Decide
Most peptide questions are decision questions, not research questions. “Does BPC-157 work?” usually means “is BPC-157 the right tool for me, for this specific goal, right now?”
Each guide below compares the realistic options for a goal — peptide, drug, and lifestyle — with effect sizes from the published literature, honest hedging where the evidence is thin, and the upstream interventions the marketing rarely talks about. No vendor links. No financial conflict of interest.
- Decision guides
- 37
- Discontinuation playbooks
- 4
- Total
- 41
Pick the goal. Compare the options. Decide.
One guide per major goal. Public preview is the comparison table and framing; members get the per-option deep dive, the founder-voice "what I'd do in your shoes," and the operational notes for any self-experimenter running a structured cycle.
01·Decision guide
Anti-aging interventions — peptide, drug, and lifestyle options compared
The anti-aging space has the worst evidence-to-marketing ratio of any peptide category. The reasons are structural. First, "anti-aging" is not a clinical endpoint — it's a marketing umbrella over a heterogeneous mix of s…
Covers: epitalon · mots-c · ss-31 · thymosin-alpha-1
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02·Starting point
Biomarker monitoring guide for peptide users
Most peptide use sits outside the conventional prescriber-patient feedback loop. The compound is gray-market or off-label, the cycle was self-designed or copied from a community protocol, and the only data the user has o…
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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03·Decision guide
Cognitive enhancement and focus — peptide, drug, supplement, and lifestyle options compared
The cognitive-enhancement question has the worst signal-to-noise ratio of any peptide or supplement category. Five conditions drive most of the noise. First, "nootropic" markets are saturated with proprietary blends that…
Covers: semax · dihexa
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04·Starting point
Compounding pharmacy regulatory landscape
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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05·Starting point
DEA scheduling and criminal-law peptide landscape
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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06·Starting point
Failed peptide trials archive: when primary endpoints don't make it
Covers: aod-9604 · ss-31 · tirzepatide · liraglutide · pt-141 · selank · …
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07·Decision guide
Fat loss — peptide, drug, and lifestyle options compared
The most-asked peptide question of the 2020s is some version of "should I take semaglutide?" — and the most useful answer is rarely yes or no. It is: given your starting point, your goal, your timeline, your tolerance fo…
Covers: semaglutide · tirzepatide · retatrutide · tesamorelin · ipamorelin · cjc-1295 · …
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08·Decision guide
Hair density and regrowth — peptide, drug, procedure, and lifestyle options compared
Hair density complaints span a wider clinical landscape than most adopters realize. Androgenetic alopecia (male pattern baldness, female pattern hair loss) is the most common driver and has substantial evidence-based int…
Covers: ghk-cu
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09·Decision guide
Hepatic fat / MASLD / MASH — peptide options compared
Covers: tesamorelin · semaglutide · tirzepatide · retatrutide
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10·Starting point
IGF-1 lab platform reference range divergence
Covers: sermorelin · tesamorelin · cjc-1295 · ipamorelin · mk-677 · hexarelin · …
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11·Starting point
If I were starting today — the peptides starter decision guide
Most questions about peptides are decision questions, not research questions. "Does BPC-157 work?" — actually means "Is BPC-157 the right tool for me, for this specific goal, right now?" That second question requires edi…
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12·Starting point
Investigational peptide pipeline tracker: what's in development 2026
Covers: semaglutide · tirzepatide · retatrutide · cagrilintide · liraglutide · ss-31 · …
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13·Decision guide
Muscle preservation — peptide, drug, and lifestyle options compared
The 2020s have made muscle preservation a mainstream question for the first time. Two demographic shifts forced it: the GLP-1 era is producing 15–20% body-weight reductions in millions of adults, with ~30–40% of that los…
Covers: ipamorelin · cjc-1295 · mk-677 · tesamorelin
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14·Starting point
Pediatric peptide use review: approved, off-label, and the gray-market adolescent question
Covers: somatropin · sermorelin · teduglutide · liraglutide · semaglutide · tirzepatide · …
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15·Starting point
Peptide allergens and excipients reference
Covers: 5-amino-1mq · anamorelin · aod-9604 · apraglutide · ara-290 · bpc-157 · …
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16·Starting point
Peptide bioavailability comparison reference
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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17·Starting point
Peptide cold-chain logistics and travel reference
Covers: 5-amino-1mq · anamorelin · aod-9604 · apraglutide · ara-290 · bpc-157 · …
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18·Starting point
Peptide dose conversion math reference
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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19·Starting point
Peptide dosing in hepatic impairment: a reference
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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20·Starting point
Peptide drug-drug interactions reference
A patient on warfarin, a thiazide diuretic, and chronic glucocorticoid replacement starts semaglutide for weight management. Three months later, the INR drifts up at a routine check, the morning fasting glucose creeps hi…
Covers: semaglutide · tirzepatide · liraglutide · lixisenatide · exenatide · pramlintide · …
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21·Starting point
Peptide injection technique: a technical reference
Covers: 5-amino-1mq · anamorelin · aod-9604 · apraglutide · ara-290 · bpc-157 · …
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22·Starting point
Peptide manufacturing technical reference
Covers: 5-amino-1mq · anamorelin · aod-9604 · ara-290 · bpc-157 · c-peptide · …
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23·Starting point
Peptide nomenclature and sequence notation reference
A peptide paper opens with a sequence, and the sequence is the first place a reader either reads the molecule correctly or misreads it. GLP-1(7-36)amide and GLP-1(7-37) are the same precursor cleaved one residue apart at…
Covers: semaglutide · tirzepatide · retatrutide · liraglutide · oxytocin · sermorelin · …
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24·Starting point
Peptide pharmacokinetics matrix
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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25·Starting point
Peptide receptor pharmacology atlas
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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26·Starting point
Peptide research glossary: terminology for reading the literature
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27·Starting point
Peptide storage and stability technical reference
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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28·Starting point
Peptide time-to-effect reference
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ll-37 · larazotide · …
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29·Starting point
Peptide-targeted radioligand therapy reference
A patient with a midgut neuroendocrine tumor undergoes a Ga-68 DOTATATE PET / CT scan. The hepatic metastases light up against the surrounding parenchyma with the high tumor-to-background contrast that somatostatin-recep…
Covers: somatostatin-analog-class
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30·Starting point
Pregnancy and lactation peptide safety registry
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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31·Decision guide
Recovery and training adaptation — peptide, supplement, and lifestyle options compared
"How do I recover faster between sessions" and "how do I keep adapting at a high training age" are the most-asked questions in any serious training community, and they pull in the broadest range of interventions on this…
Covers: ipamorelin · cjc-1295 · bpc-157 · tb-500 · mk-677
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32·Decision guide
Sexual function — peptide, drug, hormonal, and lifestyle options compared
Sexual function complaints — desire, arousal, erection quality, anorgasmia — span four distinct domains, and almost every adopter conflates them. Desire is a brain question (dopaminergic, hormonal, contextual). Arousal i…
Covers: pt-141
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33·Decision guide
Sleep quality — peptide, drug, and lifestyle options compared
The reason most people search "peptide for sleep" is that they have already tried melatonin, magnesium, and possibly a benzodiazepine adjacent like Z-drugs — and either the effect faded, the side effects accrued, or the…
Covers: ipamorelin · mk-677 · cjc-1295 · dsip · epitalon
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34·Decision guide
Soft tissue and tendon healing — peptide, procedure, and lifestyle options compared
A nagging shoulder, a partial rotator cuff tear, a stubborn Achilles tendinopathy, a months-old hamstring strain that won't quite finish healing. The decision a person actually faces here is rarely "should I try BPC-157"…
Covers: bpc-157 · tb-500
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35·Decision guide
Stress and non-clinical anxiety — peptide, drug, supplement, and lifestyle options compared
This guide is for the subjective experience that most adults call "feeling stressed" or "running anxious" — chronic baseline elevation, performance anxiety, ruminative thinking, sleep-onset worry, sympathetic over-tone —…
Covers: selank
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36·Starting point
Veterinary peptide literature: what animal clinical evidence does and doesn't tell us
Veterinary pharmacology is its own discipline. The FDA's Center for Veterinary Medicine reviews and approves new animal drugs separately from human drugs, maintains a separate approved-products list (the Green Book), and…
Covers: bpc-157 · tb-500 · thymosin-alpha-1 · cjc-1295 · ipamorelin
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37·Starting point
WADA prohibited-status registry: peptides and competitive sport
Covers: bpc-157 · tb-500 · ghk-cu · kpv · ipamorelin · cjc-1295 · …
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Coming off — what to expect and how to taper
The conversation most peptide and pharmacological coverage skips. For chronic protocols (GLP-1 agonists, GH-axis stacks, TRT, MK-677 long-cycle), the rebound trajectory on discontinuation is the central feature of how the drug works, not a side effect. These playbooks walk the structured taper, the week-by-week off-drug timeline, biomarker recovery, and the behavioral substrate that determines where you land.
01·Discontinuation playbook
Coming off GH-secretagogue stacks (Ipamorelin / CJC-1295 / MK-677) — what to expect and how to taper
Covers: ipamorelin · cjc-1295 · mk-677 · tesamorelin
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02·Discontinuation playbook
Coming off GLP-1 agonists — what to expect and how to taper
Covers: semaglutide · tirzepatide · retatrutide
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03·Discontinuation playbook
Coming off testosterone replacement — the HPGA recovery trajectory and what to expect
Read the playbook
04·Discontinuation playbook
MK-677 long-cycle taper — managing glucose drift, water retention, and the metabolic-reset window
Covers: mk-677
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··How these guides are written
- — Each guide compares peptide, drug, and lifestyle options on a consistent set of dimensions: evidence tier, effect size, time to outcome, cost, side effects, rebound risk, who should consider, who should skip.
- — Cited primary literature where it exists. Honest hedging where it doesn't. No fabricated citations.
- — Lifestyle interventions appear in every table, often as the highest-leverage row. This is the load-bearing observation across the category.
- — No vendor links for peptides. No affiliate relationships. Lab referrals (Function Health, Marek, Quest, primary care) are mentioned because they're how you'd track outcomes — not as paid placements.
- — Members get the deeper per-option analysis, founder-voice scenario walkthroughs, and operational notes for self-experimenters.