Read more: Apple Cider Vinegar 101: Potential Health Benefits, Side Effects and Proper Dosage Video: Taste-Testing 6 Apple Cider Vinegar Drinks Watch us sample various apple cider vinegar beverages.

While the acidic properties of apple cider vinegar keep it from ever truly going bad, you'll still find an FDA-required expiration date on the bottle—usually between 2 and 5 years.

See what the experts say about how apple cider vinegar affects blood sugar in the short and long term, and why it’s not a ...

11. Kroger Apple Cider Vinegar 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.

Apple cider vinegar may also lower blood potassium, which can be a problem for those who already have low levels, Ms. Czerwony said. So check with your doctor before trying it, she said.

Every type of vinegar starts out as some form of sugar, aka carbohydrate—like apples, used to make apple cider vinegar, or grapes, which make red wine vinegar. The carb is pressed into liquid ...