Tongzhou Milkvetch Seed Classic Formulas

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Warms and supplements the Kidney while securing essence - Tong Ji Li is a regional name for the Sha Yuan Zi seed and is used for leakage, reproductive weakness, and deficient lower-burner instability.
Benefits the eyes through Liver-Kidney support - its traditional vision use fits deficiency blur rather than red inflamed excess-eye patterns.
Supports fertility and constitutional resilience - it appears in tonic strategies for chronic weakness where reproductive function and essence have been depleted.

Kidney-securing combinations use Tong Ji Li with Tu Si Zi, Fu Pen Zi, or Qian Shi for nocturnal emission and urinary leakage.
Reproductive-tonic formulas may pair it with Du Zhong and Gou Ji when infertility and low-back weakness coexist.
Eye-support deficiency formulas combine it with Gou Qi Zi and other Liver-Kidney nourishers rather than with strong heat-clearing eye herbs.

Traditional Chinese trade literature treats Tong Ji Li as an alternate name for the seed more commonly listed as Sha Yuan Zi or Sha Yuan Ji Li.
Its actions remain those of a sweet warm Liver-Kidney tonic that secures essence and improves vision in deficiency patterns.
Regional naming should not be mistaken for a separate herb with a different core therapeutic profile.