20 g protein bar. Gluten-free. Non GMO Project verified. nongmoproject.org. Certified Gluten-Free. Chia & flax seeds. See nutrition information for saturated fat content. The Probar to support your active lifestyle. Looking for a protein bar that resembles nature rather than a science experiment? Good. Because we packed 20 grams of plant protein and plenty of real, recognizable ingredients into this bar. And it does more than build your strength - it boasts chia and flax seeds to keep you going strong. Energy bar. Each serving contains 50 mg of caffeine. www.theprobar.com.