Quick fact. Ready? After about 2 hours of prolonged training is when our body begins to dip into protein as 5-15% of our energy source. These proteins, in particular, are our BCAAs, which are stored in the muscles themselves.
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Quick fact. Ready? After about 2 hours of prolonged training is when our body begins to dip into protein as 5-15% of our energy source. These proteins, in particular, are our BCAAs, which are stored in the muscles themselves.