There is no dietary need for protein powders, and consuming them is actually more harmful the helpful. (nutritionfacts.org)
Due to the increased need for protein when exercising at a higher intensity, studies have estimated that an athlete requires twice as much protein per day as a sedentary person (2). (healthtrends.com)
Many older cats are protein deficient and have a higher need for protein including kidney disease cats. (youngagainpetfood.com)