Thin people usually do not get the effect of gaining weight by taking oral pCms, which can be achieved in healthy ways such as adjusting diet and increasing exercise.
Generally speaking, there is no need for thin people to gain weight in other ways as long as they are healthy and energetic. If you feel skinny, you can enhance the strength of your limb muscles through sports such as running to improve your skinny appearance. However, there are no proprietary Chinese medicines that have the effect of increasing weight.
Obesity is a disease from the perspective of Chinese medicine, mostly related to the weakness of the spleen and stomach, phlegm and dampness congestion. So as long as a thin person has a normal appetite, is energetic and healthy, he or she does not need to gain weight in any other way. In addition, physical exercise should be appropriate and can be carried out under the guidance of professionals.