Here's what to know about apple cider vinegar before you try it.

What is apple cider vinegar? When you combine apples, sugar and yeast and allow it to ferment, it creates apple cider vinegar. Over several weeks, the yeast will digest the sugar to make alcohol.

Shop pet food and other pet-related products at Chewy. You can save on this purchase when you use a Chewy promo code from USA TODAY Deals.