Magnesium citrate is considered a safe supplement for most people to use for constipation, Dr. Farhadi says. However, there ...

Magnesium citrate: This can be taken at any time of day. It tends to work within a few hours, so taking it early in the day can help prevent sleep disruptions if you're using it for constipation.

Medically reviewed by Alex Yampolsky, PharmD Magnesium is an important mineral that supports your heart and muscles and helps maintain strong bones. Your body also uses magnesium to produce energy and ...