Window Of Opportunity. This window opens immediately after your workout and starts to close quickly. It’s most important to get postworkout nutrition immediately, afterwards. If you feed your body properly while this window is open, you’ll get the complete benefits of your training. Xendurance Protein has •20 Grams Supergrade Protein Blend •4.2 Grams of BCAAs •Lactate - Preferred Energy / Efficient Energy •Essential Electrolytes, Vitamins B6, B12 & D •Natural Vanilla & Chocolate Flavoring 2lb. Bag, contains 30 Servings #xendurance #xenduranceprotein