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U.S. Anti-Doping Agency (USADA)

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Category: Science

pregnenelone

Pregnenolone: What You Need to Know

Pregnenolone is a hormone naturally produced in the body by the adrenal gland. Pregnenolone is also made from cholesterol, and is the starting material in the production of testosterone, progesterone, cortisol, estrogen and other hormones.

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Stanozolol vial and needle

What is Stanozolol?

Stanozolol is a synthetic steroid derived from testosterone that has anabolic & androgenic properties, & classified as a Schedule III controlled substance.

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Science Spans Generations

USADA Chief Science Officer, Dr. Larry Bowers, & his son Dr. Geoff Bowers will both independently present at the American Chemical Society spring meeting.

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pills spilt out of open pill bottles

Half-Life of a Drug

Determining the half-life of a drug depends on many variables, and it is extremely important that athletes understand the clearance times of medications.

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