Bluebonnet Nutrition Magnesium Glycinate 400mg Maximum Absorption Mineral Complex Supports Energy Production & Enzyme Function – Non-GMO, Soy-Free, Gluten-Free – 120 Veggie Capsules

Customers find this magnesium supplement to be of good quality and effective for sleep, with one noting it works better than melatonin. The product receives mixed feedback regarding side effects, with some saying it doesn't upset their stomach while others report heartburn. Customers disagree on the value for money, with some considering it a great value while others find it expensive. The serving size and swallowability also receive mixed reviews, with some finding it easy to take while others note the need for four large capsules.