Optimum Nutrition Muscle Recovery and Endurance Supplement for Men and Women, Zinc and Magnesium Supplement, 180 Count

Customers find this mineral supplement effective for recovery, particularly after grueling workouts, and appreciate its quality and value for money. They report better sleep and vivid dreams, with one customer noting muscle growth and repair occur during sleep. While some customers say it doesn’t cause stomach issues, others mention it can cause diarrhea in the morning.

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