If you have a sensitivity to artificial sweeteners you might be better off with something with a few more grams of sugar but from natural sources. (thrivepersonalfitness.com)
Even a few more grams of extra carbs may kick you out of ketosis. (ketodietapp.com)
Women should strive for more than 20 grams per day and men for 30 or more grams per day. (freedieting.com)