Apple cider vinegar and diabetes: There is no large scale study to prove the link (Image: GETTY)
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The small study - held in 2004 - was made up of 29 participants - 10 with type 2 diabetes, 11 with insulin resistance and eight without ether.
Researchers, who published the study in the Journal of the American Association of Diabetes, gave participants a meal consisting of a white bagel with butter and a glass of orange juice.
Following their meal, they were given either 20ml of ACV or a placebo.
The researchers then check their glucose levels 30 and 60 minutes afterwards and the study found that those who received the ACV shot had significantly lower levels.