Lu Jiao Jiao 鹿角胶 — Chinese Herbal Medicine

Lu Jiao Jiao (鹿角胶) At a Glance

• Herb: Lu Jiao Jiao
• Chinese name: 鹿角胶 (Lu Jiao Jiao)
• Latin name: Cervi Cornus Colla
• Nature: Warm
• Taste: Sweet, Salty
• Meridian: Kidney
• Category: Tonify the KD Yang

Lu Jiao Jiao is the processed gelatin derived by boiling the mature antler of Cervus nippon or Cervus elaphus, and has been prized in Chinese medicine since the Han dynasty as one of the foremost animal-based tonics. Its warm, densely nourishing character places it between Lu Rong (fresh velvet) and Lu Jiao (raw antler) in potency — gentler than velvet yet more tonifying than raw antler alone. Clinically it excels where Kidney Yang deficiency overlaps with depletion of Jing or blood, including chronic reproductive weakness, deficiency-cold haemorrhage, and slow-healing lesions.

Actions & Therapeutic Effects

• Warms and tonifies Kidney Yang — addresses impotence, cold lumbar region and knees, frequent urination, and exhaustion from Kidney Yang insufficiency
• Replenishes Jing and nourishes blood — used for emaciation, dizziness, tinnitus, and premature ageing arising from essence-blood depletion
• Stops bleeding from deficiency-cold — controls uterine flooding (beng lou), blood in stool, or haematuria when the pattern is cold, pale, and deficient
• Strengthens sinews and bones — supports the lumbar spine and knees in Kidney-Liver deficiency patterns, especially with chronic weakness or developmental delay
• Promotes healing of yin-type sores — used internally for chronic non-healing abscesses (yin ju) that are pale, flat, and cold to the touch
• Secures the Chong and Ren vessels — stabilises the uterus in threatened or habitual miscarriage rooted in Kidney Yang deficiency

Clinical Applications in TCM

• Kidney Yang deficiency with impotence and cold limbs: combine with Fu Zi, Rou Gui, and Tu Si Zi (You Gui Wan modification)
• Jing-blood deficiency with weakness and dizziness: pair with Shu Di Huang, Gou Qi Zi, and Shan Zhu Yu
• Deficiency-cold uterine bleeding: use with Ai Ye, Pao Jiang, and E Jiao (Jiao Ai Tang modification)
• Yin-type sores and chronic non-healing ulcers: combine with Rou Gui and Pao Jiang within Yang He Tang
• Threatened miscarriage from Kidney deficiency: pair with Du Zhong, Xu Duan, and Sang Ji Sheng
• Lumbar and knee weakness with Kidney-Liver deficiency: combine with Niu Xi, Du Zhong, and Ba Ji Tian

Precautions & Safety

• Dosage 3–6 g daily; melt separately (烊化, yáng huà) in hot water, broth, or rice wine, then stir into the strained decoction — never boil with other herbs as it scorches and loses efficacy
• Contraindicated in Yin deficiency with blazing fire, any exterior pathogen invasion, or excess-heat patterns; use with caution in phlegm-dampness or digestive weakness
• Use cautiously during pregnancy and do not exceed 6 g; higher doses may cause nausea, epigastric fullness, or loss of appetite
• For prolonged use, balance with Yin-nourishing herbs such as Shu Di Huang or Gui Ban to prevent internal heat accumulation

Classical TCM Formulas

• Zuo Gui Wan (左归丸) includes Gui Ban Jiao; You Gui Wan (右归丸) uses Lu Jiao Jiao. Source: Jing Yue Quan Shu.
• Lu Jiao Jiao Gao (鹿角胶膏): Lu Jiao Jiao dissolved in warm wine — for Kidney Yang deficiency.
• Gui Lu Er Xian Jiao (龟鹿二仙胶): Gui Ban Jiao, Lu Jiao Jiao, Ren Shen, Gou Qi Zi — the supreme essence-tonifying formula.

Herb Combinations

• Lu Jiao Jiao (鹿角胶) + Gui Ban Jiao (龟板胶): the Yin-Yang glue pair — Lu Jiao Jiao tonifies Yang, Gui Ban Jiao tonifies Yin. Source: Zuo Gui Wan / You Gui Wan.
• Lu Jiao Jiao (鹿角胶) + Shu Di Huang (熟地黄) + Dang Gui (当归): nourishes Kidney essence and Blood for infertility and premature aging.
• Lu Jiao Jiao (鹿角胶) + E Jiao (阿胶) + Ren Shen (人参): the three animal-derived tonics for severe post-illness debility.

Pharmacology & Research

Amino acids: high glycine, proline, and hydroxyproline content supporting collagen synthesis and tissue regeneration.
Minerals: concentrated calcium and phosphorus consistent with bone-strengthening and essence-replenishing actions.
Glycosaminoglycans: chondroitin sulfate and hyaluronic acid with anti-inflammatory and cartilage-protective activity.
Collagen peptides: bioactive fragments with haemostatic and wound-healing properties correlating with its blood-stopping use.
Trace androgens and oestrogen-like sterols: consistent with reproductive tonic effects observed in classical and clinical use.

Classical Descriptions

• “鹿角膠，味甘，平。主傷中，勞絕；腰痛，羸瘦，補中益氣，婦人血閉無子，止痛，安胎。”
• — Shén Nóng Běn Cǎo Jīng (Divine Husbandman’s Classic of the Materia Medica, c. 1st–2nd century CE)