Separate medical use from non-medical use
Anabolic steroids are medicines with specific medical uses. Using them without medical supervision for physique or performance carries risks that a gym routine or a product seller cannot assess for you. They are different from creatine and from ordinary protein foods.
The NHS describes risks including heart attack or stroke, liver or kidney problems, hormonal and fertility effects, and changes in mood or behaviour. Sharing injection equipment also carries infection risks. Looking healthy or performing well does not rule out harm.
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