Project Theo — Research Library
Most researchers are asking the right question. They are getting the wrong answer because they are looking in the wrong place.
112 research articles organized by where you are stuck. 78 pair a written deep dive with the video that goes with it. Each one covers one decision, one mechanism, or one pattern the data keeps surfacing. Start with the section that matches your situation, or search for a compound by name. Articles tagged Video have a companion YouTube video.
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Peptide Protocol for Beginners: What to Run First and What to Wait OnThe order most first protocols should follow and why.
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VideoWhy Peptides Underperform: The Infrastructure Problem Most Researchers MissSleep, protein, and recovery decide results before the compound does.
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VideoThe Right Peptide for Each Fat Loss PhaseWhich class fits which phase, and why early and late look different.
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VideoPeptide Reconstitution Math: mg, mL, and Units ExplainedWhy the unit count alone can mislead you on your dose.
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What to Stack with a GLP-1The additions that fit a GLP-1 protocol and the ones that compete with it.
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Best Peptide Stack for Weight LossWhat the data supports when more than one compound is in play.
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Peptide Protocol Builder: How the Tool Works and What It CoversA walkthrough of the free builder and what it checks for.
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VideoWhy You Can't Lose Weight: The 3 Blood Markers That Stall Fat LossBlood Series Part 1. Thyroid, insulin, and cortisol markers.
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VideoWhy You Can't Build Muscle: The 5 Blood Markers That Decide If You GrowBlood Series Part 2. The markers that gate muscle growth.
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VideoLow Libido on TRT: The 3 Blood Markers That Kill Sex Drive When Testosterone Looks NormalBlood Series Part 3. Why total testosterone can look fine and still fail.
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VideoThe 8 Hormones Every Man Over 40 Should TestWhat to ask for and what each marker is telling you.
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VideoRetatrutide Explained: GLP-1, GIP, Glucagon Made SimpleThe three receptor story in plain language.
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VideoHow Long Does Retatrutide Take to Work? The Half-Life Math Nobody ExplainsWhy week six is the earliest reliable read.
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VideoIs 4mg of Retatrutide Enough? The Glucagon Receptor Threshold ExplainedReceptor activation as a dimmer, not a switch.
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VideoRetatrutide Not Working? Why Frequency Changes What You Are Actually RunningSame weekly total, different exposure curve.
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VideoRetatrutide Weekly Dosing SpikesWhat a once weekly peak does that a split dose does not.
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VideoRetatrutide Weekly vs Daily: What Changes When You Split the DoseSplitting the weekly dose and what it changes.
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VideoWhy Higher Doses Fail on a GLP-1Receptor saturation and why more is often the wrong move.
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VideoGLP-1 Receptor Numbers Explained: Why Semaglutide, Tirzepatide, and Retatrutide Feel So DifferentThe receptor affinity numbers behind the side effect differences.
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VideoRetatrutide TRIUMPH-1 Trial Results: What 28% Weight Loss Does Not Tell YouWhat the headline number leaves out.
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VideoRetatrutide Week 8 Plateau: Why the Scale Slows (And What to Track Instead)The week eight pattern and the numbers that still move.
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VideoRetatrutide Stopped Working: The 4 Stall Patterns to Check FirstFour patterns to rule out before changing anything.
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VideoGaining Weight on Retatrutide While It Is Clearly WorkingWhy the scale can climb while fat is still dropping.
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VideoRetatrutide and Cortisol: Why Fat Loss StallsHow stress hormone output can mask a working protocol.
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VideoStill Hungry on a GLP-1? Food Noise vs Physical Hunger ExplainedTwo different signals that get read as one.
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Tirzepatide Weight Loss StalledWhat usually changed when tirzepatide flatlines.
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Not Losing Weight on Semaglutide: Should You Switch?When switching helps and when it only resets the clock.
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VideoRetatrutide Side Effects: What the Research Actually ShowsThe full side effect picture and the one that means stop.
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VideoWhy Retatrutide Makes You Tired and How to Fix ItThe energy deficit behind the fatigue.
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Does Semaglutide Make You Tired?The same fatigue pattern on an older GLP-1.
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VideoCan't Sleep on Retatrutide? Why the Insomnia Is the Compound WorkingGlucagon activity and why sleep gets lighter.
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VideoWhy Does Retatrutide Increase Heart Rate?How many BPM is expected and when it is not.
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VideoCan GLP-1 Compounds Cause Sudden Vision Loss? What Retatrutide and Tirzepatide Actually Do to Your EyesThe NAION reports and what the data does and does not show.
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VideoRetatrutide and Alcohol Cravings: Why Some Researchers Stop DrinkingThe reward pathway explanation.
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VideoDoes Retatrutide Stop You From Building Muscle?What a calorie deficit does to muscle on a GLP-1.
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VideoStopping Retatrutide: Why Most People Regain the Weight and How to Keep It OffThe defended set point and the maintenance window.
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Retatrutide Cycle Off: What Happens When You StopWhat the body does in the weeks after the last dose.
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What Happens When You Stop TesamorelinHow GH output returns to baseline after discontinuation.
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VideoWhat Happens to Your Pituitary When You Stop HGHHow your own GH output responds after exogenous HGH.
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VideoRetatrutide vs Tirzepatide: Why the Debate Is Framed WrongThe head term comparison.
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VideoSame Milligrams, Different Dose: Retatrutide vs Tirzepatide and Running Them TogetherWhy 4mg of one is not 4mg of the other.
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VideoRetatrutide vs SemaglutideOne receptor versus three.
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VideoRetatrutide vs TesofensineGut hormone signaling versus a brain reuptake inhibitor.
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VideoRetatrutide vs SLU-PP-332Intake side versus output side.
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VideoRetatrutide vs Cardarine: Stack, Mechanism, and When It Makes SenseTwo different bottlenecks.
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VideoCagrilintide vs Retatrutide: They Target Different BottlenecksAmylin signaling versus the three receptor approach.
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VideoCagrilintide and Retatrutide: Why Most Researchers Are Asking the Wrong QuestionWhich one fits, not which one is better.
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VideoAnavar vs Retatrutide: Why Only One of Them Actually Burns FatWhy an anabolic is not a fat loss compound.
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VideoDo Any Fat Burners Actually Work? The Only Two Compounds That Actually Burn FatWhat survives when you look at mechanism instead of marketing.
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VideoTesamorelin vs Retatrutide: Which One Fits Your SituationGrowth hormone output versus appetite and fat signaling.
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VideoRetatrutide vs CagriSema: Which One Fits Your Fat Loss BottleneckHunger control versus metabolic output.
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VideoCan You Stack Tirzepatide and Retatrutide?Receptor overlap and why the answer is usually no.
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VideoRetatrutide and MOTS-C: When the Stack Makes SenseThe energy side addition and when it fits.
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VideoRetatrutide and Tesamorelin: When the Stack Makes SenseSequencing a GH peptide next to a GLP-1.
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VideoRetatrutide and Tesamorelin: Why Sequencing Matters More Than StackingWhy the order matters more than running them together.
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VideoWhy You Gained Weight on Tesamorelin and RetatrutideThe timing conflict that reverses the result.
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Peptides That Should Not Be Stacked TogetherThe combinations that cancel or compete.
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Can You Stack Tesamorelin and Sermorelin?Two GHRH analogs and why that is redundant.
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VideoStacking TRT, Retatrutide, and HGH: The Only Three Compounds Men Over 40 NeedThe three compound framework.
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VideoGH Peptides Explained: GHRH vs GHRP and Why You Stack ThemThe two signals behind every GH peptide stack.
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VideoCJC-1295 and Ipamorelin: Why the Stack WorksGHRH plus GHRP and why they pair.
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VideoCJC-1295 and Ipamorelin: Not What You ThinkThe common misread of what the stack produces.
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VideoCJC-1295 and Ipamorelin for Sleep: Does It Actually Help?The sleep claim against the pulse data.
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VideoTesamorelin and Ipamorelin: The Real GH Stack ExplainedWhy this pairing often outperforms the CJC version.
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VideoCJC-1295 and Ipamorelin vs Tesamorelin and IpamorelinThe two stacks side by side.
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VideoTesamorelin vs CJC-1295 vs IGF-1 LR3: What Each Compound Actually DoesThree different points in the same chain.
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Sermorelin vs Tesamorelin: Which One Actually MattersWhy the older analog usually loses.
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VideoWhy CJC-1295 and Tesamorelin Are Not Burning Your Belly FatPulse height and why the visceral fat claim needs a condition.
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VideoDo Tesamorelin and CJC-1295 Stop Working After 40? What Actually ChangesThe somatopause angle.
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Tesamorelin Before and After: What to Actually ExpectRealistic timelines from the trial data.
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VideoTesamorelin Side Effects: What the Research Actually ShowsWhat the clinical data reports.
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VideoNight vs Day GH Peptide TimingWhy timing around sleep and food changes the pulse.
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VideoDoes Tesamorelin Need to Be Refrigerated?Storage and stability.
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VideoBurn Fat, Build Muscle: The One Variable Most Researchers Never Look AtHGH versus a releasing peptide and the pulse variable.
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VideoHGH and Insulin: How Growth Hormone Raises Blood Sugar and Why It Causes Insulin ResistanceThe blood sugar mechanism.
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VideoHGH and Insulin: What Decides Whether You Burn Fat or BuildThe same two hormones from the body composition side.
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VideoDo You Have to Take HGH Fasted on Retatrutide? What Insulin Actually DecidesTiming around insulin when a GLP-1 is active.
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VideoHGH vs IGF-1 LR3 for Muscle: Why They Work at Different Points in the Same ChainUpstream versus downstream.
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VideoIGF-1 LR3 Explained: What It Actually Does to Muscle TissueThe long acting IGF-1 analog on its own.
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VideoDoes HGH Grow Organs? What Growth Hormone Actually Does to the BodyThe organ growth claim against the data.
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VideoWhich Is Better: HGH or Growth Hormone Peptides? Every Compound RatedEvery GH compound rated in its own category.
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VideoHGH vs Tesamorelin: Replacement or OptimizationReplacing GH versus nudging your own output.
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VideoDoes HGH Always Win? HGH vs Growth Hormone PeptidesWhere exogenous HGH beats the peptides and where it does not.
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VideoLow Testosterone After 40 Is Only Half the StoryWhy IGF-1 is the other half of the picture.
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VideoTRT and HGH Together: How to Run the Stack and Aim ItThe two compound version of the stack.
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Tesamorelin and TRT: Do They Work Together?Two different axes and whether they interfere.
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VideoRetatrutide and Testosterone: Why the Deficit Is the ProblemWhy the drop is usually the calorie gap, not the compound.
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Gonadorelin vs HCG: What Each One Does for Men on TRTThe head to head comparison.
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HCG for Men on TRT: What It Does and How It Compares to GonadorelinThe HCG deep dive.
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VideoMOTS-C vs SS-31: Which One Fits Your Pattern?Signaling versus membrane repair.
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VideoMOTS-C and SS-31: Why Stacking Them Usually BackfiresWhy the two compete more than they add.
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VideoMOTS-C, Berberine, GLP-1: The Energy ProblemThe energy deficit under a GLP-1 and what addresses it.
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What Does SS-31 Actually Do?The cardiolipin mechanism in plain language.
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5-Amino-1MQ Explained: The NNMT Inhibitor That Targets Fat Without Suppressing AppetiteA fat cell pathway that does not touch appetite.
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VideoBPC-157: Why It Works for Some Researchers and Does Nothing for OthersThe conditions that decide whether it does anything.
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BPC-157 and TB-500: Why the Stack Works and When to Run Each AloneLocal versus systemic repair.
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TB-500 Explained: How It Works Differently Than BPC-157The thymosin beta 4 fragment on its own.
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GHK-Cu Explained: Topical vs SubQ and What the Research Actually CoversWhere the copper peptide data actually is.
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Thymosin Alpha-1 Explained: The Immune Peptide With Actual Clinical Trial DataOne of the few with human trial data.
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KPV Peptide Side Effects: What the Research Actually ShowsThe anti inflammatory tripeptide and its safety data.
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KPV Peptide ExplainedHow the melanocortin fragment works.
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Epithalon Explained: What the Telomere Research Actually ShowsThe telomerase claim against the evidence.
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Semax Explained: The ACTH Fragment for Focus and RecoveryThe BDNF mechanism.
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Selank Explained: The Anti-Anxiety Peptide That Does Not Cause SedationWhy it calms without slowing you down.
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VideoSemax and Selank Nasal Spray: How-To GuideThe intranasal route and why it is used.
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SLU-PP-332 Explained: What Exercise in a Pill Actually MeansThe ERR agonist mechanism.
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Is SLU-PP-332 Harmful? What the Animal Data Shows and What Is MissingWhat exists and what does not.
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Tesofensine Explained: How a Triple Reuptake Inhibitor Works for Weight LossA brain side appetite mechanism.
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AOD-9604 Explained: How the GH Fragment Works for Fat LossThe fragment that keeps one GH effect and drops the rest.
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PT-141 vs Viagra: Why They Target Completely Different SystemsBrain signaling versus blood flow.
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PT-141 for Women: What the Research Actually ShowsThe female trial data.
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Is GHRP-6 a Steroid?What it is and what it is not.
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