Education

Guides for the most frequently asked questions.

These guides teach you everything from the fundamentals to home brewing. Everything you need to know, all in one place.

Guides

Independent LabCheck versions covering the complete reference set.

17 guides
Special guideCalculator

Brew Calculator

A gravimetric formulation calculator with presets, blends, carrier oils, batch totals, viscosity and cost estimates.

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Special guideInjection guide

Injection Sites Guide

A complete nine-site visual atlas with 24 reference series and 95 illustrated sequence frames.

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Foundations

A map of performance-enhancing compounds

A category-by-category introduction to AAS, peptides, SARMs, metabolic medicines and the terms that often get mixed together.

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Metabolic

Retatrutide: evidence, access and source records

What retatrutide is, where the clinical research currently sits and why online product claims should be separated from trial evidence.

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Peptides

Research peptides: evidence is not one category

BPC-157, TB-500 and GHK-Cu are often grouped together even though their study history, intended use and available human data differ.

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Testosterone

Testosterone and TRT: the systems around the medicine

A look at prescription treatment, monitoring, grey-market listings and the difference between medical evidence and online claims.

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Source checks

AAS listings, law and source history

How to place a listing in context by checking the applicable rules, identity history, independent records and complaint handling.

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SARMs

SARMs without the marketing shorthand

An introduction to selective androgen receptor modulators, their research status and the labelling problems found in the online market.

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Source checks

How to vet a source record

A practical method for reading COAs, laboratory details, account history, complaint patterns and common impersonation signals together.

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Injectables

Injectable AAS: evidence and product questions

A broad guide to injectable anabolic-androgenic steroids, ester names, evidence limits and the product-quality questions discussed around them.

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Orals

Oral AAS: medical history and modern listings

How oral AAS differ from injectable categories, why compound-specific evidence matters and how online listings complicate identification.

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Peptides

Approved, clinical-stage and research-only peptides

Peptide describes a type of molecule, not an approval status. This guide separates authorised medicines, trial candidates and catalogue products.

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Injectables

Testosterone enanthate: a reference overview

The medical uses, ester terminology and evidence base around testosterone enanthate, kept separate from claims about third-party products.

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Injectables

Trenbolone: claims versus human evidence

Why trenbolone occupies a large place in online discussion despite the limited role of controlled human evidence.

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Injectables

Nandrolone: uses, evidence and open questions

A concise history of nandrolone medicines, the settings in which they were studied and the questions that community reports cannot settle.

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Orals

Oxandrolone: medical history and counterfeit context

An overview of oxandrolone’s clinical history, known evidence boundaries and why mislabelled online products complicate discussion.

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SARMs

SARMs: human data and mislabelling studies

A closer look at what has been studied in people and what analytical surveys have found when testing products sold as SARMs.

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