Donkey-hide gelatin is a traditional Chinese medicinal material that has the effects of nourishing the skin, nourishing the blood, and activating blood circulation. Elderly women preparing for pregnancy can eat donkey hide gelatin cake in moderation, but they need to pay attention to the following points: 1. Eat in moderation: donkey hide gelatin cake is a tonic and should not be consumed in excess. Generally speaking, no more than 30 servings per serving