The mustard seed variety in this bottle is Sinapis alba, White mustard, Brassicaceae. White mustard seed is warm in nature and pungent in taste. It returns to the lung and stomach meridians and can invigorate qi and eliminate phlegm. Excessive oral administration can cause vomiting, abdominal pain, and diarrhea. White mustard seeds are pungent and warm, dissipate, consume qi and damage yin. People with chronic cough due to lung deficiency and excessive fire due to yin deficiency should also use it with caution. According to classic records: White mustard seed is warm in nature and pungent in taste, and returns to the lung and stomach meridians. It can invigorate qi and eliminate phlegm, reduce swelling and dissipate stagnation. It has the effects of warming the lungs, dispersing phlegm, promoting qi, dispersing stagnation, unblocking collaterals and relieving pain. It is used to treat cold phlegm and cough. Breathing, chest and rib swelling and pain, phlegm stagnation in the meridians, joint numbness and pain, phlegm and dampness flowing out, vaginal gangrene and swollen poison. Tao Hongjing said that it "mainly removes kidney evil qi, sharpens the nine orifices, brightens the ears and eyes, calms the heart, and warms the heart when taken for a long time", and recommends it as a wonderful product for tonifying the middle and dispelling evil. "Compendium of Materia Medica" states that it "invigorates qi and removes phlegm, removes cold and warmth, dissipates swelling and relieves pain, cures asthma, cough, nausea, numbness, athlete's foot, and various pains in the muscles, bones and waist joints" and is clinically practical. Dating back to the Qing Dynasty in China, Fu Qingzhu even praised it as the "Holy Medicine for Eliminating Phlegm"
