aSquared Nutrition’s maximum strength Magnesium Citrate supplement provides 833mg per serving, with 200 veggie capsules offering up to a 200-day supply. This highly absorbable, vegan-friendly, non-GMO, and preservative-free formula supports digestion, energy levels, muscle and nerve function, bone and heart health, and relaxation while helping regulate calcium and potassium levels. Made in the USA and third-party tested for purity and potency, it promotes overall wellness, normal sleep patterns, and relief from constipation and muscle aches.