Your grandma probably agrees; apple cider vinegar is great for your body. Having a bottle on hand — to either consume or apply topically — can seriously boost your overall health.

So, why is apple cider vinegar so good for you?

Read: Apple Cider Vinegar Diet For Weight Loss: Drinking Before Meals Improves Digestion, Gut Health

Apple cider vinegar has also been gaining prominence in the beauty market recently. The hype is real; this healing ingredient acts as a great natural toner that can leave your skin looking healthier. As Medical Daily previously reported, the acidity of apple cider vinegar helps change the pH of your scalp and can prevent dandruff.

It’s also a great teeth whitener. It is the astringent, highly acidic nature of the vinegar that provides the teeth-whitening benefit.

A 2007 study linked apple cider vinegar with regulated blood sugar, which offers benefits for those with type 2 diabetes. Researchers found that two tablespoons before bed with a snack resulted in lower blood sugar levels the next morning.

A recent study found increased levels of good bacteria in the guts of mice who consumed apple cider vinegar diluted in drinking water. In humans, this could reduce symptoms of gastrointestinal disease ulcerative colitis.

Read: Benefits Of Apple Cider Vinegar: 6 Healthy Uses For Apple Cider Vinegar That Will Surprise You

A Japanese study in 2009 found that people who drank beverages with apple cider vinegar had less belly fat, lower triglycerides and waist measurements, and a lower body weight and body mass index (BMI).

These benefits won’t come if you drink straight apple cider vinegar: It should always be diluted with a large glass of water; 8 to 10 ounces.

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Apple Cider Vinegar Diet For Weight Loss: Drinking Before Meals Improves Digestion, Gut Health