It is advisable to start with a small dose when taking this product and gradually increase it. It is not recommended to take a large amount of it abruptly, as it may cause dizziness, red eyes, or nosebleeds due to excessive yang energy or blood heat. It should be avoided by those with yin deficiency and excessive yang, blood heat, excessive stomach fire, phlegm heat in the lungs, or those suffering from heat-related illnesses.
The active ingredients in deer antler velvet can react with tannic acid in fruits and vegetables and be destroyed, so it is contraindicated to take them together. Those who have recently contracted an infection and have a fever, as well as those who suddenly experience severe pain, should also temporarily avoid taking it.
It is also important to note that people who are physically strong and do not need to take it or those who consume an excessive amount of antler velvet may experience reactions such as a swollen head, chest tightness, or nosebleeds. In such cases, the medication should be immediately stopped and observed, and continued usage should not be forced.
