D-Mannose 500 mg GPH Capsules D-Mannose, an isomer of D-glucose (dextrose), is a simple sugar and is available in convenient 500 mg GPH capsules. This dietary supplement is gluten-free, lactose-free, and yeast-free, making it ideal for people who want to incorporate this simple sugar into their daily diet. Application recommendation It is recommended that adults take 4 capsules daily with plenty of water before bedtime. At least one hour should be allowed between taking the capsules and meals. Important instructions These capsules are specially designed for people with gluten, lactose or yeast intolerance and can easily be integrated into their daily diet. Gluten-free, lactose-free and yeast-free The simple sugar form of D-glucose Best time to take: in the evening with plenty of fluids Time between meals: at least one hour