Answer:  No, there is no recommended limit on the amount of xylitol humans can eat.

Studies in humans and rodents have shown that xylitol, when appropriately administered orally, is well tolerated and safe to levels of at least 90 grams per day, with no subjective or objective adverse findings.  The Joint Expert Committee on Food Additives (JECFA) of two United Nations agencies (FAO and WHO) indicated that no special consumption limits were needed for xylitol.  In detail, JECFA recommended an unlimited ADI (Acceptable Daily Intake) based on the safety of xylitol.  This type of specification reflects the safest category in which this committee can place a food additive.  (Information excepted from

As mentioned previously on this website, however, xylitol is not safe for dogs!


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