Rich in Antioxidants | May Decrease Inflammation. May Decrease Inflammation | Supports Weight Control May Help Lower Blood Pressure | Supports Healthy Aging | Supports Good Brain Function Walnuts are High in Protein | Walnuts are a Vegan Source of Omega-3 Fatty Acids | Walnuts Contain High Amounts of Fiber Walnuts Contain High Amounts of Fiber | Walnuts are High in Phosphorus | Bioavailable Vitamin B6 | Powder like substances can be found in pack it is natural as it happens due to the broken pieces of Walnuts in Transit Simply sort out the walnuts from Powder. Refrigerate Walnut For Long Life and Fresh Taste.