Which form is best for sleep?

Magnesium bisglycinate — absorbed efficiently without causing digestive upset, and the glycine itself is calming.

How much magnesium per day?

A typical reference intake is around 310–420mg. 200–400mg extra as a supplement is safe for healthy adults.

When should I take it?

1–2 hours before bed for sleep; in the morning if the goal is muscle recovery.

Magnesium: The Body's Workhorse Mineral for Sleep and Recovery

Magnesium deficiency is one of the most common yet underdiagnosed mineral shortfalls in the Western world. Symptoms — sleep issues, muscle cramps, tension, heart palpitations — are often mistaken for stress.