Vital Procollagen Directions Step 1 : Dilute 1/2 fl.oz. (15ml) of Vital Procollagen in water or juice. (For the exact dosage, use the measuring cup located atop the bottle cap). Step 2: Take it every night before bedtime. Remember that if you fall asleep and then wake up to take it you may not experience the full health benefits. It is best to t..