Ketosis is frequently experienced by low-carb dieters who eat very few carbs. When your glycogen stores are depleted and you require a different energy source, ketosis sets in. As your body breaks down fat for energy, it produces ketone bodies, which you then expel in your urine. Ketone test strips are used by low-carb dieters to make sure they are burning fat and adhering to the diet. There is anecdotal evidence that caffeine may interfere with glucose metabolism, which may impact ketosis.
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Ketosis and Insulin Resistance
Weight gain can result from insulin resistance, which is the incapacity of cells to react to and absorb glucose. By increasing insulin sensitivity, or cells’ capacity to absorb glucose, ketosis reduces insulin resistance. Insulin facilitates the uptake of glucose from the circulation by cells for energy production. You can lose weight by increasing your insulin sensitivity. Insulin resistance may be exacerbated by caffeine.
Insulin Resistance and Caffeine
Although it hasn’t been professionally proved, caffeine may increase insulin resistance, which might make weight loss more challenging and raise your risk of type 2 diabetes. In the August 2004 edition of “Diabetes Care,” published by the American Diabetes Association, researchers from Duke University Medical Center examined how coffee affected insulin sensitivity and blood glucose levels. In contrast to a placebo, this research demonstrated that 250 mg of caffeine increased blood glucose levels after consuming 75 g of glucose but had no effect on fasting blood glucose levels.
Potential Effects
Caffeine may increase blood sugar levels following a carbohydrate-rich meal, but it’s not known if this impact happens following a low-carb meal, such those consumed by low-carb dieters. Furthermore, it’s uncertain if a low-carb dieter’s blood glucose would increase sufficiently to prevent ketosis. The notion that coffee can disrupt ketosis is denied by Lyle McDonald, author of “The Ketogenic Diet: A Complete Guide for the Dieter and Practitioner,” who claims that this hypothesis runs counter to the effects of caffeine that are now recognized.
Considerations
If you experience problems reaching ketosis while on a low-carb diet, you may find out if coffee impacts your blood glucose levels by reducing your intake of caffeine or eliminating it completely and then measuring your ketone levels again.
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