GNC Amp Mass XXX Powder 6.6 lbs, 3 kg

This rock solid GNC AMP Mass XXX gainer is engineered with the ingredients proven to help increase lean muscle mass, weight, strength and endurance

50g of fast- and medium digesting proteins, along with 10g of BCAA, 748 calories, plus 125g of carbohydrates and healthy fats for science-based nutrition

Addition of 3g of creatine may help improve training results.

Micronized amino acids help fuel muscles and might support key processes crucial to the growth and repair of muscles

Gluten-free dietary supplement with zero added sugar

GNC AMP Mass

You can get even more out of every workout session when you make GNC AMP Mass XXX a part of your exercise routine. This protein-packed dietary supplement is clinically proven to help increase lean muscle mass with 40% fewer sets

50g of fast-, medium- and slow-digesting proteins, along with 11g of BCAA, 750 calories, plus carbohydrates and healthy fats for science-based nutrition, advanced muscle performance and to help maximize gains.

Creatine Matrix Blend with 3 forms of creatine may help improve training results and supports muscle protein synthesis

Tri-MG Infusion is an powerful blend that delivers relentless support for athletic performance