Unlike other similar-looking products on the market, Hammer Gel’s complex carbohydrates, all-natural ingredients, and pH-balancing formula are easily digestible and provide quick-acting yet long-lasting energy in a convenient, tasty, concentrated form. The addition of branched-chain amino acids helps to prevent muscle tissue breakdown while reducing fatigue. Hammer Flask holds 5-6 servings. Only Espresso and Tropical flavors contain caffeine, 50 mg for Espresso, and 25 mg for Tropical per serving. All flavors are Vegan Certified except Nocciola. All flavors are Kosher Certified except for Nocciola which is Kosher Dairy.