Vinegar for IR , Weight Loss, and Hunger (Highlights, FAQ's, & Popular Threads)
HIGHLIGHTS:
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Subjects were also asked to rate feelings of hunger/satiety on a scale ranging from extreme hunger (-10) to extreme satiety (+10) before meal consumption and at 15-minute intervals after the meal. Bread consumption alone scored the lowest rating of satiety (calculated as area under the curve from time 0-120 minutes). Feelings of satiety increased when vinegar was ingested with the bread, and a linear relationship was observed between satiety and the acetic acid content of the test meals (r = 0.41, P = .004).[58]
In a separate trial, healthy adult women consumed fewer total calories on days that vinegar was ingested at the morning meal.
Now, the scientists are developing a less objectionable, encapsulated form of vinegar and testing its efficacy. Although there are commercially available vinegar dietary supplements, Johnston notes that they "don't appear to contain acetic acid," and based on studies by others, she suspects that's the antidiabetic ingredient in the vinegar.
Her studies indicate that 2 tablespoons of vinegar before a meal—perhaps, as part of a vinaigrette salad dressing—will dramatically reduce the spike in blood concentrations of insulin and glucose that come after a meal. In people with type 2 diabetes, these spikes can be excessive and can foster complications, including heart disease.
Although all three groups in the study had better blood readings after meals begun with vinegar cocktails, the people with signs of future diabetes—prediabetic symptoms—reaped the biggest gains. For instance, vinegar cut their blood-glucose rise in the first hour after a meal by about half, compared with readings after a placebo premeal drink. In contrast, blood-glucose concentrations were only about 25 percent better after people with diabetes drank vinegar. In addition, people with prediabetic symptoms ended up with lower blood glucose than even healthy volunteers, after both groups drank vinegar.
To Johnston' surprise, however, "there was actually about a 2-pound weight loss, on average, over the 4 weeks in the vinegar group." In fact, unlike the control group, none in the vinegar cohorts gained any weight, and a few people lost up to 4 pounds. Average weight remained constant in the group not drinking vinegar.
Vinegar's effects were comparable to those from antidiabetes drugs like metformin, researchers said.
In the study, which involved 29 people, one-third had been diagnosed with type 2 diabetes, one-third had signs that they could develop diabetes and one-third were healthy. Each individual was given either a vinegar dose or a placebo prior to eating a high-carbohydrate breakfast, and one week later were given the opposite drink and the same breakfast.
Results indicated that:
All groups had better blood readings with the vinegar than with the placebo
People with prediabetic symptoms benefited the most from the vinegar, with blood-glucose concentrations cut by almost half
People with diabetes improved their blood-glucose levels by 25 percent with the vinegar
People with prediabetic symptoms had lower blood-glucose levels than healthy participants after both drank vinegar
Vinegar for IR , Weight Loss, and Hunger (Highlights, FAQ's, & Popular Threads) 
