How Much Water Do You Need? So how much water should you drink before, during, and after a workout? First, make sure youâre well hydrated to begin with. Drink fluids throughout the day before you exercise. Then follow this formula from Melton: One to two hours before your workout, drink 15 to 20 ounces of water
opiate oÂ·piÂ·ate (Å'pÄ-Ä­t, -Ät') n. Any of various sedative narcotics that contain opium or one or more of its natural or synthetic derivatives. A drug, hormone, or other chemical substance that has sedative or narcotic effects similar to those containing opium or its derivatives. Also called opioid. adj. Of or containing opium or any of its derivatives. Resembling opium or its derivatives in activity. Inducing sleep or sedation; soporific. v. oÂ·piÂ·atÂ·ed, oÂ·piÂ·atÂ·ing, oÂ·piÂ·ates (-Ät') To subject to the action of an opiate.
An opioid antagonist is a drug that binds itself to receptors in the brain and blocks the ability of the brain to respond to opiate use.