GNC AMP Mass XXX and BSN True Mass both serve those seeking substantial muscle gains and increased caloric intake. GNC AMP Mass XXX provides 50g of protein, 130g of carbs, and additional creatine and HMB, making it ideal for muscle maintenance and growth. BSN True Mass offers 46g of protein, 87g of carbs, and includes a blend of fast and slow-digesting proteins, along with added MCTs for energy.
GNC AMP Mass XXX is the winner due to its higher protein content and inclusion of creatine and HMB, providing a more comprehensive approach to muscle growth and recovery.
For more detailed reviews, you can visit GNC AMP Mass XXX and BSN True Mass.