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Exercise effect on blood sugar - fed vs unfed
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<blockquote data-quote="LittleGreyCat" data-source="post: 2083968" data-attributes="member: 6467"><p>I think you might be better focusing your thoughts on insulin production; if you eat carbohydrates then your body will produce insulin to control your blood glucose (BG) levels.</p><p>If you are insulin resistant then there may be a delay before your BG level starts to come down and you may over produce insulin.</p><p>The result is then that you end up with too much insulin and your BG goes lower.</p><p>This in turn may prompt a bit of a liver dump to bring your BG back up.</p><p></p><p>So what I think is happening is that you are eating carbohydrates, producing a bit too much insulin, then undershooting a little.</p><p></p><p>If you are not eating then there is no carbohydrate to process and not much insulin being produced so your BG level should remain relatively stable at rest and at exercise.</p><p></p><p>I think the fasted exercising is probably better because the carbohydrate (if you have a time lag before the insulin kicks in) will be spiking your BG levels which is not good. A steady but slightly higher BG level is probably better than a spiking then slightly lower BG level.</p><p></p><p>The end BG level is usually less important than the process you go through to get there.</p></blockquote><p></p>
[QUOTE="LittleGreyCat, post: 2083968, member: 6467"] I think you might be better focusing your thoughts on insulin production; if you eat carbohydrates then your body will produce insulin to control your blood glucose (BG) levels. If you are insulin resistant then there may be a delay before your BG level starts to come down and you may over produce insulin. The result is then that you end up with too much insulin and your BG goes lower. This in turn may prompt a bit of a liver dump to bring your BG back up. So what I think is happening is that you are eating carbohydrates, producing a bit too much insulin, then undershooting a little. If you are not eating then there is no carbohydrate to process and not much insulin being produced so your BG level should remain relatively stable at rest and at exercise. I think the fasted exercising is probably better because the carbohydrate (if you have a time lag before the insulin kicks in) will be spiking your BG levels which is not good. A steady but slightly higher BG level is probably better than a spiking then slightly lower BG level. The end BG level is usually less important than the process you go through to get there. [/QUOTE]
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