Although we designed both Animal Stak and Animal M-Stak to be natural anabolics, they each work differently. Animal Stak is a natural hormone booster that works with your body to enhance key anabolic hormone levels, including testosterone and growth hormone. Animal M-Stak, on the other hand, works to promote anabolism by increasing protein synthesis, nutrient partitioning, and nitrogen retention while reducing muscle catabolism. In short, Animal Stak can help with performance and strength whereas Animal M-Stak can help with gaining lean mass and size. You can combine the two to get the best of both worlds. Check out both products here.
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