Researchers found that people who drank up to 1 tablespoon of apple cider vinegar a day, mixed in water, had decreases in body weight, body mass index (BMI), and waist circumference.

First up, Kroger. At $1.49 for 16 ounces, we fully expected this so-called apple cider vinegar to taste like cleaning fluid. It did, and ranked lowest accordingly.

If you're using apple cider vinegar, let your healthcare provider know. They can help you determine if the supplement is safe with other medications, herbs, and supplements you may be taking.

However, apple cider vinegar gummies may not have the same benefits as liquid apple cider vinegar. Gervacio said: "I'd say [the gummies] don't deliver the same punch as liquid ACV.

Participants received a placebo (no product), 5 milliliters (1 teaspoon), 10 milliliters (2 teaspoons), or 15 milliliters (3 teaspoons) of apple cider vinegar once a day over 12 weeks.