How many slices of deer antler can one person take at a time?

It is not possible to generalize about how many slices of antler one person can take at a time. There are differences in the weight and size of antler slices, so it is not accurate to take the number of slices as a unit. Generally speaking, the dosage for adults is 1~2g per day.
Deer antler comes from the stag of sika deer or horse deer, and the young antlers on the head are used as medicine. It is effective in strengthening kidney and yang, benefiting essence and blood, and supporting sores and poisons. It has therapeutic effects on impotence, infertility, fatigue (mental weakness), dizziness, deafness, impotence and weakness of sinews and bones, and yin gangrene without astringency (yin sores that cannot be astringent for a long period of time) and other diseases.
The adverse reactions, contraindications and medication precautions of this product are not clear at present. The dosage of this product for adults is 1~2g a day, and the usage is powdered and taken. When treating diseases, the dosage should be adjusted according to the condition under the diagnosis of traditional Chinese medicine practitioners.
If you need to use the medicine, you should go to the hospital for a clear diagnosis and use the medicine after identification by a Chinese medicine practitioner, do not use the medicine blindly on your own, so as not to cause adverse effects on the body.