The PeakedLabs Journal
Evidence-based guides on performance optimization, hormone therapy, and peptide protocols — written to help you compare before you commit.
Treatments
24 min
Most testosterone treatments suppress your natural hormonal axis. Clomid stimulates it. Here's how clomiphene citrate works for men with low testosterone, what the evidence shows, and when it's the right choice versus TRT.
Peptides
20 min
Melanotan II activates melanocortin receptors to drive tanning, libido, and appetite suppression simultaneously. It's widely used but unlicensed. Here's what the evidence shows and what the risks actually are.
TRT Education
21 min
Testosterone pellets are rice-grain-sized implants inserted under the skin that deliver steady hormone levels for 3–6 months. Here is what the evidence says about who they work best for.
Peptides
20 min
DSIP is one of the oldest sleep-research peptides, originally isolated in 1974. It modulates delta-wave sleep, blunts cortisol reactivity, and interacts with testosterone and GH axes. Here is what the evidence actually shows — and who it is likely to help.
Peptides
25 min
Epithalon is one of the most-studied longevity peptides in existence — with over four decades of research from the St. Petersburg Institute of Bioregulation. It works by activating telomerase, extending telomere length, and regulating melatonin production. Here's what the evidence actually shows.
Treatments
23 min
HCG mimics LH in men, keeping the testes active when exogenous testosterone shuts the natural hormonal axis down. Whether you're on TRT and want to preserve fertility, or seeking an alternative to TRT that maintains your natural production, HCG is a cornerstone of advanced hormone optimization.
Peptides
16 min
Thymosin Alpha-1 is one of the most clinically validated immune-modulating peptides available. Approved in 37+ countries for chronic hepatitis and cancer immune support, it's now used in longevity medicine to restore T-cell function and combat inflammatory aging.
Hormones
17 min
Kisspeptin is the master regulator sitting above the HPT axis — the signal that triggers GnRH, LH, FSH, and ultimately testosterone production. For men with low testosterone, fertility goals, or interest in preserving testicular function, kisspeptin is the upstream lever most protocols ignore.
Longevity
24 min
NAD+ levels drop nearly 50% by age 60, impairing cellular energy, DNA repair, and sirtuin activity. This guide breaks down the evidence for IV NAD+, NMN, and NR supplementation — and explains who benefits most from each approach.
Peptide Therapy
23 min
TB-500 is a synthetic peptide fragment of Thymosin Beta-4 — a naturally occurring protein critical to tissue repair. This guide breaks down what the research actually shows for muscle, tendon, and soft tissue recovery, and how it compares to BPC-157 for injury healing.
Treatments
22 min
Most testosterone treatments suppress sperm production. Enclomiphene is the exception — it raises testosterone by stimulating your own hormonal axis, leaving fertility intact. Here's what the evidence shows, who's the right candidate, and how to access it.
Peptides
22 min
GHK-Cu is a naturally occurring copper-binding peptide that declines sharply with age — and decades of research show it plays a direct role in collagen synthesis, wound healing, and anti-inflammatory signaling. Here's what the evidence actually shows and how to use it.
Peptide Therapy
23 min
Peptide therapy is one of the fastest-growing segments in longevity medicine — but evidence quality varies wildly by peptide. This guide grades six major anti-aging peptides on actual clinical evidence and explains what the research does and doesn't support.
GLP-1 for Men
19 min
Mounjaro produces significantly more weight loss than Ozempic in head-to-head and parallel trials. But the right choice depends on how much weight you need to lose, your insurance coverage, your side-effect tolerance, and — if you're a man concerned about hormones — which drug better preserves lean mass and testosterone.
TRT Education
28 min
Testosterone replacement therapy (TRT) is one of the most searched — and most misunderstood — topics in men's health. This guide explains everything from diagnosis and delivery methods to real costs and how to choose a clinic in 2026.
TRT Guides
22 min
Most men who say TRT 'didn't work' for them were either under-dosed, mis-timed, or dealing with a solvable optimization problem. This guide covers the most common signs your protocol has a fixable problem, and exactly how to troubleshoot each one.
Peptide Education
27 min
Peptide therapy is one of the fastest-growing areas of men's health — and one of the most confusing. This guide covers every key question a beginner should answer before their first clinic consultation.
Peptide Guides
22 min
Ipamorelin and CJC-1295 work through completely different mechanisms — yet they're almost always prescribed together. This guide explains why, what each one actually does, and when it makes sense to use the combination vs each peptide alone.
Mental Health & TRT
21 min
Low testosterone and depression overlap in ways most men — and many clinicians — underestimate. Testosterone directly modulates serotonin, dopamine, and HPA axis function. When T is low, depressive symptoms often follow. When T is restored, mood frequently improves. Here is the full clinical picture, including what large trials actually show.
Peptide Therapy
21 min
BPC-157 is the recovery peptide most people associate with joints and tendons — but it was originally studied for gut healing. This guide separates what the research actually shows from gut-health marketing hype, and explains what to ask a clinic before pursuing it.
GLP-1 for Men
24 min
Both tirzepatide and semaglutide can suppress testosterone — but the magnitude, mechanism, and reversibility differ. This guide covers what men on TRT or considering hormone therapy actually need to know before choosing a GLP-1 protocol.
TRT Basics
32 min
Testosterone declines 1–2% per year after 30. But decline alone does not equal hypogonadism — symptoms plus lab confirmation are required before TRT is the right call. Here is what the evidence actually shows for men over 40.
Peptide Guides
25 min
Sermorelin stimulates your pituitary to produce its own growth hormone. HGH injections deliver synthetic somatropin directly. The mechanisms, costs, and risks are fundamentally different — and for most men, sermorelin is the more practical and accessible option.
TRT Comparisons
23 min
Most TRT clinic rankings are written by the clinics. This guide gives you the neutral evaluation rubric — five quality variables, seven red flags, and a decision framework — so you can identify the right provider before you commit to one.
The newsletter
Weekly evidence-based updates on protocols, costs, and telehealth provider quality.
Free forever. Unsubscribe anytime. We never sell your email.