Natural Factors Micronized L-Glutamine Amino Acid 5,000 mg, 90 Servings

Customers find this glutamine supplement to be of good quality and effective for gut health, noting it helps with stomach healing and muscle recovery after workouts. The product dissolves quickly in both hot and cold beverages, with one customer mentioning it melts well in coffee. Opinions about taste are mixed, with some saying it doesn't have a taste while others find it awful. Similarly, effectiveness receives mixed feedback, with some saying it really works while others report it doesn't work for them.