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Supplements » Comfrey



Comfrey: Comfrey is a flowering herb that is claimed to have anti-inflammatory and soothing effects when used externally. The U.S. Food and Drug Administration has advised that comfrey products be taken off the market due to a risk of cancer and liver toxicity when taken internally.

Adequate Amounts Claimed As Beneficial For Conditions: Comfrey

Adequate amounts of Comfrey are claimed to be potentially beneficial for:

Adequate Amounts Claimed As Preventative For Conditions: Comfrey

Adequate amounts of Comfrey are claimed to be potentially preventative for:

Toxicity/Overdose Risks For Supplement Or Excessive Intake: Comfrey

Excessive intake of Comfrey may involve the following risks:

  • Should not be taken internally due to risk of cancer and liver toxicity
  • Possible allergic reaction in some people
  • Possible interactions with other supplements and medications
  • Consult with your healthcare provider before using any supplements, herbal remedies, and alternative therapies

Comfrey: Other Names

Other names for this supplements (Comfrey) include:

  • Symphytum officinale
  • Knitbone
  • Bruisewort
  • Gum plant
  • Blackwort
  • Wallwort

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