anxiety in 2026: Selank, Semax, and Why One of Them Backfires
Which peptides work best for anxiety? Selank and Semax target the same problem with opposite tools. How fast your brain clears dopamine is one input into which one helps and which one leaves you more wired.
Best Peptides for Sleep: DSIP vs Epithalon vs Ipamorelin (Which One Matches Your Biology)
Which peptides work best for sleep in 2026? DSIP, Epithalon, and ipamorelin each target a different sleep problem, and picking the wrong one for your problem is why most people feel nothing.
AOD-9604 fat loss: the trials nobody ever published
AOD-9604 went through more human testing than most research peptides, failed its pivotal trial, and never published any of it. Here is what the record actually supports and where the genetics fit.
MOTS-c: The Mitochondrial Peptide Your Cells Lose With Age
Your mitochondria produce MOTS-c as a metabolic hormone. Levels fall with age and collapse in diabetes. One inherited variant breaks the peptide outright, and exercise routes around it.
Epithalon and Telomere Length: What the Research Shows
Epithalon broke the Hayflick limit in cultured human cells and cut cardiovascular mortality by 50% across a 12-year trial. Here is what 30 years of Russian data actually shows.
Selank for Anxiety: What 40% of Patients Felt in 3 Days
Selank matched medazepam in trials: 40% of patients hit sub-clinical anxiety in 3 days, with no withdrawal. BDNF and GABRA2 variants relate to the pathways involved.
GHK-Cu Benefits: What the Science Says About the Copper Peptide Everyone's Talking About
GHK-Cu is in every second skincare serum right now. Here's what this copper peptide actually does, what it doesn't, and where the evidence in humans stops.
Best Peptides for Skin: Anti-Aging, Collagen & What Your DNA Says (2026)
GHK-Cu, BPC-157, collagen peptides, Epithalon, Matrixyl — the skincare peptide market is exploding. Here's what actually works, what's marketing, and how COL1A1 and SOD2 variants relate to skin structure.
Best Peptides for Healing & Recovery: Ranked by Evidence (2026)
BPC-157, TB-500, GHK-Cu, KPV, Thymosin Alpha-1 — healing peptides cover everything from torn tendons to gut lining repair. Here's what the evidence actually supports, and how your NOS3, MMP3, and COL1A1 gene variants predict which one works best for your biology.
How BPC-157 Works in the Body: The Complete Mechanism Guide
BPC-157 is one of the most-researched healing peptides in the biohacking world. Here is exactly how it works, from nitric oxide signaling to tendon repair, and why your genetics are associated with how well it works for you.
How GHK-Cu Works: The Copper Peptide That Resets Your Skin's Gene Expression
GHK-Cu is the most scientifically validated anti-aging peptide in existence — 50 years of research, 4,048 genes modulated, and a direct SIRT1 binding mechanism discovered in 2025. Here's how it works and how TGFB1 and COL1A1 variants relate to the collagen pathway.