Go natural with Probar Pbr Fuel Blueberry Bar (12x1.7 OZ). A mouthful of the PROBAR Fuel? Blueberry bar is almost Wonka-esque with its bursting fruit flavors, scrumptious cashews and near magical mix of black and white antioxidant and Omega-rich Chia seeds.. (Note: Description is informational only. Please read the ingredient label on the product for more information and always consult your health professional with any questions prior to use.)