GNC AMP Sustained Protein and MuscleTech 8-Hour Protein are designed for extended muscle recovery, combining fast and slow-digesting proteins. GNC AMP contains 25g of protein per serving, accounting for 71% of the product, while MuscleTech 8-Hour Protein offers 26g of protein, representing 62% of the product. GNC AMP has a lower carbohydrate content (4g) compared to MuscleTech's 7g, with both products having similar fat content at 1.5g. Each product is formulated to offer steady amino acid release over time, making both effective for recovery.
GNC AMP Sustained Protein takes the win, mainly due to its higher protein content as a percentage of the product and its lower carbohydrate count, making it the better choice for those seeking a higher protein-to-macronutrient ratio for muscle recovery.
For full reviews, visit GNC AMP Sustained Protein Review and MuscleTech 8-Hour Protein Review.