GNC AMP Mass XXX Protein Powder | Muscle Building and Workout Support Formula | Cookies and Cream | 13 Servings

GNC AMP Mass XXX is a clinically proven strength and mass gainer formulated to fuel your fitness goals^*. With 780+ nutrient-dense calories per 4-scoop serving, it provides the nutritional foundation to support muscle growth and performance.

This mass gainer packs 50g of high-quality, fast, medium, and slow-digesting protein to provide sustained fuel for your working muscles, recovery, and maximum gains^*. It also delivers 127g of carbohydrates to power energy utilization during training and replenish glycogen stores post-exercise, preventing the body from using protein as energy.

Alongside the robust macronutrient profile, Mass XXX features a specialized Power Plus Blend. This includes clinically dosed BETAPOWER betaine to support power and enhance athletic performance^, as well as a creatine blend to fuel high-intensity exercise and promote muscle protein synthesis^.

Furthermore, the unique MyoTOR herbal blend has been clinically proven to improve muscle strength with as little as half the exercise in just 2 weeks^*. Complementing this, the formula contains a creatine precursor amino blend of L-Arginine, L-Glycine, and Micronized L-Methionine, essential for creatine synthesis.

The Micronized Amino Acids in Mass XXX also provide key building blocks for muscle growth and recovery. Micronized L-Glutamine supports protein synthesis, while Micronized L-Arginine and Micronized L-Leucine are crucial for fueling performance, gaining mass, and maintaining protein balance^*.

Taken together, this comprehensive formula delivers clinically proven benefits to support your mass-gaining and performance goals. Consume 1-2 servings daily, with one serving post-workout on training days, to experience rapid results in as early as 2 weeks^*.

When combined with a high-calorie diet and appropriate strength training, the scale will start to move, and you can expect weight gain and muscle growth^. Additionally, the Power Plus Blend and Micronized Amino Acids will provide beneficial muscle fuel for intense training, allowing you to experience up to 40% fewer sets for max performance^.

Confidence in your training will grow as you notice improvements in muscle recovery and feel the pay-off of your consistency. The mass is on, and you're feeling bigger, stronger, and fitter, ready to take on your next fitness challenge!

Backed by clinical studies and certified Banned Substance Tested, GNC AMP Mass XXX is a trusted mass gainer formulated to help you gain muscle without compromise. Try it today and take your fitness to new heights^*.

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