GNC Total Lean Energy Shake is a dietary supplement with both natural and artificial chocolate fudge flavors. It offers a blend of 170 calories, 30 grams of protein, and 6 grams of fiber per serving. Additionally, this shake provides 200 mg of caffeine. It is gluten-free and contains a bioengineered food ingredient. The product is designed as a high-protein meal replacement and includes a thermogenic blend.