GNC AMP Mass XXX™, Protein Gainer, with Biscuits and Whipped Cream Flavor

You can get more results with each training session when you introduce our product into your nutrition program.

This protein-rich food supplement is clinically proven to support the growth of lean muscle mass by 40% more in fewer sets.

Enhanced with MyoTOR to increase strength and endurance, plus a creatine blend to support athletic performance and muscle protein synthesis, while micronized amino acids support key processes crucial to muscle growth and repair.

Benefits:

• It helps to increase lean muscle mass, strength, endurance and gain weight;
• With the addition of MyoTOR®, you can see quick results from just 2 weeks of administration;
• Provides 50g of fast, medium and slow digesting protein, along with 500mg of BCAA, 780 calories per serving, plus carbohydrates and healthy fats for science-based nutrition, advanced muscle performance and to help maximize weight gain;
• Includes micronized and non-micronized creatine + ingredients the body uses to produce creatine to help improve training results and support lean protein synthesis ^ *;
• Faster digestion, key amino acids for better muscle fuel to support muscle protein synthesis and key processes crucial to mass gain ^ *;
• Food supplement without gluten;
• No banned substances.

*In an eight-week, randomized, double-blind, controlled 18-subject, 16-subject placebo study in healthy male volunteers, 18 subjects performed 3 sets of daily resistance training (RT) and used the mixture of macronutrients found in our product Mass XXX ™ and 16 subjects performed 5 sets of RT per day without supplements. After eight weeks, the 18 subjects who used this supplement had equal results in terms of body weight, fat-free mass (FFM), muscle strength (MMS) and muscle endurance (ME) with 3 RT sets per day, compared to the control group who completed 5 RT sets per day.

Recommended to be used together with an exercise program.

A randomized, double-blind, placebo-controlled, 8-week study of 118 clinically healthy men who participated in a supervised resistance training program found that those taking MyoTor® had significant increases in average muscle strength in the upper half of the body, average muscle strength in the lower half of the body and muscle endurance after 8 weeks, compared to those who received a placebo performing the same exercise. Improvements in muscle strength have been observed since the first 2 weeks. Men given MyoTor® had greater improvements in muscle strength and endurance than those who took a placebo, but who trained twice as much.

*A randomized, double-blind, placebo-controlled, 8-week trial of 40 clinically healthy men who voluntarily participated in an exercise routine showed that those who administered MyoTor® had significant improvements in half-distance running endurance of the upper and lower parts of the body, in muscular endurance, in arm circumference and a body mass with a low lipid percentage, compared to those who received a placebo, within 8 weeks. Improvements in muscle strength have been observed since the first 2 weeks.

*The product must be consumed as part of a balanced diet.