Northern Schisandra Fruit

Traditional Use

Primary Actions

• Restrains the Lung and stops chronic cough or wheezing - Bei Wu Wei Zi is used when leakage of Lung qi causes prolonged cough, wheezing, or weak grasp of breath.
• Generates fluids and checks leakage - it is used for spontaneous sweating, night sweats, thirst, dry mouth, and fluid loss after chronic illness or summer-heat damage.
• Binds the intestines and secures essence - chronic diarrhea and essence leakage patterns are classic indications when deficiency underlies leakage.
• Calms the Heart and tonifies the Kidney - it also appears in formulas for palpitations, insomnia, and Heart-Kidney disharmony.

Secondary Actions

• This record specifically refers to the northern species Schisandra chinensis, the preferred tonic-standard medicinal berry in the pharmacopoeial distinction between northern and southern Wu Wei Zi.
• Northern and southern Schisandra are related but not chemically identical, and the northern species is typically favored for richer lignan content and tonic use.

Classic Formulas

• Sheng Mai San - classic three-herb formula using Bei Wu Wei Zi to restrain leakage of qi and fluids while supporting the Heart and Lung.
• Xiao Qing Long Tang - uses Wu Wei Zi to prevent over-dispersion while cough, wheezing, and cold-phlegm are treated.
• Si Shen Wan and similar deficiency-leakage lineages use Wu Wei Zi to bind the intestines and secure chronic diarrhea.

Classical References

• Traditional Fructus Schisandrae materia medica notes that Schisandra chinensis is the northern source, Bei Wu Wei Zi, and is preferred over the southern species for standard medicinal use.
• Classical descriptions emphasize the five flavors, warm nature, and entry into the Lung, Heart, and Kidney to astringe, generate fluids, calm the spirit, and secure essence.