Root of Morinda Officinalis

Traditional Use

Primary Actions

• Tonifies Kidney Yang ... Ba Ji Tian is a classic lower-burner root for cold impotence, infertility, weak fertility signs, and deep deficiency-cold with soreness and fatigue.
• Strengthens sinews and bones ... it is widely paired for low back weakness, weak knees, and chronic cold-damp obstruction when deficiency and pain overlap.
• Dispels wind-damp without being as harshly drying as stronger hot Yang tonics ... this makes it useful when aging, weakness, and painful obstruction appear together.

Secondary Actions

• This page keeps the accepted modern taxonomy Gynochthodes officinalis while preserving the older Morinda officinalis medicinal naming used throughout the herb trade.
• Ba Ji Tian is often preferred when the clinician wants steady Kidney warming and musculoskeletal support without the heavier cloying feel of richer animal or resinous tonics.

Classic Formulas

• Er Xian Tang ... famous menopausal and Kidney-axis formula using Ba Ji Tian to warm Yang while balancing fire and water.
• Zan Yu Dan ... reproductive-tonic formula family where Ba Ji Tian supports fertility, essence, and lower-burner cold.
• Kidney-Yang and low-back formulas with Du Zhong, Xu Duan, or Yin Yang Huo ... common pairing logic for soreness, weakness, and cold-damp bi.

Classical References

• Traditional materia medica consistently places Ba Ji Tian among the gentler Kidney-Yang roots that also strengthen sinews and bones.
• Its classical use focuses on deficiency-cold, reproductive weakness, and aging lower-back patterns rather than acute excess heat.