Respuesta :
Answer:
creatine
Explanation:
Creatine is a drug to boost the body but may some side effects including depression
The coach should suspect that the runner might be taking creatine.
Creatine is a nutritional supplement. Creatine is produced in the liver and can also be found in our diet through eating meat or fish. Creatine is combined with phosphate in our muscles and serves as a readily available source of energy while exercising, especially in the first few minutes of exercise.
Creatine improves performance for a short-duration especially in high intensity exercise like weight lifting, jumping and sprinting.
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