So, what are the differences between the various forms of ACV supplements, and which is the best? Read more on Apple Cider Vinegar Pills Vs Liquid! Theoretically, pill-based ACV supplements should offer all the same benefits of the vinegar in its liquid form, but that isn’t always the case. In this article we’re going to take a detailed look at the pros and cons of each supplement form to determine who wins in the battle of apple cider vinegar pills vs liquid.