Harm-reduction information only — not medical advice. In crisis or experiencing adverse effects, contact a healthcare professional or your local emergency services immediately.
114 compounds with sourced pharmacokinetic data.
Test E, TE, Test Enth
Long-acting testosterone ester; the most common TRT and cycle base. Reaches steady state in ~5 weeks.
Test Cyp, TC
Standard US TRT ester with a slightly longer release tail than enanthate. Steady state ~4–5 weeks.
Test P, TP
Short-acting ester with sharp peaks; requires frequent injection. Useful for frontloading.
Nebido, TU, Reandron
Very long-acting ester (Nebido). Dosed 1000 mg every 10–14 weeks for TRT. NHS standard.
TU MCT, Testosterone Undecanoate
MCT-carried testosterone undecanoate; shorter apparent half-life than the castor-oil formulation.
Jatenzo, Andriol, Oral TU
Oral testosterone (Jatenzo/Andriol) with low lymphatic bioavailability; dosed twice daily with food.
Test PP
Medium-chain ester (Sustanon component). Simple model — no peak data available.
Test Iso
Sustanon component with medium duration. Simple model.
Test Base (injectable), Aquadose
Ester-free injectable testosterone (water base). Very sharp peaks; dosed daily.
Test Deca
Long-chain ester (Sustanon component). Simple model.
Testogel, AndroGel, Transdermal T
Transdermal testosterone gel providing steady low-level delivery. Transfer risk to others.
Sublingual T, Testoplek
Sublingual testosterone with extremely rapid peak and clearance; dosed multiple times daily.
EQ Cyp
Boldenone with a cypionate ester. Model inherited from testosterone cypionate — treat as approximate.
Tren E
Long-acting 19-nor injectable; potent androgen with no aromatization. Simple model.
Tren A, Fina
Short-acting 19-nor ester requiring every-other-day dosing. Simple model.
Tren Hex, Parabolan
Long-acting trenbolone (original Parabolan). Simple model.
MENT, Trest A
7α-methyl-19-nortestosterone acetate; potent, aromatizing, investigational male contraceptive.
Drostanolone Prop, Mast P
DHT-derived drostanolone propionate; anti-estrogenic, cutting agent. Simple model.
Drostanolone Enth, Mast E
Longer-acting drostanolone ester. Simple model.
Proviron
Oral DHT derivative; low bioavailability, used for SHBG binding / anti-estrogenic effect.
NPP, Durabolin
Short-acting 19-nor (NPP); faster clearance than Deca. Good for frontloading.
Deca, Nandrolone Deca
Long-acting 19-nor (Deca-Durabolin); collagen/joint benefits, very long clearance.
EQ, Equipoise, Boldenone
Equipoise; long half-life, slow steady gains. Notorious for long detection times.
DHB, 1-Testosterone Cypionate
1-testosterone (DHB); potent, non-aromatizing. Limited human PK data.
Methenolone Acetate, Primo Oral
Oral methenolone acetate; mild, low-side, short half-life. Simple model.
Methenolone Enanthate, Primo
Injectable methenolone enanthate; very long half-life, mild profile.
Fluoxymesterone, Halo
Extremely hepatotoxic oral; pure strength/aggression, minimal hypertrophy.
Oxymetholone, A50, Drol
Potent oral mass builder; high water retention and significant hepatotoxicity.
Methandrostenolone, Dbol, Methandienone
Classic oral mass builder; short half-life, strong aromatization. Simple model.
4-Chlorodehydromethyltestosterone, Tbol
Oral cross between Dbol and Clostebol; low water retention, moderate liver toxicity.
Stanozolol, Winny
Oral stanozolol; cutting agent, joint pain common. Simple model.
Winstrol Depot, Stanozolol Inj
Injectable stanozolol suspension; micro-crystals give a long apparent peak.
Oxandrolone, Var
Mild oral oxandrolone; favored in cutting and female use due to low androgenicity.
Methasterone
Design steroid methasterone; notorious for severe hepatotoxicity. Simple model.
MK-2866, Enobosarm
Non-steroidal SARM; mild, used in cutting/recomp. Simple model (estimated).
LGD-4033, LGD, Anabolicum
Potent SARM for lean mass; suppression evident at higher doses.
S4, Andarine
SARM with notable vision-related side effects; short half-life requiring divided dosing.
RAD-140, RAD
Potent SARM; suppression and hepatotoxicity reported at higher doses.
GW-501516, GW, Endurobol
PPARδ agonist (mislabeled as SARM); improves endurance. Not a hormone.
S23
Suppressive SARM explored for male contraception; short half-life.
EstroGel, E2 Gel
Transdermal estradiol for feminizing HRT. Steady low-level delivery.
E2 Cyp, Depo-Estradiol
Injectable estradiol cypionate used in feminizing HRT.
E2V, Progynon
Injectable estradiol valerate, common in feminizing HRT. Simple model.
Prometrium, Oral P4
Micronized oral progesterone; short half-life with high first-pass metabolism.
Vaginal P4
Vaginal micronized progesterone; bypasses much first-pass metabolism.
Liothyronine, Cytomel, T3
Liothyronine (T3); short half-life requiring divided dosing.
2,4-Dinitrophenol
Industrial mitochondrial uncoupler; extremely hazardous with documented fatalities. For harm-reduction reference only.
Anastrozole, Adex, AI
Non-steroidal aromatase inhibitor; used to control estradiol on-cycle. Over-suppression risk.
Exemestane, Exe, Suicidal AI
Steroidal (suicidal) aromatase inhibitor; permanently inactivates aromatase enzyme.
Clen
β2-agonist bronchodilator used off-label for fat loss; cardiac stimulation risk.
Tamoxifen, Nolva, SERM
SERM used in PCT and on-cycle gynecomastia management. Active metabolite endoxifen.
Clomiphene, Clomid, SERM
SERM that blocks hypothalamic estrogen receptors, boosting LH/FSH; primary PCT agent.
Caber, Dostinex
Dopamine D2 agonist used to manage prolactin elevation (e.g. on 19-nors).
Letro, Femara
Potent non-steroidal AI; highest estrogen suppression of the three common AIs.
Bystolic
β1-selective blocker with nitric-oxide-mediated vasodilation; BP management on-cycle.
Micardis
Angiotensin II receptor blocker; PPAR-γ activity may improve lipid profile on-cycle.
Cialis
Long-acting PDE5 inhibitor; also used off-cycle for BPH/endothelial support.
Human Chorionic Gonadotropin, Choragon
Human chorionic gonadotropin; mimics LH, used on-cycle and in PCT to preserve testicular function.
HGH, Somatropin, GH
Recombinant growth hormone; supports lipolysis, recovery, IGF-1 elevation.
Ozempic, Wegovy, Sema
Long-acting GLP-1 receptor agonist for type 2 diabetes and weight loss; weekly injection.
Rybelsus, Oral Sema
Oral semaglutide with very low bioavailability; taken fasting.
Mounjaro, Tirz, Zepbound
Dual GIP/GLP-1 agonist for weight loss and diabetes; weekly injection, strong efficacy.
Reta, Triple-G
Triple-agonist (GLP-1/GIP/glucagon) investigational peptide; very potent weight loss.
Maz, GLP-1/GCG
GLP-1/glucagon dual agonist; long half-life, weekly dosing.
Cagri
Long-acting calcitonin/amylin analog used with semaglutide (CagriSema) for obesity; weekly injection.
Trulicity, Dula
Long-acting GLP-1 agonist for type 2 diabetes and weight loss; weekly subcutaneous injection.
Symlin
Synthetic amylin analog used at mealtimes to slow gastric emptying and aid glycemic/weight control.
Survodu, BI 456906
Investigational dual GLP-1/glucagon receptor agonist for obesity and MASH; weekly injection.
5-amino-1MQ, 1MQ, 5-Amino-1-methylquinolinium
Small-molecule NNMT inhibitor investigated for fat loss and metabolic research; limited human data.
FTP peptide
Experimental peptide that targets the blood supply of white fat; research-stage, notable risks.
AOD-9604, HGH Frag, AOD9604, Fragment 176-191
Modified fragment of the growth hormone C-terminus studied for lipolysis without growth effects.
MGF, IGF-1Ec
IGF-1 splice variant produced in response to mechanical load; involved in muscle repair signaling.
PEG-MGF
Pegylated mechano growth factor with extended half-life versus native MGF; used for recovery research.
Des(1-3) IGF-1, IGF-DES
Truncated, highly potent IGF-1 variant with very short half-life; site-injection research compound.
Long R3 IGF-1, LR3
Long-acting IGF-1 analog engineered to resist binding proteins; muscle-growth research compound.
CJC-1295 DAC, Drug Affinity Complex
Long-acting GHRH analog with a drug-affinity complex that extends half-life to ~6–8 days; weekly dosing.
Mod GRF 1-29, CJC-1295 NO DAC, CJC no DAC
Short-acting GHRH analog (~30 min half-life) usually paired with a GHRP for pulsatile GH release.
Ipamorelin
Selective GHRP secretagogue releasing growth hormone with relatively minimal cortisol/prolactin effect.
GRF 1-29
Bioidentical GHRH fragment used diagnostically and off-label to stimulate endogenous growth hormone.
Egrifta
N-terminally stabilized GHRH analog approved to reduce excess visceral fat in HIV lipodystrophy.
Pralmorelin, GHRP2
Growth hormone secretagogue that acts on the ghrelin receptor to amplify GH pulses.
GHRP6
Ghrelin-receptor secretagogue that increases GH and notably stimulates appetite.
Ibutamoren, MK677, MK 677, Nutrobal
Orally active growth hormone secretagogue (ghrelin receptor agonist) that elevates GH and IGF-1; the non-peptide counterpart to injectable GHRPs.
ActRIIb-Fc
Investigational decoy receptor that sequesters myostatin/GDF-11 to drive muscle growth.
Acadesine, 5-Aminoimidazole-4-carboxamide ribonucleotide
AMPK-activating nucleotide studied as an exercise mimetic for endurance and metabolic research.
Erythropoietin, Epoetin, EPO
Recombinant erythropoietin that stimulates red blood cell production; used clinically and abused for endurance.
Human Menopausal Gonadotropin, Menotropin, Menopur
Human menopausal gonadotropin providing FSH and LH activity; used in PCT and fertility protocols.
GnRH, LHRH
Native gonadotropin-releasing hormone; stimulates LH/FSH release. Pulsatile (not continuous) use matters.
Kisspeptin-10, Metastin
Neuropeptide that drives GnRH release upstream of the HPG axis; researched for hormone restoration.
Body Protection Compound
Gastric-derived peptide widely used off-label for tendon, ligament, and gut healing research.
Thymosin β4, TB500, Thymosin Beta-4 Acetate
Synthetic version of thymosin beta-4 involved in tissue repair, angiogenesis, and recovery.
TB-500 (FRAG), LKKTETQ
Short active fragment of thymosin beta-4 intended to retain the healing motif with faster clearance.
Tα1, Thymalfasin, Zadaxin
Thymic peptide that modulates innate and adaptive immunity; used clinically in some viral hepatitis settings.
Cibinetide
Peptide analog of the erythropoietin helix B region studied for neuropathy and tissue protection.
Elamipretide, Bendavia
Mitochondria-targeted peptide that stabilizes cardiolipin; researched for metabolic and renal disease.
Mitochondrial-derived peptide
Mitochondrial-derived peptide that regulates metabolic homeostasis and AMPK signaling.
Dermorphin
Potent amphibian-derived opioid peptide; research compound for analgesia.
Cerebrolysin
Mixture of low-molecular-weight neuropeptides and amino acids researched for stroke and cognitive recovery.
Cartalax
Peptide bioregulator researched for cartilage and joint tissue support.
Prostamax
Peptide bioregulator researched for prostate tissue support.
Testagen
Peptide bioregulator researched for testicular function and hormonal support.
Vesugen
Peptide bioregulator researched for vascular wall and cardiovascular support.
Levocarnitine, Carnitine
Amino-acid-derived compound involved in fatty-acid transport; injectable form used in "Lipo" mixes.
SLU-PP332, ERR agonist
Estrogen-related receptor agonism ("exercise mimetic") researched for metabolic and endurance effects.
Cholecalciferol, Vitamin D
Cholecalciferol; fat-soluble vitamin important for bone health, immunity, and hormonal balance.
Informational · not plottable
Lemon Bottle
Brand-name lipolysis injection combining riboflavin and other lipotropic ingredients for localized fat.
Lipo-C, LC120
Lipotropic injection of methionine, choline, carnitine, and dexpanthenol used in weight-loss protocols.
Lipo-B, LC216
Lipotropic B-complex/MIC injection (carnitine, arginine, methionine, inositol, choline, B6/B5/B12).
Lipo-C FOCUS, LC425
Energy-focused Lipo-C variant (ATP, Eria jarensis, carnitine, MIC, lidocaine) for weight-loss/energy protocols.
Lipo-C FAT BLASTER, LC526
High-strength Lipo-C blend (carnitine, methionine, inositol, choline, B12, B6, NADH) for fat-loss protocols.
Super Shred
Multi-ingredient lipotropic/thermogenic blend (carnitine, MIC, ATP, albuterol, B12) for weight-loss protocols.
Shred
Standard MIC/B12 lipotropic injection (L-carnitine, B12, B6, inositol, methionine, choline).
Lipo Mino, Lipo Mino Mixals
Lipotropic MIC injection with B-complex (B1/B2/B6) and carnitine for weight-loss support.
Super Human Blend
Amino-acid recovery blend (arginine, ornithine, citrulline, lysine, glutamine, proline, taurine, carnitine, NAC).
