Deer antler gelatin is effective in warming the liver and kidney, benefiting the essence and nourishing blood. It is suitable for the symptoms of deficiency of liver and kidney, such as impotence and spermatorrhea, and blood leakage. Deer antler gelatin is a solid gelatin made from deer antlers by decocting and concentrating with water. It is warm in nature, sweet and salty in flavor, and belongs to the liver and kidney meridians. It has the basic efficacy of warming the liver and kidney, benefiting the essence and nourishing the blood (tonifying the essence and nourishing the blood). It is suitable for the symptoms of deficiency of liver and kidney (weakness of liver and kidney), such as dizziness, fatigue and lethargy, impotence and spermatorrhea, coldness and soreness of waist and knees, swelling and pain of yin gangrene (a kind of slow-acting yin sores and ulcers), blood leakage, blood in stool and urine, and so on. The adverse reactions and contraindications of Deer Antler Gum are not clear. It is contraindicated for people with yin deficiency and fire exuberance (deficiency of yin and essence in the body and hyperactivity of deficiency fire). If you have symptoms, you should take the medicine under the guidance of a professional physician, do not take the medicine blindly on your own, so as to avoid delays in the condition or adverse reactions.