Comfrey Root Extract

Symphytum officinale (root extract)

Family: Boraginaceae Evidence: A salveextract

TOPICAL ONLY. Standardized comfrey root extract (Kytta-Salbe) has clinical evidence for acute back pain, sprains, and joint comfort. PA-free topical only.

Safety Profile

PregnancyPossibly Unsafe
BreastfeedingInsufficient Data
PediatricNot Recommended

Contraindications

NEVER ingest. Do not apply to broken skin. Max 4-6 weeks topical use per year.

Interactions

Minimal systemic absorption topically.

Side Effects

Skin irritation. INTERNAL USE: severe liver damage.

Liver: CRITICAL: NEVER ingest comfrey root — causes hepatic veno-occlusive disease.
This information is for educational purposes only. It is not medical advice. Consult a qualified healthcare provider before using any herbal product.