The Health Benefits Of Vinegar (According To Science)

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At mindbodygreen, we're all about using the power of nutrition to promote health and prevent disease. That's why we're excited to feature a second excerpt from How Not to Die, the best-selling new book by Michael Greger, M.D., a leading nutrition expert and the physician behind In this passage, Dr. Greger takes us through the latest research on the surprising health benefits of vinegar.

Vinegar may be one condiment that’s good for you.

For example, randomized, controlled trials involving both diabetic and nondiabetic individuals suggest that adding two teaspoons of vinegar to any meal may improve blood sugar control, effectively blunting the blood sugar spike after a meal by about 20 percent.

In other words, adding vinegar to potato salad or to rice — like the Japanese do to make sushi rice — or dipping bread in balsamic vinegar may blunt the effects of these high-glycemic foods.

The study showed that subjects who consumed vinegar daily lost a significant amount of their visceral fat.

We’ve known about the antiglycemic effect of vinegar for more than 25 years, but researchers still aren't sure of the mechanism. Originally, it was thought that vinegar slowed stomach emptying, but even consuming vinegar outside of meals appears to help. For example, in one study type 2 diabetics consuming two tablespoons of apple cider vinegar at bedtime were found to wake up with better blood sugars in the morning. (Research suggests that consuming pickles or vinegar pills does not seem to have the same effect.)

However, I don't recommend drinking vinegar straight (as it can burn your esophagus) or in excess: a cup a day for six years (that’s 2,000 cups!) was discovered to be a bad idea.

Vinegar may also help with polycystic ovary syndrome (PCOS), improve arterial function, and help reduce body fat.

For example, a daily tablespoon of apple cider vinegar restored ovarian function within a few months in four out of seven women with PCOS. And a tablespoon of rice vinegar was found to acutely improve artery function in postmenopausal women. We’re not sure why, but the acetate from the acetic acid in vinegar may lead to improved nitric-oxide production. Such an effect would be expected to help with hypertension, and indeed there is a study purporting to show blood pressure benefits from a tablespoon of vinegar a day.

Despite folk wisdom to the contrary, vinegar does not appear to be an effective treatment for head lice, but it may help with weight loss. A double-blind, placebo-controlled (but vinegar-company-funded) study was performed, in which obese subjects consumed daily vinegar drinks with either one or two tablespoons of apple cider vinegar, or a placebo drink that tasted like vinegar but contained no acetic acid. Both vinegar groups lost significantly more weight than the control group. Though the effect was modest — about 4 pounds over a three-month period — CT scans showed the vinegar groups’ subjects lost a significant amount of their “visceral” fat, the abdominal fat that is particularly associated with chronic disease risk.

There are all sorts of flavorful, exotic vinegars to explore these days, including fig, peach, and pomegranate. I encourage you to experiment and find ways to incorporate some into your diet.

Related reads:

Excerpted from How Not to Die by Michael Greger, M.D., and Gene Stone. Reprinted with permission from Flatiron Books.

And are you ready to learn more about how to unlock the power of food to heal your body, prevent disease & achieve optimal health? Register now for our FREE web class with nutrition expert Kelly LeVeque.

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