Fresh antlers have more moisture and are easy to deteriorate, so it is better to keep them frozen. Deer antler has the effect of strengthening the muscles and bones, benefiting the essence and blood, strengthening the kidney and yang, and supporting the effect of sores and poisons. Deer antler belongs to the deficiency medicine in the yang tonic medicine, family for the deer family animals such as sika deer, horse deer and other male deer dense antler has not yet ossified young horns. Deer antler is also known as spotted dragon pearl. Deer antler is sweet, salty and warm. Into the kidney meridian, liver meridian. It is used in the treatment of lumbar and back pain, kidney yang deficiency (deficiency of yang qi in the kidneys), fatigue (lack of mental energy), fear of cold, impotence and spermatorrhea, fatigue and thinness, uterine cold and infertility, tinnitus and deafness, dizziness, and impotence of the muscles and bones. Deer antler adverse reactions are not clear. Allergic to deer antler is prohibited. It is advisable to start with a small amount of this product and increase it slowly, not to use a large amount of it suddenly, so as to avoid Yang rising wind movement, dizziness and redness, or injury to yin and blood. Avoid taking this product if you have fever. If necessary, please use under the guidance of a professional Chinese medicine practitioner.