4. KOS Organic Plant-Based Protein Powder KOS protein powder is sourced from pea, flax seed, quinoa, pumpkin seed, chia seed. It contains 9 grams of carbs and 20 grams of protein per serving.
A new study by Kos and colleagues suggests that the glycoprotein ... its receptor α5β1 integrin to activate the integrin-linked protein kinase (ILK) and increase cell contractility.