Taking more than this isn’t recommended because of potentially harmful effects at higher dosages. It’s also best to start off with 1 teaspoon (5 ml) and see how you tolerate it.
Do not take more than 1 tablespoon (15 ml) at a time, because taking too much at one sitting may cause nausea.
Although taking apple cider vinegar in tablet form may seem like a good idea, this doesn’t seem to be the case. In one instance, a woman suffered throat burns after an apple cider vinegar tablet became lodged in her esophagu .
Content Source and credit – https://www.healthline.com/nutrition/apple-cider-vinegar-weight-loss#section7