Dietary Supplement PGX Patent Pending Purity and Potency Guaranteed PGX Daily supports healthy weight loss and overall good health. It helps lower the glycemic index of your meals and promote healthy blood sugar levels already in normal range. Incorporating PGX into your daily diet will promote satiety, curb food cravings and normalize appetite and metabolism. All Natural Factors products are manufactured in accordance with the Government of Canada's Good Manufacturing Practices (GMP), among the highest standards in the world.