20g Protein for Muscle Maintenance 20% of your recommended daily intake of Vitamin D & 85.4 mg of Magnesium100% batch tested and Informed-Sport accredited Maximuscle Promax bars are a high protein bar to support muscle maintenance and development. Plus they also have added vitamin D & magnesium. Promax bars offer a convenient snack alternative that contains 20 g protein✝ in every great tasting bar. The newly formulated Maximuscle Promax bars have been nutritionally tailored to meet your training needs. For Maximuscle Athletes and Ambassadors, these new bars are the preferred choice - they can go into competition with Each bar is 60g peace of mind, knowing that all of Maximuscle products are screened for banned substances and accredited by the Informed-Sport programme.