Browse
Browse by effect
Pick a goal or effect to see which compounds in the guide are linked to it, from approved medicines to early research.
Educational only. A summary of published research, not medical advice or a recommendation. No doses are listed. Being listed under an effect means a compound is approved, used or studied for it, not that it works or is safe.
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Fat loss
8 compounds
Losing body fat, usually measured as a change in body weight or fat mass. This covers medicines approved or in trials for weight loss, and compounds studied for fat breakdown.
Semaglutide, Tirzepatide, Retatrutide, Tesamorelin +4 more
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Appetite
7 compounds
Changes in hunger and fullness, in either direction. Gut-hormone medicines mostly reduce appetite; a few compounds are reported to increase it.
Semaglutide, Tirzepatide, Retatrutide, Survodutide +3 more
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Muscle growth
12 compounds
Gains in muscle size and strength. In this guide that means anabolic steroids, which act on the androgen receptor.
Testosterone, Nandrolone, Methandrostenolone, Oxandrolone +8 more
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Muscle retention
4 compounds
Holding on to, or regaining, muscle during illness, injury or wasting. Several anabolic steroids were used medically for this.
Nandrolone, Oxandrolone, Oxymetholone, Methenolone
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Glucose control
4 compounds
Keeping blood sugar in a healthy range. In diabetes trials it's measured as HbA1c, the average blood sugar over about three months.
Semaglutide, Tirzepatide, Retatrutide, MOTS-c
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Recovery & repair
3 compounds
Healing of tendons, ligaments, muscle, skin and the gut after injury. The evidence here comes mostly from animal and lab studies.
GHK-Cu, BPC-157, TB-500
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Cognition & mood
2 compounds
Focus, memory, anxiety and recovery of brain function. The compounds here have mostly been studied in small trials published in Russia.
Selank, Semax
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Sleep & circadian rhythm
1 compound
The body's sleep–wake cycle, which is set partly by melatonin from the pineal gland.
Epitalon
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GH / IGF-1
4 compounds
Raising the body's own growth hormone, and with it IGF-1, through the GHRH or ghrelin receptor in the pituitary gland.
Tesamorelin, Sermorelin, CJC-1295, Ipamorelin
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Androgenic activity
12 compounds
Effects through the androgen receptor: muscle building, plus male traits such as body hair, a deeper voice, acne and scalp hair loss.
Testosterone, Nandrolone, Methandrostenolone, Oxandrolone +8 more
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Estrogenic activity
3 compounds
Effects from conversion to estrogen by the aromatase enzyme, such as water retention and breast tissue growth (gynecomastia).
Testosterone, Methandrostenolone, Boldenone
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Mitochondrial function
1 compound
How mitochondria, the cell's power plants, make energy. The guide's example is MOTS-c, a peptide encoded in mitochondrial DNA.
MOTS-c