Apple Cider Vinegar Ingestion at Bedtime May Benefit Diabetics
Keywords: DIABETES MELLITUS, TYPE 2 DIABETES, BLOOD SUGAR, BLOOD GLUCOSE, GLYCEMIA - Apple Cider Vinegar, Diet, Acetic Acid
Reference: "Vinegar Ingestion at Bedtime Moderates Waking Glucose Concentrations in Adults with Well-Controlled Type 2 Diabetes," White AM, Johnston CS, et al, Diabetes Care, published ahead of print, published online August 21, 2007. (Address: Carol S. Johnston, PhD, 7001 East Williams Field Road, Mesa, AZ 85212, USA. E-mail: carol.johnston@asu.edu ).
Summary:
In a randomized, crossover, pilot study involving 11 subjects with non-insulin dependent type 2 diabetes (7 women, 4 men), consumption of 2 tablespoons of apple cider vinegar at bedtime was found to reduce morning fasting blood glucose concentrations. For three consecutive days, subjects kept track of their diets and measured their fasting glucose at 7:00am. Subjects were then randomized to receive either apple cider vinegar (2 tablespoons) and 1 ounce of cheese or water and 1 ounce of cheese, at bedtime. This was followed by a 3-5 day washout period after which subjects were crossed over to receive the other treatment. Subjects continued to take their usual prescription medications during the course of the intervention and they followed a standardized meal plan designed to reflect the individual's typical diet. Results found that after consuming vinegar the night before, morning fasting blood glucose levels decreased by 0.15 mmol/L (2%) in the placebo group, compared to 0.26 mmol/L (4%) in the vinegar group. When the data was further analyzed, it was found that the beneficial effects of the vinegar were most effective for subjects with typical fasting glucose levels greater than 7.2 mmol/L, in which the reduction in FG was 6%. The results of this study suggest that, "vinegar ingestion at bedtime may favorably impact waking glucose concentrations in type 2 diabetics." The authors conclude, "Investigations are needed to study the mechanisms by which vinegar alters postprandial glycemia and FG, and to examine the efficacy of vinegar ingestion in individuals with inadequately controlled diabetes."
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