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Exercise effect on blood sugar - fed vs unfed
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<blockquote data-quote="Sapien" data-source="post: 2074087" data-attributes="member: 507939"><p>Since I started testing my blood sugar at home, I have noticed that it drops more during exercise if I have recently eaten some carbs than if I exercise on an empty stomach. </p><p></p><p>One day I tested in the afternoon 4 hours after last eating and was at 5.2 mmol (94 mg/dL). I ate a sandwich with whole grain/seed bread and almond butter. (Bread 34 g net carbs, 10 g fiber). I waited an hour and tested at 6.1 (110). Then I exercised (sprinting then walking in intervals for about 30 minutes. I tested after exercise and blood sugar was 4.0 (72). </p><p></p><p>The next day I tested about the same time and was 5.3 (95). This time I ate nothing and did the same exercise routine. Afterwards my blood sugar was 5.0 (90). Barely changed. </p><p></p><p>Has anyone else experienced a similar phenomenon? </p><p></p><p>Previously I noticed that when I exercise in the morning (fasted) that I see little change in blood sugar, but in the evening (usually after some food) my blood sugar drops substantially after exercise. </p><p></p><p>It seems like eating some carbs puts my body into sugar burning mode.</p></blockquote><p></p>
[QUOTE="Sapien, post: 2074087, member: 507939"] Since I started testing my blood sugar at home, I have noticed that it drops more during exercise if I have recently eaten some carbs than if I exercise on an empty stomach. One day I tested in the afternoon 4 hours after last eating and was at 5.2 mmol (94 mg/dL). I ate a sandwich with whole grain/seed bread and almond butter. (Bread 34 g net carbs, 10 g fiber). I waited an hour and tested at 6.1 (110). Then I exercised (sprinting then walking in intervals for about 30 minutes. I tested after exercise and blood sugar was 4.0 (72). The next day I tested about the same time and was 5.3 (95). This time I ate nothing and did the same exercise routine. Afterwards my blood sugar was 5.0 (90). Barely changed. Has anyone else experienced a similar phenomenon? Previously I noticed that when I exercise in the morning (fasted) that I see little change in blood sugar, but in the evening (usually after some food) my blood sugar drops substantially after exercise. It seems like eating some carbs puts my body into sugar burning mode. [/QUOTE]
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