MuscleTech is a brand of dietary supplements, marketed by Iovate Health Sciences Inc., which includes Hydroxycut.

[3] In June 2016, MuscleTech's parent Iovate was sued by rival Hi-Tech Pharmaceuticals over Racketeer Influenced and Corrupt Organizations and protein spiking allegations.

[8] In July 2019, MuscleTech launched the Prime Series, a private label sports nutrition line exclusive to Amazon.

[11] MuscleTech's brand ambassadors include actor Henry Cavill,[12] U.S. marathoner Ryan Hall,[13] swimsuit model Camille Kostek,[14] and figure skater Gracie Gold.

[18] In April 2022, a lawsuit was filed alleging containers of MuscleTech powder supplements were sold half empty.