Question: Potassium sorbate

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Fellow keto - gourmets

I am running low on flavorings for 's keto ice cream and yogurt

and am looking through those in my pantry. I cannot use my real

vanilla because it has sugar in it, but the vanilla flavoring

doesn't, but it has " potassium sorbate. " Is this ingredient okay in

flavorings we can use?

Thanks... , 's mum