Biohacking Knowledge Base — Research & Field Notes

Evidence-based guides on peptides, longevity protocols, and human optimization. Written from 25 years of personal practice by Samir Levin.

RecoveryBeyond Glucosamine: The Science of Modern Canine Joint Recovery Protocols

Tired of glucosamine and NSAIDs failing your dog? Explore the science behind advanced canine joint recovery protocols and the potential of experimental compo...

September 7, 2026 · 16 min read
LongevityLongevity Biomarkers to Track: A Scientific Framework for Biological Performance

Stop settling for "normal" lab results. This guide details the critical longevity biomarkers to track for true biological performance, not just disease avoid...

September 6, 2026 · 17 min read
LongevityVascular Aging Prevention: The Clinical Checklist for Endothelial Optimization

Your doctor's lipid panel is outdated. Get my clinical checklist for vascular aging prevention to reverse arterial stiffness with peptides like BPC-157.

September 5, 2026 · 16 min read
LongevityVascular Health Biohacking: Preserving the Endothelial Glycocalyx for Longevity

Go beyond standard lipid panels with advanced vascular health biohacking. Learn to repair your endothelial glycocalyx and optimize nitric oxide for longevity.

September 4, 2026 · 17 min read
LongevityCat Longevity Protocols: A Clinical Framework for Feline Biological Optimization (2026)

Stop reactive vet care. Our cat longevity protocols use mTOR inhibition & regenerative peptides to optimize feline healthspan. Data-driven strategies for 2026.

September 3, 2026 · 17 min read
RecoveryEquine Recovery Protocols: A Clinical Framework for Regenerative Healing

Move beyond passive stall rest. Our equine recovery protocols use BPC-157 & TB-500 to drive regenerative healing and restore peak athletic performance.

September 2, 2026 · 17 min read
LongevitySenior Dog Longevity Science: A Clinical Framework for Biological Optimization

Stop accepting canine decline. Our senior dog longevity science uses peptide protocols like BPC-157 to restore mobility. Get the clinical framework now.

September 1, 2026 · 17 min read
LongevityAnimal Longevity and Recovery Protocols: The Clinical Framework for Biological Optimization

Stop managing decline. This framework details how to use research compounds for animal health like BPC-157 to architect peak performance and slash downtime.

August 31, 2026 · 16 min read
LongevityAdvanced Anti-Aging Compound Research: The 2026 Clinical Hierarchy

Cut through the noise with the latest anti-aging compound research. Master the 2026 clinical hierarchy, dosing, and stacks for rapamycin, BPC-157, and more.

August 30, 2026 · 16 min read
PeptidesBest Peptides for Muscle Growth: 2026 Clinical Protocol

Discover the best peptides for muscle growth with my 2026 clinical protocol. Learn to stack GHRH, IGF-1, and BPC-157 for permanent lean muscle accrual.

August 29, 2026 · 17 min read
PeptidesTB-500 Mechanism of Action: The Clinical Blueprint for Cellular Migration and Tissue Repair

Master the TB-500 mechanism of action. This clinical blueprint details actin sequestration, angiogenesis, and precise protocols for optimized tissue repair.

August 28, 2026 · 16 min read
PeptidesBPC-157 Peptide: The Clinical Blueprint for Tissue Regeneration and Systemic Repair

Discover the bpc-157 peptide's role in systemic repair. This clinical blueprint details dosing, stacks, and the mechanisms for elite-level tissue regeneration.

August 27, 2026 · 17 min read
HormonesHormone Health Analysis: The Clinical Blueprint for Biological Optimization

A proper hormone health analysis is key to peak performance. Learn to interpret your labs beyond "normal" ranges and build a data-backed plan for optimization.

August 26, 2026 · 16 min read
PeptidesAI Peptide Protocol Builder: The Clinical Framework for Precision Stacking

Stop guessing. Our AI peptide protocol builder uses a clinical framework and your biomarkers for precision stacking. Learn to optimize recovery and longevity.

August 25, 2026 · 17 min read
ResearchAthlete Bloodwork Markers: The Elite Performance Optimization Checklist

Go beyond "normal" labs. I reveal the critical athlete bloodwork markers for optimizing elite performance, recovery, and biological readiness. Act on data.

August 24, 2026 · 16 min read
HormonesHormone Optimization for Men: Elite Performance Blueprint

Frustrated by 'normal' labs? This guide to hormone optimization for men details my elite protocols for testosterone, BPC-157, and TB-500 for peak performance.

August 23, 2026 · 16 min read
HormonesTestosterone Bloodwork Interpretation: A Clinical Blueprint for Optimization

Master testosterone bloodwork interpretation with this clinical blueprint. Go beyond "normal" ranges to analyze Total T, Free T & SHBG for elite performance.

August 22, 2026 · 16 min read
LongevityNAD+ 500mg Reconstitution Calculator: Precision Math for Longevity Research

Eliminate costly errors in your longevity protocol. Use our nad+ 500mg reconstitution calculator for precise, repeatable dosing and maximum sirtuin activation.

August 21, 2026 · 17 min read
ResearchAI Bloodwork Analyzer: Precision Data for Elite Performance Optimization

Your doctor's 'normal' isn't optimal. Our AI bloodwork analyzer translates raw data into precision protocols for elite performance and true biological mastery.

August 20, 2026 · 16 min read
PeptidesBPC-157 Reconstitution Calculator: Precision Dosing for Regenerative Research

Eliminate dosing errors with our BPC-157 reconstitution calculator. Get precise protocols for mixing, syringe math, and stacking with TB-500.

August 19, 2026 · 16 min read
PeptidesPeptide Reconstitution Math: A Practitioner’s Guide to Precision Dosing

Stop guessing with your research. This guide provides the exact peptide reconstitution math to ensure clinical-grade accuracy and prevent wasting expensive c...

August 18, 2026 · 17 min read
PeptidesPeptide Reconstitution Mistakes: Why Your Protocol Fails Before the First Dose

Your BPC-157 may be useless. Avoid critical peptide reconstitution mistakes with my clinical guide to mixing, dosing, and preserving fragile amino acid chains.

August 17, 2026 · 17 min read
PeptidesPeptide Reconstitution Calculator: Precision Math for Clinical Research

Eliminate dosing errors and waste. Our peptide reconstitution calculator delivers the clinical precision you need to master peptide mixing and ensure protoco...

August 16, 2026 · 16 min read
ProtocolsInsideTracker Alternative: Why Data Without Protocols is Dead Weight in 2026

Looking for an InsideTracker alternative? Stop collecting data and start executing. Learn how to turn biomarkers into actionable protocols for elite performa...

August 15, 2026 · 16 min read
ProtocolsElite Performance Biohacking: Clinical Protocols for the 2026 High-Stakes Athlete

Move beyond baseline training. I'll show you the clinical protocols for elite performance biohacking used by top athletes to optimize recovery and hormonal o...

August 14, 2026 · 17 min read
CognitiveBlood Markers for Cognitive Decline: 2026 Clinical Guide

Master the blood markers for cognitive decline. My 2026 clinical guide teaches you to use p-tau217 & NfL to intercept brain aging before symptoms emerge.

August 13, 2026 · 16 min read
Weight LossMetabolic Health Protocols: A Clinical Framework for Human Optimization

Stop guessing. Get the data-driven metabolic health protocols I use to optimize mitochondrial efficiency, master substrate use, and achieve elite longevity.

August 12, 2026 · 16 min read
LongevityBiohacking for Longevity: 2026 Human Optimization Protocol

Discover the 2026 protocol for biohacking for longevity. This guide uses clinical data, advanced biomarkers, and research compounds to extend your healthspan.

August 11, 2026 · 16 min read
LongevityHuman Biohacking & Longevity Protocols: The Clinical Framework for Biological Optimization

Stop guessing. I'll share my 25-year clinical framework for human biohacking & longevity protocols. Master data-driven optimization with pro-level precision.

August 10, 2026 · 16 min read
LongevityMetformin for Longevity: What the TAME Trial Actually Found

Diabetics on metformin live longer than non-diabetics not on it. This observation launched the first FDA-sanctioned longevity trial. Here's what TAME actually found — including the exercise interference problem that changed how biohackers use it.

July 2, 2026 · 6 min read
CognitiveSemax and Selank: Russia's Cognitive and Anxiolytic Peptides Explained

Semax and Selank are approved pharmaceuticals in Russia — not research chemicals but actual prescription drugs with clinical evidence. They have distinct mechanisms and distinct applications. Here's how they differ and how to use them.

July 2, 2026 · 5 min read
CognitiveMethylene Blue: Mitochondrial Enhancement, Dosing Reality, and the Hormetic Curve

Methylene blue has a hormetic dose-response that most people get completely wrong. The same mechanism that makes it an antioxidant at low dose makes it pro-oxidant at high dose. Less is more — and this is pharmacology, not a cliché.

July 1, 2026 · 6 min read
Hormonal HealthBloodwork for Biohackers: The 14 Markers Most Doctors Don't Order

Most men walking around with suboptimal testosterone have normal total testosterone. Their doctor says everything is fine. They feel terrible anyway. The problem is what's not being measured.

July 1, 2026 · 7 min read
PeptidesPeptide Storage and Reconstitution: The Mistakes That Destroy Your Investment

Most peptide failures have nothing to do with the peptide. They happen in a refrigerator, a reconstitution syringe, or a storage cabinet. The compound is destroyed before it's ever used.

June 30, 2026 · 6 min read
LongevityWhat Happens to Your Body on a 72-Hour Fast: The Complete Timeline

A 16-hour intermittent fast and a 72-hour extended fast are different interventions at the cellular level. Here's the complete physiological cascade — hour by hour — and what each phase actually does.

June 29, 2026 · 7 min read
Recovery & InjuryBPC-157 and TB-500: The Recovery Stack That Actually Works

BPC-157 and TB-500 have complementary mechanisms that produce additive repair signaling. BPC-157 drives local angiogenesis. TB-500 mobilizes stem cells systemically. Together they cover what neither does alone.

June 29, 2026 · 6 min read
Sleep & RecoveryWhy Sleep Peptides Work (And Why Yours Probably Don't): The Fasting Rule

There is a single variable that determines whether sleep peptides produce their documented effects or do nothing at all. This is the variable almost no one mentions — and it explains most of the discrepancy in results.

June 28, 2026 · 6 min read
Hormonal HealthKisspeptin: The Upstream Trigger for Natural Testosterone (Non-Suppressive)

Before GnRH. Before LH. Before testosterone. There is Kisspeptin — the neuropeptide that initiates the entire HPT cascade. Working with this signal is a fundamentally different approach to testosterone optimization.

June 28, 2026 · 5 min read
CognitiveCerebrolysin for Cognitive Enhancement: Clinical Dosing vs. Biohacking Reality

Cerebrolysin is the only neuropeptide preparation with clinical evidence of neurotrophic activity comparable to endogenous NGF. Here's what the clinical data shows and what biohackers should realistically expect.

June 27, 2026 · 5 min read
Metabolic HealthGLP-1 Titration: The Exact Schedule for Semaglutide Without Muscle Loss

In the STEP trials, 40% of weight lost on Semaglutide was lean mass. That's not acceptable. Here's the week-by-week titration schedule and the non-negotiable support stack that prevents it.

June 27, 2026 · 6 min read
Hormonal HealthIs Gynecomastia Reversible Without Surgery? A 10-Year Field Report

The honest answer depends on what type of tissue you're dealing with and how long it's been there. A field report from someone who reversed approximately 80% of AAS-induced gynecomastia of 10+ years without surgery.

June 25, 2026 · 5 min read
CardiovascularNattokinase and Serrapeptase: What the Research Actually Shows About Arterial Plaques

Two enzymes derived from fermented foods have accumulated enough clinical evidence to warrant serious attention from anyone interested in cardiovascular longevity. Here's what the data actually shows — not the marketing version.

June 3, 2026 · 7 min read