Since the 1930s, 17-Methyltestosterone has grabbed attention among scientists and industry alike. Chemists looking to boost testosterone’s effectiveness figured out that putting a methyl group at the 17th carbon changed everything: the new molecule lasted longer in the body and could be taken orally without losing its strength. World War II ramped up research. Soldiers and patients needed something to maintain muscle and drive in hard conditions. Not long after, pharmaceutical companies jumped in, bringing this synthetic hormone into production for medical use. These early experiments set the stage for today’s use across medicine, aquaculture, and research, showing that its journey began with old-school innovation and a dash of scientific luck.
17-Methyltestosterone has become a fixture in both pharmacies and laboratories. Doctors use it for hormone replacement, especially in people who can’t make enough testosterone naturally. Fish farmers rely on it to change sex ratios and boost yields, since some species grow better with the right balance of males and females. Bodybuilders and athletes have chased its muscle-building properties, sometimes recklessly. Well-respected medical brands and bulk chemical suppliers both stock it, with the product taking the form of white or off-white crystalline powder, tablets, or sometimes mixed in oils for injection. Each source traces back to a deliberate effort to capture testosterone’s benefits while sidestepping its natural limits.
Look at 17-Methyltestosterone under a microscope and it shows off sharp, needle-like crystals. It doesn't smell and you won’t find it dissolving in water much, but mix it with oils, alcohol, or chloroform and it melts right in. The molecule’s formula, C20H30O2, comes with a single methyl tweak that makes it unique. With a melting point around 162–167 degrees Celsius and a molecular weight of about 302.45 g/mol, it’s a solid chemical by every lab standard. Its low water solubility shapes how the body absorbs and processes it, forming the backbone of its pharmaceutical behavior.
Manufacturers label 17-Methyltestosterone with details about purity, often hitting 98% or better. Impurities, moisture, and heavy metals get scrutinized. Pharmaceuticals stamp each packet with dosage, batch number, and expiration dates for safety. Every bottle gives information about storage—cool, dry, away from light—guarding against breakdown. Each country adds regulatory codes, health warnings, and sometimes, anti-doping provisions. Even a single missing label risks heavy penalties, not just lost trust, so companies handle documentation as seriously as formulation.
Industrial-scale production usually starts with plant-based sterols like diosgenin, plucked from wild yams. Chemists convert these raw materials into progesterone, tweak them through a cascade of steps—oxidation, methylation, reduction, and purification—until 17-Methyltestosterone emerges. Each step demands precise conditions. One missed temperature or faulty reactant and the yield drops or impurities sneak in. Advances in green chemistry nudge factories away from harsh solvents and waste, cutting the environmental impact. For many, the struggle remains finding cheaper, cleaner ways to make a highly regulated compound at scale.
Researchers chase new derivatives by modifying the 17-methyl group or swapping pieces of the steroid backbone. Halogenation, esterification, and reduction create analogs with greater potency, better oral absorption, or fewer side effects. Small tweaks sometimes deliver big changes in biology—turning a muscle-builder into a compound used in hormone therapy or contraception. The reaction chemistry behind 17-Methyltestosterone connects tightly to the pharmaceutical pipeline, making it not just a medicine but a foundation for innovation. Those who’ve worked in steroid chemistry can confirm that every new analog—or failed batch—reshapes how the next version gets built.
In the marketplace and among scientists, 17-Methyltestosterone goes by many names. Pharmacies recognize it as Methylandrostenolone, Metandren, Androral, and Android. Research journals and textbooks use the short form MT, or cite IUPAC nomenclature to prevent confusion in structural debates. In aquaculture circles, it’s often just called methyltest, the go-to for boosting fry and fingerling growth in fish farms. Buyers and regulators can trace the same substance under dozens of brand and trade names, all pointing back to this pioneering synthetic steroid.
Working with 17-Methyltestosterone never happens without gloves, goggles, and strict adherence to safety sheets. Lab workers learn fast: inhaling powders or getting even a single dose on the skin can cause headaches, hormonal changes, or much worse. Facilities set up fume hoods, regular health checks, and keep spill kits ready. Regulatory bodies demand batch testing—not just for content but also toxic impurities. Disposal involves locked containers, chemical neutralizers, and careful records. The relentless focus on safety grows out of hard lessons learned by earlier generations who didn’t always have today’s knowledge or equipment.
Doctors prescribe 17-Methyltestosterone to treat delayed puberty, hormone imbalances, and sometimes breast cancer or menopausal symptoms. Some clinics, especially in sports medicine and aging, tap into its ability to build muscle or maintain bone. Fish farmers, especially those working with tilapia and ornamental species, mix it into feed to control sex differentiation. Unregulated or it seeps into gray markets, with weightlifters and non-prescribed users drawn to its reputation for bulking up. Strict rules govern each field, but the demand—legal or shady—keeps the compound in the spotlight.
The research surrounding 17-Methyltestosterone hasn’t gone quiet after decades of use. Labs keep digging into new delivery methods, like sustained-release implants and patches, to lower side effects and boost patient comfort. Some focus on finding analogs that keep the benefits but slash toxicity. Medical scientists push animal studies, measuring not just muscle growth but also long-term impacts on organs and reproductive systems. Environmental researchers worry about traces in wastewater affecting fish populations downstream from farms. Those who follow the field closely have watched as every small research breakthrough slowly translates to real changes in clinical protocols or regulations.
No responsible summary skips the risks. 17-Methyltestosterone can stress the liver, causing jaundice, tumors, and enzyme changes if doses or exposure climb too high. Endocrine disruption shows up: men may see infertility or shrinking testicles, women can face deepening voices or abnormal hair growth, and kids risk early puberty or growth suppression. Environmental persistence raises flags about fish and amphibian health, as even weak traces leak from livestock and pharmacy waste. Toxicologists run battery after battery of tests—long-term, multigenerational studies—to keep up with new uses and regulatory concerns. Anyone who’s reviewed these papers knows that every new application needs evidence, not just tradition.
The next decade could see big changes. Smart synthesis from renewable plant sources, bioengineered yeast, or even closed-loop recycling could ease tight controls without sacrificing safety. Nanotechnology and targeted delivery could cut side effects and waste. Athletes and bodybuilders see stronger oversight, as anti-doping agencies catch up with chemical tricks. Medical research aims to carve out very specific roles, especially for chronic diseases that don’t respond to standard testosterone. All these paths run through better education, smarter policy, and relentless testing, promising new benefits but always tied to the lessons learned from the long, sometimes turbulent history of 17-Methyltestosterone.
17-Methyltestosterone comes up pretty often in healthcare conversations, especially for doctors who focus on hormones, sports, and fish farming. This synthetic version of the male hormone testosterone has made an impact in medicine and beyond. My first experience with the drug was hearing a story about how it shapes the body and even the lives of people dealing with hormonal disorders. Over time, it became clear to me that its uses ran much broader than a few niche medical cases.
A big reason doctors turn to 17-Methyltestosterone has to do with men whose bodies stop making enough testosterone. This comes up in cases like delayed puberty or hormone deficiency from certain illnesses. People dealing with this lack of testosterone often feel exhausted, unfocused, or find themselves losing muscle. In these cases, taking 17-Methyltestosterone by mouth helps restore energy, mood, and strength by topping up what the body can't produce.
Doctors sometimes give it to women as well. Some women dealing with advanced forms of breast cancer take it because these tumors depend on estrogen, and 17-Methyltestosterone can cut down the impact of estrogen in the body. Patients report that the medication helps with pain and can slow down the growth of some cancers. It's a special approach, and doctors keep a close eye on anyone taking it because of the side effects.
It surprised me the first time I heard about 17-Methyltestosterone being used outside human healthcare. In the world of aquaculture, fish farmers add it to the water or feed for young tilapia. This drug steers the sex of fish populations so that more of them turn out male. Male tilapia grow faster, which means more profit for the farm. At first, this farming trick seemed like a smart business move, but it raised plenty of questions. What happens if this chemical gets into local waterways? Are people who eat these fish at risk?
Research (for example, work by the Food and Agriculture Organization) shows the drug breaks down quickly and there’s little chance that it sticks around in edible fish. Still, experts suggest careful handling and clear separation between fish farms and drinking water sources. For some countries, this subject sparks a heated debate about ethics and safety.
Like so many drugs that boost hormones, 17-Methyltestosterone shows up on the black market. Athletes and bodybuilders sometimes take it for muscle gains or to recover faster from hard training. This sort of use skips doctor advice and brings risks nobody should ignore. High doses can damage the liver, cause wild mood swings, or even mess with the heart. The U.S. Food and Drug Administration, along with sports governing bodies, keeps it on their radar for a reason.
Nearly every doctor I’ve met tells the same story: boosting hormones outside medical guidance invites trouble. Ingredients might be tainted or listed wrong, and side effects can escalate, especially with long-term use. It’s clear that education plays a big part in keeping people safe—more awareness would go a long way, especially for younger people tempted by internet scams.
People looking to use 17-Methyltestosterone should weigh the results with possible downsides. Medical teams urge careful monitoring, blood tests, and regular conversations to catch side effects early. For fish farmers, sticking to strict protocols helps protect local communities and customers. Healthy skepticism and questioning remain valuable, especially with drugs that affect the body on so many levels. Every step forward happens best with good information and experienced support.
17-Methyltestosterone steps up testosterone levels, but the body doesn’t just take it at face value. Hormones touch everything: mood, strength, skin, even how our livers work. For someone wishing to change their hormone profile or boost muscle, the appeal is clear. Trouble is, the “boost” isn’t simple. From personal conversations as a health writer and casual observer at community gyms, the side effects move past the surface. Some users show more aggression and mood swings—stories aren’t just online anecdotes; they show up in real friendships, too.
Methyltestosterone puts pressure on the liver. Elevated liver enzymes aren’t rare in people who take it without medical supervision. Inside clinics, doctors sometimes spot signs like jaundice or fatigue linked to liver stress. People who frequent supplement shops or alternative wellness forums often hear warnings about jaundice or liver toxicity, even from people who support careful hormone supplementation. The liver can regenerate to a degree, but recurring hits increase long-term damage risks. Hepatitis and cirrhosis aren’t just theoretical ideas—they change lives.
Methyltestosterone also shifts cholesterol numbers out of balance. According to reviews in medical journals, low-density lipoprotein (LDL) cholesterol climbs, and HDL drops. These changes build risk over time, especially for heart attacks and strokes. In real-world terms, that friend with sudden chest tightness in their forties who always seemed healthy—sometimes, it starts here.
This synthetic compound tweaks not just strength but also appearance. Acne returns for some, even in adulthood. At the barber shop, some guys laugh about new back acne or hair loss. Deeper voices and increased facial hair in women surprise some, leading to distress and social withdrawal. These changes rarely reverse, even after stopping the hormone.
Testicles can shrink, fertility drops, and natural hormone production may slow down or stop altogether. A lot of people don’t expect these reproductive system impacts until they see fertility doctors. Teenagers using it face disrupted bone growth and short stature, sometimes permanently limiting their adult height.
Mood changes don’t just irritate loved ones. Depression, anxiety, and unpredictable bursts of anger can put relationships at risk. Mental health clinics have seen sharp upticks in these issues tracing back to performance-enhancing drug use. The pill doesn’t just work in the gym or at work—it follows people home.
Doctors warn, and not out of paternalism—most have seen the aftermath. Supervision matters. Bloodwork, liver panels, and cholesterol checks can catch early signs of distress. Opting for lifestyle changes—consistent resistance training, a protein-rich diet, real sleep—remains the path with the fewest regrets and long-term surprises. For those set on using hormones, honest conversations with a knowledgeable, board-certified provider keep health front and center.
Every body responds differently, as anyone who has watched friends experiment or seen stories unfold in online health communities can tell you. Openness, trust in legitimate medical advice, and real respect for what the body gives should be part of the conversation far more often than flashy results or hearsay from message boards.
Growing up playing high school sports, talk about performance boosters circled around the locker room nearly every season. Guys joked about “test” and powders coming off shady websites, but the smarter athletes always eyed the risks. As an adult, questions about testosterone—especially compounds like 17-methyltestosterone—keep bubbling up, just without the bravado. The curiosity is real because this compound sits right at the crossroads of athletic ambition, medicine, and everyday risks most folks don’t see coming.
Anyone can search online and find 17-methyltestosterone for sale, which might make it feel as easy to buy as multivitamins. The reality stays much different. In the United States and most developed countries, the law treats this compound as a controlled substance. This isn’t just red tape—it’s there because this synthetic form of testosterone rolls out some heavy-duty effects and hazards. So yes, a prescription stands as a hard rule if someone wants it legally.
Doctors prescribe 17-methyltestosterone to treat specific medical problems, like delayed puberty in teenage boys or certain types of breast cancer in women. That prescription provides both a legal pathway and a framework for safer use. The FDA and Drug Enforcement Administration (DEA) both track cases because misuse can cause health problems: mood swings, liver issues, heart strain, and unexpected changes in cholesterol.
Some might say drug laws get in the way, but there’s good reason for these rules. Testosterone—especially synthetic versions like 17-methyltestosterone—does more than just boost athletic muscle and energy. The hormone shapes everything from bone strength to mood. Too much, used the wrong way, sets off real damage. Think high blood pressure, liver toxicity, and chronic heart conditions. Emergency rooms see plenty of cases where black-market hormone use triggers damage that might have been avoided through medical guidance.
Evidence shows unauthorized testosterone sales fuel not only health risks but also a shadow market that often sells contaminated or counterfeit products. These can contain impurities, heavy metals, or even off-label drugs that might not show up until it’s too late. This black market pressure extends beyond athletes: even everyday men chasing anti-aging fixes can fall for risky deals.
Access to prescription hormones is rooted in more than paperwork: experienced health providers weigh each person’s health, family history, and potential complications. Hormone therapy can transform lives, but only when it gets matched to real need—and only when follow-up care keeps an eye on side effects. Over the past decade, I’ve seen friends head down rabbit holes on forums, talking each other into unsupervised testosterone cycles. Plenty end up with deeper health issues and regret not taking the doctor route.
There’s another angle here: education. Most young men I’ve talked to never learned what hormone use means for their long-term health. Schools barely touch it, and family doctors don’t always spot the warning signs of misuse. Real progress happens when communities open up honest conversations about hormones—their power, the limits, and the risks of skipping medical support.
Buying 17-methyltestosterone legally hits a wall without a prescription. This rule keeps people safer and keeps the healthcare system in the loop, so doctors can catch trouble before it snowballs. For anyone considering testosterone supplements or therapy, a doctor’s door makes for a better first stop than a click on an unregulated website.
There’s a lot of talk out there about 17-Methyltestosterone, especially among athletes, bodybuilders, and folks searching for an edge. It's a synthetic form of testosterone, mostly prescribed to treat low testosterone in men or certain hormone issues in women. People sometimes turn to it for faster muscle gains or to manage symptoms of hormone imbalance. I’ve seen the lure up close: a few friends dabbled with over-the-counter testosterone boosters, caught up in promises of quick fixes. The reality always lands harder than the hype.
Doctors don’t just hand this drug out like candy. They consider age, weight, health history, and the specific reason for needing hormone therapy. For adults, doses range from 10 to 50 mg daily, but only after real bloodwork confirms low testosterone. Any self-medicating is a gamble — hormones mess with bones, heart, liver, and mood. In clinics, physicians monitor side effects and adjust the plan if problems crop up.
People sometimes forget that kids and teens need even more care. Some doctors use low-dose 17-Methyltestosterone in boys with delayed puberty, always starting at the lowest effective dose. Any hormone therapy for children must be closely watched, because developing bodies don’t handle adult-sized hormone changes well.
The black market and bodybuilding scenes tell a different story. Tablets sold online or at gyms look tempting, especially for those impatient about getting buff. Skipping the doctor means missing medical checks. Liver strain, cholesterol spikes, behavior changes — all real risks tied to improper dosing. In the worst cases, these drugs raise blood pressure, jack up aggression, or trigger dangerous heart rhythms. Liver toxicity happens, too; oral forms of testosterone like this one pack a punch on filtering organs.
The FDA cleared 17-Methyltestosterone only for certain medical conditions. Every legal prescription comes with lab tests and regular check-ins. Some studies—like those summarized by journals tied to endocrinology societies—have shown that just 10 mg more per day than prescribed can tip the risk scale. Unregulated use won’t make someone healthier, just more vulnerable to long-term harm. The reality is, 17-Methyltestosterone serves a real purpose for patients who truly need it, but nobody benefits from guessing at the dose.
Talking with a healthcare provider keeps people safe. Endocrinologists walk through risks, watch for side effects, and explain why a slow approach reduces harm. They also offer alternatives that might fit better, depending on the body and medical background. Insurance sometimes covers medications that patients actually need, provided a specialist signs off.
There’s plenty of talk about biohacking, boosting testosterone, or beating nature. None of those internet rabbit holes replace science. Better sleep, good nutrition, and regular physical activity support the body’s own hormone production. For anyone needing medical treatment, listening to doctors and sticking to prescribed doses always wins over quick fixes.
Years of keeping up with health stories and meeting people on hormone therapies have taught me something: mixing medicine often brings more problems than anyone expects. 17-Methyltestosterone’s often prescribed to support testosterone levels or treat certain conditions in both men and women. If this hormone’s on the table, conversations about drug interactions and safety can’t get brushed aside. It’s not just a matter for endocrinologists or pharmacists—the choices ripple through daily routines and impact how someone feels for weeks, months, even years.
17-Methyltestosterone processes through the liver, same as many common prescriptions and even some over-the-counter painkillers. You don’t want to pile on anything that already tests that organ. Take acetaminophen, for example—abused by folks chasing quick pain relief, infamous for turning toxic when mixed with other liver-metabolized substances. Statins show up in millions of medicine cabinets and move through a similar metabolic path. Juggling those with 17-Methyltestosterone can heighten liver strain to the point of damage.
The older crowd frequently deals with high blood pressure or heart rhythm issues, leading to blood thinners or antihypertensives making up half their daily pillbox. There’s good evidence that androgens like 17-Methyltestosterone can boost the effect of blood thinners, ramping up the risk of bleeding. Regular checks for bruising, gum bleeding, or even blood in stool matter far more than they should. Diuretics, ACE inhibitors, and beta-blockers sometimes get affected too, raising or lowering blood pressure unpredictably.
Anyone living with diabetes needs to tread especially carefully. Testosterone can alter blood glucose, sometimes pushing it lower and sometimes nudging it upward. Oral diabetes medicines or insulin don’t blend with unpredictable hormonal swings. Folks might notice shaky hands, confusion, or intense hunger, all signs of blood sugar readings outside safe zones. Keeping a closer eye on blood glucose and reporting unusual swings to a doctor isn’t a suggestion—it ought to be a habit.
Therapies for mood or neurological issues show up in nearly every friend group I know. Certain antidepressants and antiepileptic drugs get metabolized in the same system as 17-Methyltestosterone. Levels of either drug can jump or plummet, shifting side effects or making mood regulation tougher. Adding hormones sometimes sharpens anxiety, irritability, or even rare signs of aggression, so checking in with mental health teams isn’t optional.
Electronic medical records and pharmacy alerts help flag dangerous combinations, but nothing beats open talk between patient and prescriber. Updating medication lists—even herbal teas and daily vitamins—goes hand-in-hand with safe hormone use. Liver enzyme tests, regular blood pressure and blood sugar checks, and check-ins about mood or behavior build a safety net sturdy enough to catch most problems before they turn life-altering. There’s no place for assumptions or secrecy: honesty protects you.
These conversations give people the shot at feeling better—not just trading one symptom for another.
| Names | |
| Preferred IUPAC name | 17β-Hydroxy-17α-methylandrosta-4-en-3-one |
| Other names |
17-alpha-Methyltestosterone
Methyltestosterone Methyltest MT Methandren Oreton Testred |
| Pronunciation | /ˌsɛvənˈtiːn ˌmɛθ.ɪl.tɛsˈtɒn.ɪs.tə.roʊn/ |
| Preferred IUPAC name | (17β)-17-Hydroxy-17-methylandrost-4-en-3-one |
| Other names |
17α-Methyltestosterone
MT 1-Testosterone 17alpha-methylate 17β-Hydroxy-17α-methylandrosta-4-en-3-one Methandren Metandren Oreton Testred Virilon |
| Pronunciation | /ˌsɛvənˈtiːn ˌmɛθ.əl.tɛsˈtɒn.ə.stə.roʊn/ |
| Identifiers | |
| CAS Number | 58-18-4 |
| Beilstein Reference | 1365750 |
| ChEBI | CHEBI:38735 |
| ChEMBL | CHEMBL1485 |
| ChemSpider | 71396 |
| DrugBank | DB06710 |
| ECHA InfoCard | ECHA InfoCard: 100.000.118 |
| EC Number | 200-175-5 |
| Gmelin Reference | 68012 |
| KEGG | C02152 |
| MeSH | D008770 |
| PubChem CID | 5875 |
| RTECS number | PF9600000 |
| UNII | 8MKA6VK8IK |
| UN number | UN1230 |
| CAS Number | 58-18-4 |
| Beilstein Reference | 1720814 |
| ChEBI | CHEBI:38631 |
| ChEMBL | CHEMBL1200319 |
| ChemSpider | 7427 |
| DrugBank | DB06710 |
| ECHA InfoCard | The ECHA InfoCard of product '17-Methyltestosterone' is: **"100.037.809"** |
| EC Number | 1.14.99.43 |
| Gmelin Reference | 7632 |
| KEGG | C02336 |
| MeSH | D008772 |
| PubChem CID | 9552 |
| RTECS number | PF7875000 |
| UNII | 7C56706E65 |
| UN number | UN1230 |
| Properties | |
| Chemical formula | C20H30O2 |
| Molar mass | 302.451 g/mol |
| Appearance | White or almost white crystalline powder |
| Odor | Odorless |
| Density | 1.13 g/cm³ |
| Solubility in water | Slightly soluble in water |
| log P | 3.92 |
| Vapor pressure | 2.5E-07 mmHg at 25°C |
| Acidity (pKa) | 12.93 |
| Basicity (pKb) | 7.94 |
| Magnetic susceptibility (χ) | -6.1×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.561 |
| Viscosity | Viscous liquid |
| Dipole moment | 2.30 D |
| Chemical formula | C20H30O2 |
| Molar mass | 302.451 g/mol |
| Appearance | White or almost white crystalline powder |
| Odor | Odorless |
| Density | 1.13 g/cm³ |
| Solubility in water | Slightly soluble in water |
| log P | 3.47 |
| Vapor pressure | 5.16E-08 mmHg at 25°C |
| Acidity (pKa) | 12.36 |
| Basicity (pKb) | 3.14 |
| Refractive index (nD) | 1.607 |
| Viscosity | Viscous liquid |
| Dipole moment | Dipole moment: 2.35 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 252.6 J mol⁻¹ K⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -8021 kJ/mol |
| Std molar entropy (S⦵298) | 480.5 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | −511.6 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -8014 kJ·mol⁻¹ |
| Pharmacology | |
| ATC code | G03BA03 |
| ATC code | G03BB01 |
| Hazards | |
| Main hazards | May impair fertility; Harmful if swallowed; Causes skin irritation; Causes serious eye irritation |
| GHS labelling | GHS labelling for 17-Methyltestosterone: "Warning; H302, H361, H315, H319, H335, P201, P202, P264, P270, P280, P308+P313, P405, P501 |
| Pictograms | GHS06, GHS08 |
| Signal word | Danger |
| Hazard statements | H360fd: May damage fertility. May damage the unborn child. |
| Precautionary statements | P201, P202, P260, P264, P270, P272, P280, P302+P352, P308+P313, P405, P501 |
| NFPA 704 (fire diamond) | Health: 2, Flammability: 1, Instability: 0, Special: - |
| Flash point | > 235°C |
| Lethal dose or concentration | LD50 (rat, oral): 2930 mg/kg |
| LD50 (median dose) | LD50 = 1320 mg/kg (rat, oral) |
| REL (Recommended) | 2 mg |
| GHS labelling | GHS05, GHS07, GHS08 |
| Pictograms | GHS06,GHS08 |
| Signal word | Warning |
| Hazard statements | H360: May damage fertility or the unborn child. |
| Precautionary statements | P201, P202, P260, P264, P270, P272, P273, P280, P281, P301+P312, P302+P352, P304+P340, P308+P313, P308+P311, P321, P330, P332+P313, P362+P364, P405, P501 |
| Flash point | > 185.8 °C |
| Lethal dose or concentration | LD50 (rat, oral): 2939 mg/kg |
| LD50 (median dose) | 50 mg/kg (oral, rat) |
| PEL (Permissible) | PEL (Permissible Exposure Limit) for 17-Methyltestosterone: 0.005 mg/m3 |
| REL (Recommended) | 25-50mcg/kg daily |
| Related compounds | |
| Related compounds |
Testosterone
Methyltestosterone Ethisterone Norethisterone Oxandrolone Methandriol Stanozolol Fluoxymesterone |
| Related compounds |
Testosterone
Methyltestosterone Norvinisterone |
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