Dog Penis and Testes

Chinese
狗肾
Pinyin
Gou Shen
Latin
Testes et Penis Canis

TCM Properties

Taste
salty
Temperature
hot
Channels
Kidney

Traditional Use

Primary Actions

  • Warms Kidney Yang and supports sexual vitality - Gou Shen is a niche traditional animal tonic used for impotence, cold weakness of the lower burner, and depleted reproductive drive.
  • Supplements essence for infertility and deep deficiency - traditional trade literature extends its use to infertility, seminal weakness, and constitutional exhaustion rooted in Kidney-Yang decline.
  • Strengthens the low back and knees in deficiency-cold states - it is used when impotence or reproductive weakness is accompanied by soreness, coldness, or frailty below the waist.

Secondary Actions

  • Gou Shen is usually encountered in pills, tonic wines, or specialist formulas rather than in routine household decoction use.
  • Traditional records often treat Gou Shen and Huang Gou Shen as closely overlapping trade designations rather than sharply distinct medicinals, so source labeling matters.

Classic Formulas

  • Gou Shen with Gou Qi Zi, Ba Ji Tian, and Tu Si Zi - classic Kidney-Yang tonic pairing logic for impotence, cold limbs, and reproductive weakness.
  • Animal-yang tonic wine traditions with Lu Rong, Rou Cong Rong, and Yin Yang Huo - broader lower-burner warming strategies used when sexual debility reflects constitutional cold deficiency.

Classical References

  • American Dragon lists (Huang) Gou Shen among herbs that tonify Kidney Yang and records a salty, hot profile entering the Kidney channel.
  • Traditional trade literature describes Gou Shen as a specialty tonic for impotence and cold-type reproductive weakness rather than as a general tonic for routine use.

Modern Research

Studied Effects

  • Direct indexed modern literature on Gou Shen is extremely limited, so most modern discussion remains based on historical trade use rather than on clinical trials or strong pharmacologic characterization.
  • Because the material is a niche animal product with variable sourcing, current concerns center more on authenticity, safety, and legal provenance than on evidence-backed efficacy.

Safety & Interactions

Contraindications

  • Internal heat or excess fire patterns
  • Yin deficiency with heat
  • Pregnancy
  • Unverified animal source material

Cautions

  • Modern evidence is sparse, so traditional sexual-tonic claims should be interpreted conservatively.
  • Identity, legality, contamination control, and ethical sourcing are major concerns for this animal-derived product.
  • Use is best limited to qualified practitioner supervision rather than self-prescribed supplement use.

Conditions