How does mescaline enter your body?

These 'Heads' are then dried to make disk-shaped buttons. Buttons are chewed to produce the effects or soaked in water for an intoxicating drink. However, the taste of the cactus is bitter, so users will often grind it into a powder and pour it in capsules to avoid having to taste it. The usual human dosage is 200-400 milligrams of mescaline sulfate or 178-356 milligrams of mescaline hydrochloride. The average 3-inch (76 mm) button contains about 25 mg mescaline.