|good, the old bloke should have known better. Yes it is acid but turns alkaline. Actually makes the blood ph 7.4.
Acv with the mother in it works wonders on many ailments. Make sure it has the mother in it. Best to buy from a health food store.
Search apple cider vinegar+health and read anything that says bragg.
I found this out by accident when I drank straight apple cider one season to lower my cholesterol (it did) and I found that all my aches and pains disappeared but returned when the cider season was over.
While at a health food store I opened a book on acv and it changed my life. I believe it said if you suffer from gout you will have to take it every day. Acv, honey and water is now my favorite drink.