Orgain Organic Vegan Protein Powder, Natural Unsweetened - 21g of Plant Protein, 4g Prebiotic Fiber, Low Net Carbs, No Lactose Ingredients, No Added Sugar, Non-GMO, For Shakes & Smoothies, 1.59 lb

What makes this the 1 plant protein powder brand in the U.S.^? Is it the smooth and creamy flavor? The delicious taste without the grit? The fact that it serves up 21 grams* of organic, vegan protein?...