disclaimer

For research use only

Precision peptide
research tools.

Research-grade calculators, dosing protocols, and scientific references built on clinical trial data. Used by researchers in 40+ countries.

11

calculators

10+

articles

5

languages

28

biomarkers

Browse all toolsRead research

Research tools

11 calculators

GLP-1 & Triple agonist

Retatrutide titration calculator

Phase 3 protocol · NAFLD flag · ketone prediction · no plateau data

Tirzepatide dose calculator

SURMOUNT protocol · weight-based escalation · tolerability assessment

Retatrutide vs tirzepatide

Head-to-head Phase 3 data · 12-metric comparison · weight projection

Retatrutide fatty liver estimator

NAFLD sub-study data · fibrosis stage selector · 86% clearance data

Reconstitution & dosing

BPC-157 reconstitution calculator

Weight-based mcg/kg dosing · injury type · stack recommendations

Peptide reconstitution calculator

Universal · any vial · any dose unit · syringe reading guide

Retatrutide reconstitution

Protocol-specific doses 1–12mg · concentration · injection volume

Peptide stack builder

6 research goals · protocol tables · timing guides

Pharmacokinetics & reference

Half-life calculator

Exponential decay · 10 peptides · redose interval calculation

Shelf life calculator

Lyophilized vs reconstituted · 4 storage conditions · expiry estimate

Biomarker reference

28 biomarkers · normal and optimal ranges · searchable + filterable

Peptide reference

10 peptides

GLP-1 & Weight loss

Retatrutide

Triple agonist

25% weight loss in Phase 3. No plateau at 80 weeks. GIP + GLP-1 + glucagon.

Tirzepatide

Dual agonist

22.5% weight loss (SURMOUNT). FDA-approved. GIP + GLP-1 dual mechanism.

Healing & repair

BPC-157

Healing

Tendon, muscle, and gut repair. Derived from human gastric juice. 4-hour half-life.

TB-500

Healing

Thymosin beta-4 fragment. Actin upregulation, angiogenesis, cell migration.

Growth hormone

CJC-1295

GHRH

GHRH analogue. Without DAC: pulsatile 30-min half-life. With DAC: 8-day half-life.

Ipamorelin

GHRP

Selective GH secretagogue. No cortisol or prolactin spike. 2-hour half-life.

Sermorelin

GHRH

Synthetic GHRH 1-29 fragment. Natural pituitary stimulation. 10-min half-life.

Longevity & other

GHK-Cu

Copper peptide

Collagen synthesis, wound healing, stem cell activation. Naturally occurring.

Epithalon

Telomere

Tetrapeptide. Telomere elongation, pineal regulation. Longevity research.

PT-141

Melanocortin

Bremelanotide. MC3R/MC4R agonist. FDA-approved (Vyleesi). Central action.

Latest research

Published Mon–Fri

studies10 min

Retatrutide Phase 3: 25% weight loss, no plateau at 2 years

comparisons8 min

Retatrutide vs tirzepatide: complete Phase 3 comparison

studies7 min

Retatrutide for fatty liver: 86% clearance in Phase 2 sub-study

guides6 min

How retatrutide works: the glucagon receptor explained

guides5 min

Retatrutide FDA approval timeline: what to expect in 2026–2027

studies6 min

Retatrutide and ketone bodies: the metabolic switch explained

Clinical data only

Every calculator is built on published clinical trial protocols or peer-reviewed pharmacokinetic studies. No anecdote, no forum data.

PubMed citations

Every factual claim links to its primary source. DOI-verified references on every article. No secondary sources or blog citations.

Research use only

All content is for research and educational purposes. Not medical advice. Consult a licensed physician before use.

Stay current

New research every weekday

Retatrutide Phase 3 updates, peptide protocol guides, and clinical data — published Monday through Friday.