Source Naturals Magnesium Citrate 133mg 180 Capsules is the economy size of this highly absorbable magnesium supplement — a 6-month supply at 1 capsule per day. Magnesium citrate is one of the most bioavailable forms of magnesium, supporting muscle relaxation, cardiovascular health, energy production, and stress resilience across 300+ enzymatic reactions.*

Suggested Use: As a dietary supplement, take as directed.