People get steroids through two broad channels: a legal prescription from a doctor, or illegal sources like online sellers, gym dealers, and overseas suppliers. The route depends on the type of steroid and the reason for using it. Most people searching this question are thinking about anabolic steroids, the kind that build muscle and boost testosterone, but it’s worth noting that corticosteroids (like prednisone) are an entirely different class of drug prescribed for inflammation and autoimmune conditions. This article focuses on anabolic steroids.
Prescription Through a Doctor or Clinic
The legal way to get anabolic steroids in the United States is with a prescription. Doctors prescribe testosterone and related compounds for specific medical conditions, most commonly hypogonadism, a condition where the body doesn’t produce enough testosterone on its own. Other qualifying conditions include delayed puberty in adolescents and muscle-wasting diseases linked to conditions like HIV/AIDS or certain cancers.
The FDA approves testosterone replacement therapy (TRT) only for males with low testosterone caused by a diagnosed medical condition. It does not approve TRT simply because testosterone declines naturally with age. Before prescribing, a provider will typically require two separate morning blood draws to confirm low testosterone levels, along with additional tests for liver function, red blood cell counts, prostate health markers, and hormone levels. Once on therapy, patients need regular follow-up blood work to make sure the treatment isn’t causing harm.
Specialized hormone clinics and men’s health clinics have become increasingly common, and they follow this same diagnostic process. Some operate via telemedicine, shipping medication directly to patients after bloodwork confirms a qualifying diagnosis. The medications prescribed are pharmaceutical-grade, FDA-regulated products like injectable testosterone or, less commonly, oral forms.
Illegal Sources and How They Work
Outside the medical system, most illicitly sold anabolic steroids in the United States are sourced from overseas. The internet is the most widely used channel for buying and selling them, according to the Drug Enforcement Administration. Beyond online marketplaces, steroids reach users through gym-based dealers, unscrupulous pharmacists or doctors willing to write inappropriate prescriptions, and even veterinary supply chains. Compounds originally developed for use in horses and livestock, like boldenone, have a long history of being diverted for human use.
Some users also obtain steroids through what are known as underground labs, small-scale operations that manufacture or repackage raw steroid powders (often imported) into injectable or oral forms. These products have no regulatory oversight, and their labels are frequently inaccurate.
What “Gray Market” Alternatives Look Like
Before 2004, steroid precursors like androstenedione could be purchased legally as dietary supplements. The Anabolic Steroid Control Act of 2004 closed that loophole, making most prohormones illegal under the Controlled Substances Act. The one notable exception is DHEA, which remains available over the counter.
Despite the law, some supplements still contain unlisted prohormones or even anabolic steroids. A study examining 634 nutritional supplements from 13 countries found that 15% contained a prohormone not listed on the label. The FDA warns consumers to be skeptical of any product marketed as a “legal alternative to anabolic steroids.” Products sold under names suggesting steroid-like effects, particularly those promising rapid muscle gain, sometimes contain active compounds that aren’t disclosed on the packaging.
The Legal Consequences
Anabolic steroids are classified as Schedule III controlled substances under federal law, putting them in the same category as ketamine and certain barbiturates. Possessing them without a valid prescription is a federal crime, as is distributing them. State laws vary but generally mirror or add to the federal framework. For someone caught with a personal supply and no prior record, the consequences may be relatively modest compared to higher-schedule drugs, but a conviction still carries the possibility of fines and jail time, and it creates a permanent criminal record.
Black Market Purity and Safety Risks
The biggest practical danger of obtaining steroids illegally is that you have no idea what’s actually in the product. A large systematic review analyzing black market steroid samples found that roughly 36% were outright counterfeit. An additional 37% were substandard, meaning they contained the right compound but in the wrong amount. Combined, that means nearly three out of four black market steroid products fail to match their label.
Among the counterfeits, 24% contained no active ingredient at all. Another 44% were substituted with a completely different substance. Researchers found cases where vials labeled as anabolic steroids actually contained quinine, an antimalarial drug. Injectable products tested for sterility revealed bacterial contamination from skin-dwelling organisms, raising the risk of serious infections at the injection site or in the bloodstream.
Substandard products tended to be under-dosed rather than over-dosed, with about two-thirds containing less of the active ingredient than labeled. This means users who try to compensate by increasing their dose are essentially guessing, with no reliable way to know how much they’re actually taking from one batch to the next.
Corticosteroids Are a Different Story
If you searched this question after being prescribed a steroid like prednisone, dexamethasone, or a steroid inhaler, those are corticosteroids. They work by suppressing inflammation and immune activity, not by building muscle. Doctors prescribe them for a wide range of conditions: asthma flare-ups, rheumatoid arthritis, inflammatory bowel disease, severe allergic reactions, lupus, and many others. They’re available as pills, injections, inhalers, creams, and eye drops. Corticosteroids are not controlled substances and don’t carry the same legal restrictions as anabolic steroids, though they still require a prescription for most forms.