Testosterone
The hormone of strength and competition
Summary
Testosterone is usually known as the male hormone, but it is found in both men and women and is a very important chemical that supports muscle growth, bone strength and energy.
In depth
Testosterone is the main androgen (steroid) hormone, made from cholesterol. In men it is produced in the testes and plays a key role in the development of sex-specific characteristics. It has anabolic properties, such as increasing muscle and bone mass. In women it is produced at lower levels (in the ovaries and adrenal glands) and is important for sex drive, mood and energy levels.


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