1. It is not possible to tell which one is better, donkey-hide gelatin or bird's nest. I just say when is more suitable for donkey-hide gelatin or bird's nest. Donkey-hide gelatin can nourish blood and yin, moisturize dryness and stop bleeding, and is suitable for people with anemia and sallow complexion; bird's nest can nourish yin and kidney, produce essence and blood. Both donkey hide gelatin and bird's nest are particularly good for women's bodies, but those with weak and hot constitutions are more suitable to eat bird's nest.

2. The effect of eating donkey-hide gelatin cake will be better. Donkey-hide gelatin is just a single medicinal material, while donkey-hide gelatin cake is a health food made from donkey-hide gelatin, black sesame, walnuts, red dates and other foods and medicinal materials. It can not only replenish blood Nourishing blood, it can also nourish the kidneys and essence, nourish the heart and calm the mind. It has a certain improvement effect on dysmenorrhea and irregular menstruation.