After three months, the rats that received the grape-enriched diet had lower blood pressure, better heart function, and reduced indicators of inflammation in the heart and the blood than rats who received no grape powder. Rats also had lower triglycerides and improved glucose tolerance.
The effects were seen even though the grape-fed animals had no change in body weight.
So the rats didn't lose weight but they did have better heart function as well as lower blood pressure. Hmm, perhaps the grape pill might become about as important as taking any other kind of blood pressure medicine in the years to come.
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