Now Foods Magnesium Citrate is the best supplement on the market with pure citrate. Magnesium citrate is more easily digested and better absorbed than other forms of magnesium. It is crucial for enzyme function; it facilitates energy production by supporting the metabolism of carbohydrates, amino acids, and fats and promotes healthy cardiovascular function. In addition, it provides cognitive and neuromuscular function support and boosts calcium metabolism and bone mineralization. The product contains 120 capsules, which are vegan and vegetarian-friendly.