Nature's Bounty Complete Protein & Vitamin Shake Mix is a delicious way to drink the nutrients you need most. Each serving contains protein, fiber, collagen, biotin, antioxidant vitamins C & E, calcium, vitamin D, electrolytes, probiotics, and more'to support a wide range of health factors including muscular, digestive, immune, bone, hair, skin, and nail health.(2) Enjoy mouthwatering Vanilla Bean and Decadent Chocolate flavors pre- or post-workout, as a nutritious snack between meals, or any time of day you crave a tasty boost packed with protein and vitamins. This shake mix makes it easy to feel beautiful and support your wellness from the inside out.(2) For nearly 50 years, Nature's Bounty has been making trusted products backed by science and made with only the purest ingredients assured. So you can get the most out of life every day. Our dedication to quality, consistency, and scientific research has resulted in vitamins and supplements of unrivaled excellence.