| We know that insulin resistance is a condition that is | | | | occurred in animals with a diet high in the |
| a precursor to diabetes, but we’re still filling in | | | | branched-chain amino acids, but only if they were |
| the pieces as to the blood chemistry of those obese | | | | ingested along with a high level of fat in the diet. |
| people who actually develop insulin resistance. One | | | | Because obese humans tend to ingest high-fat |
| recent study out of Duke has found that these | | | | diets, the combination of high-BCAA and high-fat |
| obese people have been found to hold onto proteins | | | | intake might contribute to insulin resistance in obese |
| called branched-chain amino acids (BCAAs), which are | | | | humans. BCAAs comprise as much as 25 % of amino |
| found in high levels in meat products, at far higher | | | | acids in dietary protein, and are particularly enriched in |
| levels than non-obese people and there’s a | | | | diets high in animal (meat) proteins. |
| suspicion that these amino acids, in combination with | | | | So what do we do with all of this great information? |
| a high-fat diet, may be contributing to insulin | | | | Well, the animal data suggest that there is nothing |
| resistance. The team found that the BCAA | | | | wrong with obtaining protein from sources that are |
| signature in obese humans consisted of the | | | | high in branched-chain amino acids, as long as you are |
| branched-chain amino acids plus a cluster of several | | | | not eating beyond what your energy needs are, |
| products related to the body's breakdown processes | | | | meaning, if you add a lot of unneeded protein to a |
| for BCAA. | | | | fatty diet, perhaps that's where you get into |
| Apparently this overload causes changes at the | | | | problems. So either you burn up the fat and use |
| cellular level that can lead to insulin resistance; the | | | | the protein for muscle building in the gym, or follow |
| scientists found specifically that insulin resistance | | | | the old rule of thumb: eat everything in moderation. |