Okay. According to the website for seeking medical advice, Beihai Gongtong isinglass has the following advantages.

1. Beihai fish maw has the functions of beautifying the skin, enhancing immunity, nourishing the kidneys and essence, and nourishing the muscles and veins.

2. North Sea male tube fish maw is a glue made from the swim bladder or swim bladder of deep-sea male tube fish in the North Sea. It is rich in a variety of collagen, vitamins, calcium, zinc, iron and other trace elements. It is a high-protein and low-fat food that can effectively beautify the skin. It can also nourish the kidneys and essence, nourish the muscles and veins, and treat kidney deficiency, slippery essence, and postpartum wind spasm.

3. North Sea fish gelatin is rich in vitamin E and vitamin D, which can promote metabolism, promote bone absorption of calcium ions, enhance bone hardness, reduce the probability of osteoporosis, and promote body growth. Therefore, Beihai male tube isinglass is the best.