A good starting ratio for adding
gelatin powder to your recipes is 1/2 tablespoon of
gelatin per 1 cup of liquid — however, the ratio of
gelatin to liquid you use will depend on how «thickened» or «gelled» you want your recipe to be.
Dr. Reuben Ottenberg in 1935 suggested in the Journal of the American Medical Association that patients with jaundice or other liver problems be administered 5 - 10 grams of
gelatin per day as food or via a
powdered gelatin supplement to supply additional glycine to the diet in order to encourage normalized hepatic function.