# PepLedger > PepLedger is the official website for the PepLedger iPhone and iPad tracking and mathematical calculation application. App Store ID: 6788460095. Canonical site: https://www.pepledgerapp.com. PepLedger provides user-controlled tracking and mathematics, not medical advice or a medical device. ## Official app - [PepLedger on the App Store](https://apps.apple.com/app/id6788460095): Official App Store listing for PepLedger, app ID 6788460095. - [About PepLedger](https://www.pepledgerapp.com/about): Official app identity, editorial standards, source selection and limitations. - [Calculation methodology and editorial standards](https://www.pepledgerapp.com/calculation-methodology): Formulas, precision, validation, source standards and the separation of mathematics from medical guidance. PepLedger helps visitors record information they choose to enter. Active-system and half-life displays are estimates based on logged information and mathematical models. Every calculator uses values entered by the visitor; outputs are mathematical results, not recommendations. ## Calculator hub - [Compound calculators](https://www.pepledgerapp.com/compound-calculators): Hub for the compound calculator collection. - [5-Amino-1MQ concentration calculator](https://www.pepledgerapp.com/5-amino-1mq-concentration-calculator) - [KPV reconstitution calculator](https://www.pepledgerapp.com/kpv-reconstitution-calculator) - [BPC-157 + TB-500 blend calculator](https://www.pepledgerapp.com/bpc-157-tb-500-blend-calculator) - [BPC-157 reconstitution calculator](https://www.pepledgerapp.com/bpc-157-reconstitution-calculator) - [NAD reconstitution calculator](https://www.pepledgerapp.com/nad-reconstitution-calculator) - [Retatrutide reconstitution calculator](https://www.pepledgerapp.com/retatrutide-reconstitution-calculator) - [ARA-290 reconstitution calculator](https://www.pepledgerapp.com/ara-290-reconstitution-calculator) - [MOTS-c reconstitution calculator](https://www.pepledgerapp.com/mots-c-reconstitution-calculator) - [Tesamorelin reconstitution calculator](https://www.pepledgerapp.com/tesamorelin-reconstitution-calculator) - [Glutathione reconstitution calculator](https://www.pepledgerapp.com/glutathione-reconstitution-calculator) - [SS-31 reconstitution calculator](https://www.pepledgerapp.com/ss-31-reconstitution-calculator) - [Tirzepatide reconstitution calculator](https://www.pepledgerapp.com/tirzepatide-reconstitution-calculator) - [Semaglutide reconstitution calculator](https://www.pepledgerapp.com/semaglutide-reconstitution-calculator) - [Semax reconstitution calculator](https://www.pepledgerapp.com/semax-reconstitution-calculator) - [Selank reconstitution calculator](https://www.pepledgerapp.com/selank-reconstitution-calculator) - [CJC-1295 reconstitution calculator](https://www.pepledgerapp.com/cjc-1295-reconstitution-calculator) - [Ipamorelin reconstitution calculator](https://www.pepledgerapp.com/ipamorelin-reconstitution-calculator) - [Melanotan-2 reconstitution calculator](https://www.pepledgerapp.com/melanotan-2-reconstitution-calculator) - [HGH reconstitution calculator](https://www.pepledgerapp.com/hgh-reconstitution-calculator) - [GHK-Cu reconstitution calculator](https://www.pepledgerapp.com/ghk-cu-reconstitution-calculator) Calculator pages are informational mathematical tools. PepLedger does not recommend compounds, schedules or treatments, and cannot verify any physical product.