HERBALIFE NITEWORKS® - Night-time heart nutrition, HERBALIFE NITEWORKS® Night-time heart nutrition Contains L-Arginine,which research shows can help improve nitric oxide levels,which helps to support normal blood circulation. Niteworks® is high in vitamin C and E which are beneficial antioxidants known to help protect cells against free radicals. DETAILS Niteworks® is sold in pots of approx 15 servings. It is designed to be mixed in 25ml of water and taken at night just before sleep. If you would like to order this product or would like a FREE WELLNESS EVALUATION in which I calculate your BMI,% body fat,protein requirements,and more...Book your appointment today!, , Harrogate, 01423 564579.