Know what you take.
Plain-English facts for 112 compounds — what each one is, how it works, half-life, storage and what matters when you track it. Summarized from public sources. How we source. Not medical advice.
Comparing two? See the head-to-head comparisons — semaglutide vs tirzepatide, test cyp vs enanthate and more.
GLP-1 & incretins — Semaglutide, tirzepatide and the wider incretin class.
Bimagrumab
An investigational fully human monoclonal antibody against activin type II receptors, administered by intravenous or subcutaneou…
Cagrilintide
An investigational long-acting amylin analog under clinical development, often studied as a fixed-dose combination with semaglut…
Liraglutide
A once-daily GLP-1 receptor agonist administered by subcutaneous injection.…
Mazdutide
An investigational dual glucagon and GLP-1 receptor agonist under clinical development as a once-weekly subcutaneous injection.…
Pemvidutide
An investigational dual glucagon and GLP-1 receptor agonist under clinical development as a once-weekly subcutaneous injection.…
Retatrutide
An investigational triple agonist of GIP, GLP-1, and glucagon receptors under clinical development as a once-weekly subcutaneous…
Semaglutide
A long-acting glucagon-like peptide-1 (GLP-1) receptor agonist available as a once-weekly subcutaneous injection or once-daily o…
Setmelanotide
A synthetic cyclic peptide melanocortin-4 receptor agonist available as a once-daily subcutaneous injection.…
Survodutide
An investigational dual glucagon and GLP-1 receptor agonist under clinical development as a once-weekly subcutaneous injection.…
Tirzepatide
A long-acting dual GIP and GLP-1 receptor agonist administered as a once-weekly subcutaneous injection.…
Testosterone esters — Prescription testosterone preparations used in TRT.
Testosterone Cypionate
A long-acting esterified form of testosterone suspended in oil. It is the most commonly prescribed injectable testosterone in th…
Testosterone Enanthate
A long-acting esterified form of testosterone in oil suspension, structurally similar to cypionate with one less carbon in the e…
Testosterone Propionate
A short-acting esterified form of testosterone in oil. The propionate ester is the shortest of the common testosterone esters.…
Testosterone Undecanoate
A very long-acting esterified form of testosterone available as an injectable in castor oil (Aveed) or an oral softgel (Jatenzo)…
Peptides — Research and therapeutic peptides, from BPC-157 to CJC-1295.
5-Amino-1MQ
A small-molecule research compound, not a true peptide despite community grouping. Available as a powder or capsule.…
AICAR
A small-molecule AMP analog and AMP-activated protein kinase activator, not a true peptide despite community grouping. Supplied …
AOD-9604
A synthetic peptide derived from the C-terminal region of human growth hormone (residues 176-191).…
BPC-157
A synthetic pentadecapeptide (15 amino acids) derived from a partial sequence of a protective protein found in human gastric jui…
BPC-157 / TB-500
A community blend combining the pentadecapeptide BPC-157 with the thymosin beta-4 fragment TB-500, supplied as a co-lyophilized …
Cardiogen
A synthetic tetrapeptide (Ala-Glu-Asp-Arg) developed in Russia as a Khavinson short peptide intended to target cardiac tissue.…
Cerebrolysin
A peptide preparation derived from enzymatic hydrolysis of porcine brain tissue, containing a defined mixture of low-molecular-w…
CJC-1295 (no DAC)
A synthetic analog of the first 29 amino acids of growth hormone-releasing hormone (GHRH), without the drug affinity complex (DA…
CJC-1295 / Ipamorelin
A community blend combining a GHRH analog (commonly CJC-1295 without DAC / Mod GRF 1-29) with the ghrelin-receptor agonist Ipamo…
CJC-1295 with DAC
A long-acting GHRH analog incorporating a drug affinity complex (DAC) that binds serum albumin. Supplied as a lyophilized powder…
Cortexin
A peptide preparation derived from bovine or porcine cerebral cortex, developed in Russia. Supplied as a lyophilized powder for …
DSIP
A nonapeptide originally isolated from rabbit cerebral venous blood during electrically induced sleep.…
Epitalon
A synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed in Russia based on a sequence isolated from the pineal gland.…
GHK-Cu
A naturally occurring tripeptide (glycyl-L-histidyl-L-lysine) complexed with copper(II). Found in plasma and used in cosmetic fo…
GHK-Cu (Injectable)
The copper tripeptide GHK-Cu supplied as a lyophilized powder for subcutaneous injection, as opposed to the pre-mixed topical co…
GHRP-2
A synthetic hexapeptide growth hormone secretagogue. Supplied as a lyophilized powder.…
GHRP-6
A synthetic hexapeptide growth hormone secretagogue, the prototypical ghrelin receptor agonist of its class. Supplied as a lyoph…
Hexarelin
A synthetic hexapeptide growth hormone secretagogue, structurally related to GHRP-6.…
IGF-1 DES
A truncated analog of IGF-1 lacking the first three N-terminal amino acids. Supplied as a lyophilized powder.…
IGF-1 LR3
A synthetic 83-amino-acid analog of insulin-like growth factor 1 with an N-terminal 13-residue extension and an arginine-3 subst…
Ipamorelin
A synthetic pentapeptide growth hormone secretagogue. Supplied as a lyophilized powder.…
KPV
A synthetic tripeptide corresponding to the C-terminal three residues (lysine-proline-valine) of alpha-melanocyte-stimulating ho…
LL-37
A synthetic 37-amino-acid cationic antimicrobial peptide identical to the active C-terminal fragment of human cathelicidin (hCAP…
Melanotan II
A synthetic cyclic heptapeptide analog of alpha-melanocyte-stimulating hormone (alpha-MSH).…
MK-677
An orally bioavailable non-peptide growth hormone secretagogue, studied historically as an investigational drug.…
MOTS-c
A 16-amino-acid peptide encoded within the mitochondrial 12S rRNA gene, considered a mitochondrially-derived peptide. Supplied a…
Pinealon
A synthetic tripeptide (Glu-Asp-Arg) developed in Russia as one of the Khavinson short peptides, derived from pineal-gland-relat…
Prostamax
A peptide preparation derived from animal prostate tissue, developed in Russia as one of several organ-derived peptide bioregula…
PT-141
A synthetic cyclic heptapeptide analog of alpha-MSH, developed as a metabolite of melanotan II. Supplied as a prefilled autoinje…
Selank
A synthetic heptapeptide analog of the human tetrapeptide tuftsin (an immunomodulatory fragment of IgG), developed by the Russia…
Semax
A synthetic heptapeptide (Met-Glu-His-Phe-Pro-Gly-Pro) derived from a fragment of adrenocorticotropic hormone (ACTH 4-10), devel…
Sermorelin
A synthetic peptide consisting of the first 29 amino acids of human growth hormone-releasing hormone. Supplied as a lyophilized …
Somapacitan
A long-acting growth hormone analog with a non-covalent albumin-binding side chain, administered as a once-weekly subcutaneous i…
Somatropin
A recombinant DNA-derived 191-amino-acid polypeptide identical in sequence to endogenous human growth hormone. Multiple brand-na…
SS-31
An investigational synthetic tetrapeptide that concentrates in the inner mitochondrial membrane. Supplied as a lyophilized powde…
TB-500
A synthetic peptide fragment related to thymosin beta-4, a naturally occurring 43-amino-acid actin-binding protein. Supplied as …
Tesamorelin
A synthetic GHRH analog stabilized by an N-terminal trans-3-hexenoic acid modification. Supplied as a lyophilized powder.…
Thymosin Alpha-1
A synthetic 28-amino-acid peptide identical in sequence to a naturally occurring thymic peptide. Supplied as a lyophilized powde…
Vesugen
A synthetic tripeptide (Lys-Glu-Asp) developed in Russia as a Khavinson short peptide intended to target vascular tissue.…
Ancillaries — Support compounds commonly run alongside a protocol.
Anastrozole
A non-steroidal aromatase inhibitor available as an oral tablet.…
Clomiphene
A selective estrogen receptor modulator (SERM) consisting of a mixture of two isomers (zuclomiphene and enclomiphene).…
Enclomiphene
The pure trans-isomer of clomiphene, a selective estrogen receptor modulator (SERM).…
Exemestane
A steroidal irreversible aromatase inactivator available as an oral tablet.…
Gonadorelin
A synthetic decapeptide identical to endogenous gonadotropin-releasing hormone (GnRH). Supplied as a lyophilized powder or steri…
Human Chorionic Gonadotropin
A glycoprotein hormone naturally produced during pregnancy. Pharmaceutical HCG is supplied as a lyophilized powder for reconstit…
Kisspeptin
A neuropeptide encoded by the KISS1 gene. The truncated kisspeptin-10 fragment is the form most commonly used in clinical resear…
Letrozole
A non-steroidal triazole aromatase inhibitor available as an oral tablet.…
Tamoxifen
A selective estrogen receptor modulator (SERM) available as oral tablets or oral solution.…
Oral compounds — Tablets and capsules — prescription and research orals.
9-Me-BC
A small-molecule beta-carboline derivative studied in preclinical neuropharmacology research. Available as a powder.…
Adderall
A mixture of four amphetamine salts (dextroamphetamine and amphetamine) available as immediate-release tablets and extended-rele…
Bromantane
A synthetic adamantane derivative developed in Russia. Available as oral tablets where marketed.…
Bupropion
An aminoketone antidepressant chemically unrelated to other major antidepressant classes. Available as immediate-release, sustai…
Finasteride
A synthetic 4-azasteroid 5-alpha-reductase inhibitor available as oral tablets. Also available in compounded topical formulation…
Levothyroxine
A synthetic form of the thyroid hormone thyroxine (T4) available as oral tablets, capsules, and an oral solution.…
Low-Dose Naltrexone
Naltrexone is an opioid receptor antagonist. The low-dose variant typically refers to compounded preparations at a fraction of t…
Metformin
A biguanide oral antihyperglycemic agent. Available as immediate-release and extended-release tablets and an oral solution.…
Methylene Blue
A phenothiazine dye with a long history of medical use. Available as a sterile injectable solution (ProvayBlue) and as a chemica…
Minoxidil
A vasodilator originally developed as an antihypertensive. Available as a topical solution or foam (Rogaine) and as oral tablets…
Modafinil
A wakefulness-promoting agent available as oral tablets. Schedule IV controlled substance in the US.…
NSI-189
A synthetic small molecule of the benzylpiperazine-aminopyridine class, studied historically as an investigational antidepressan…
Phenibut
A synthetic GABA derivative with an added phenyl ring developed in the Soviet Union. Regulatory status varies by jurisdiction; n…
Phenylpiracetam
A phenyl-substituted analog of piracetam developed in Russia. Available as oral tablets where marketed.…
RU58841
A non-steroidal anti-androgen studied historically for topical use in androgenetic alopecia and acne. Development was discontinu…
Tadalafil
A long-acting phosphodiesterase type 5 (PDE5) inhibitor available as oral tablets.…
Telmisartan
An angiotensin II receptor blocker (ARB) available as oral tablets.…
Topical Finasteride
A compounded topical formulation of finasteride in a vehicle such as alcohol, propylene glycol, or liposomal base, applied direc…
Topical Minoxidil
A topical solution or foam formulation of minoxidil at 2% or 5% concentration applied directly to the scalp.…
Tretinoin
A naturally occurring carboxylic acid form of vitamin A available as a topical cream, gel, or microsphere preparation, and as an…
SARMs — Selective androgen receptor modulators.
Supplements — Everyday staples — creatine, vitamin D, magnesium and more.
5-HTP
An aromatic amino acid intermediate in the biosynthesis of serotonin. Available as an oral capsule supplement in the US.…
Apigenin
A naturally occurring flavone found in parsley, chamomile, and other plants. Available as oral capsules.…
Ashwagandha
A shrub in the Solanaceae family used in Ayurvedic tradition. The root extract is sold as a dietary supplement, often standardiz…
Berberine
An isoquinoline alkaloid found in plants such as Berberis (barberry) and goldenseal. Available as oral capsule and tablet supple…
Beta-Alanine
A non-proteinogenic beta amino acid. Available as oral powders, capsules, and tablets.…
Citrulline Malate
A combination of the non-proteinogenic amino acid L-citrulline with malic acid, commonly in a 2:1 ratio. Available as oral powde…
CoQ10
A lipid-soluble benzoquinone present in mitochondrial membranes. Available as oral softgels and capsules in oxidized (ubiquinone…
Cordyceps
A genus of parasitic fungi cultivated for medicinal use. Sold as a dietary supplement in capsule, powder, or extract form.…
Creatine Monohydrate
A naturally occurring nitrogenous organic acid available as a powder, capsule, or tablet supplement.…
DHEA
An endogenous adrenal steroid serving as a precursor to androgens and estrogens. Available over-the-counter as an oral supplemen…
Fadogia Agrestis
A West African shrub in the Rubiaceae family. The stem extract is sold as a dietary supplement, often as a 10:1 extract.…
Glycine
The simplest amino acid, available as an oral powder or tablet supplement.…
L-Theanine
A non-proteinogenic amino acid found primarily in tea leaves (Camellia sinensis). Available as oral capsules and tablets.…
L-Tryptophan
An essential aromatic amino acid required for protein synthesis and serving as the precursor to serotonin, melatonin, and niacin…
Lion's Mane
An edible medicinal mushroom (Hericium erinaceus) sold as a dietary supplement in capsule, powder, or tincture form.…
Magnesium Glycinate
A chelated form of magnesium bound to two glycine molecules, available as oral capsules and tablets.…
Magnesium L-Threonate
A magnesium salt of L-threonic acid, marketed as a brain-penetrant form of magnesium. Available as oral capsules and powders.…
Nicotinamide Riboside
A form of vitamin B3 and a precursor to NAD+. Available as a dietary supplement (Niagen) holding FDA New Dietary Ingredient and …
NMN
A direct biosynthetic precursor to nicotinamide adenine dinucleotide (NAD+). Regulatory status has shifted; in 2022 the FDA stat…
Phosphatidylserine
A phospholipid component of cell membranes. Available as oral softgels and capsules, typically sourced from soy or sunflower lec…
Pregnenolone
An endogenous steroid synthesized from cholesterol and acting as the metabolic precursor to most other steroid hormones. Availab…
Rhodiola Rosea
A flowering plant in the Crassulaceae family. The root extract is sold as a dietary supplement, typically standardized to rosavi…
Spermidine
A naturally occurring polyamine found in wheat germ and other foods. Available as a dietary supplement in capsule or wheat-germ-…
Tongkat Ali
A flowering plant native to Southeast Asia. The root extract is sold as a dietary supplement, often standardized to eurycomanone…
Urolithin A
A gut microbial metabolite of ellagitannins (found in pomegranate, walnuts, and certain berries). Available as a dietary supplem…
Vitamin D3
The naturally occurring form of vitamin D produced in skin upon UVB exposure. Available as oral capsules, tablets, and liquid dr…
Vitamin K2
A fat-soluble vitamin in the menaquinone family. MK-4 and MK-7 are the most common subtypes in supplements.…
Zinc
An essential trace mineral available in various salt forms as oral supplements.…