I'm just curious why coffee makes the Pral meter go towards the green area (to the negative and the same direction that fruit makes it go) when coffee is considered acidic?
You can read more about how the PRAL is calculated and the effect of an alkaline diet on health at the following link: https://cronometer.com/blog/alkaline-diet/
Technically, the PRAL and a food's pH are not quite the same thing. So while coffee falls on the "acidic" side of the pH scale, it's score suggests that it doesn't have the same acid potential as other foods (such as meat) in the body.
Susan Macfarlane, MScA, RD
Registered Dietitian Nutritionist
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Great, Thanks for that Susan,