Human growth hormone

What is it?

Human growth hormone is a hormone that has an anabolic effect. Athletes take it to improve muscle mass and performance. However, it hasn't been shown conclusively to improve either strength or endurance.

Human growth hormone is available only by prescription and is administered by injection.

Risks

Adverse effects related to human growth hormone range in severity and may include:

• Joint pain
• Muscle weakness
• Fluid retention
• Diabetes
• Vision problems
• Carpal tunnel syndrome
• Impaired glucose regulation
• Enlarged heart (cardiomegaly)
• High blood pressure (hypertension)