Dissolve the magnesia powder in 200 ml of water. Must go all the crystals, otherwise you can start strong nausea that often ends with vomiting.
Take a solution of magnesia on an empty stomach. If the stomach has not digested fat, the drug simply does not work.
If you have problems with the stomach, dissolve magnesia in a similar way in the water and do enema. The dose should correspond to the recommended proportions.
The dose of the drug:

Adults take 15-25 g of powder of magnesia diluted in water 1 time per day.

Children over 12 years: 10 g of drug 1 time per day. You need to dissolve in 100 ml of water.

Children 6-12 years should take 5-10 grams of magnesia, 1 per day. It is better to dissolve 10 g in 100 ml and divided into two parts.