Item# CICAFF010G 99% pure natural food grade caffeine anhydrous extracted from coffee beans. Measures: 1 ml of caffeine anhydrous: weighs approximately 343 mg Size 1 capsule: holds approximately 171 mg of caffeine anhydrous Size O capsule: holds approximately 233 mg of caffeine anhydrous Size OO capsule: holds approximately 329 mg of caffeine anhydrous Size OOO capsule: holds approximately 469 mg of caffeine anhydrous 75 mg of caffeine anhydrous: contains the caffeine of approximately 1 cup of coffee 10 grams of caffeine anhydrous: contains the caffeine of approximately 133 cups of coffee 28 grams of caffeine anhydrous: contains the caffeine of approximately 373 cups of coffee 100 grams of caffeine anhydrous: contains the caffeine of approximately 1333 cups of coffee Typical dietary supplement dosage: 50-200 mg up to 3 times a day. Do not exceed 600 mg per day. Please note that this is pure bulk powder and does not include capsules. Capsule measurements are given for information purposes only. Capsules may be ordered separately here: http://flowingvisions.ecrater.com/c/619520/herbal-supplies [!brand:flowingvisions!][!mpn:CICAFF010G!]