I do not worry about the brand as long as it is apple cider vinegar!
If you take the Blackstrap Molasses with it , then you may not have those problems!
The length of time for a person to recover and overcome too Acidic of a body may depend upon how much effort the person puts into changing their Diet to "STOP" eating those things which are causing you to become too Acidic in the first place!
And then what you may choose to do to supply your body with the needed Alkaline Minerals to help your body become more Alkaline!