Performance-enhancing drugs
An honest, harm-first reference on the drugs used to change how the body performs and looks — anabolic steroids, SARMs, and the ancillary and metabolic agents that travel with them. What each one is, where it stands with the law, what the evidence actually shows, and the real risks.
What this is, and isn’t
This is a library that explains these compounds — what they are and what they do to the body. It is not a how-to. You will find no doses, no cycles, no protocols and no sources here, deliberately and permanently. The most useful thing on any of these pages is the same: if you use or are considering these substances, involve a doctor and monitor your blood work.
Injectable anabolic-androgenic steroids
- Testosterone (esters)Gold· human data
The natural male androgen; injected esters are the reference anabolic steroid all others are measured against.
- NandroloneSilver· human data
The 'deca'/'NPP' steroid; known for joint comfort claims and for a long detection window.
- TrenboloneSilver· human data
A very potent androgen with an equally strong side-effect reputation; never a licensed human medicine.
- BoldenoneSilver· human data
The 'EQ' steroid; a veterinary-origin androgen used for slow lean gains.
- DrostanoloneSilver· human data
The 'masteron' steroid; a DHT-derived androgen used cosmetically in lean conditions.
- MethenoloneSilver· human data
The 'primobolan' steroid; a mild androgen with an outsized reputation-to-evidence gap.
Oral anabolic-androgenic steroids
- OxandroloneGold· human data
A mild oral steroid with a reputation for lean gains — but an oral 17-alpha-alkylated compound, with the liver cost that carries.
- OxymetholoneSilver· human data
The 'anadrol' steroid; a strong oral with a heavy liver and blood-pressure cost.
- MethandrostenoloneSilver· human data
The 'dianabol' steroid; one of the oldest orals, and one of the harder ones on the liver.
- StanozololSilver· human data
The 'winstrol' steroid; known for joint-drying and lipid harm.
- TurinabolSilver· human data
An oral steroid with a notorious state-doping history and a long detection window.
- FluoxymesteroneSilver· human data
The 'halotestin' steroid; a very strong androgen with a severe safety profile.
- MesteroloneSilver· human data
The 'proviron' compound; a weak oral androgen used more as an ancillary than a builder.
SARMs & non-steroidal anabolics
- Ostarine (MK-2866)Silver· human data
The best-known SARM, sold as a 'lighter' steroid alternative — but unlicensed, unregulated in what's actually in the bottle, and not the clean option it's marketed as.
- Ligandrol (LGD-4033)Silver· human data
A potent SARM; unlicensed, suppressive, and commonly mislabelled in what's sold.
- Testolone (RAD-140)Silver· human data
A strong SARM with early safety signals including liver injury; unlicensed.
- Andarine (S4)Silver· human data
An older SARM noted for temporary vision side effects; unlicensed.
- Cardarine (GW-501516)Not supported· animal data only
Sold alongside SARMs but not one — a PPARδ agonist abandoned in development after animal cancer findings.
- Stenabolic (SR9009)Unproven· animal data only
A research REV-ERB agonist sold as a SARM; poor oral bioavailability and almost no human data.
Ancillaries & post-cycle drugs
- AnastrozoleSilver· human data
A breast-cancer medicine used in this context to lower oestrogen — what it is, and why it appears, not how to use it.
- TamoxifenSilver· human data
A breast-cancer medicine that appears in this context as a post-cycle drug; educational only.
- ClomifeneSilver· human data
A fertility medicine that appears in this context to restart natural hormone production; educational only.
- hCGSilver· human data
A hormone used medically for fertility; appears in this context around suppressed natural production.
Metabolic & fat-loss agents
- ClenbuterolSilver· human data
A bronchodilator (not licensed for human use in the UK) misused for fat loss, with real cardiac risk.
- Liothyronine (T3)Silver· human data
A thyroid medicine misused for fat loss; suppresses natural thyroid function and carries cardiac risk.
- Semaglutide / GLP-1 agonistsGold· human data
Prescription weight and diabetes medicines; see the Pulse Metabolic & GLP-1 coverage for the evidence.
- DNP (2,4-dinitrophenol)Not supported· human data
Not a medicine — an industrial chemical and poison that has killed people. Covered to warn, unambiguously.
Growth hormone & peptides
- Growth hormone (hGH) & IGF-1Silver· human data
A prescription hormone misused for body composition; the GH-secretagogue peptides are covered in the peptides library.
Reference last reviewed 2026-07-26. This library is being expanded and every entry is verified against primary sources before it is treated as complete.