Comfrey Is Poisonous?

Comfrey (Symphytum officinale) is a powerful calcium-containing herb that provides human beings with 100% organic, digestible and absorbable calcium. Unlike man-made versions of calcium that are synthetic and pharmaceutical-grade, the body digests it easily and uses its benefits.

The body cannot assimilate calcium as well in fortified milk, fortified orange juice, antacids or calcium supplements. These synthetic forms of calcium are derived from oxide sources. The human body cannot assimilate oxide material or elements, making it difficult to digest. Oxides are inorganic versions of a substance or thing.


Comfrey root and leaves provide the richest and most abundant source of natural calcium in plant form. Even though Comfrey is the most effective, there are several other herbs that provide natural calcium such as:

Comfrey root is so strong that it takes very powerful blades to cut it. Comfrey root provides ample amounts of calcium and helps build strong and healthy bones.

Comfrey is also used for skin regeneration. It contains substances that help reduce inflammation of sprains and broken bones. Allantoin, a substance that promotes skin cell growth, is found in comfrey roots and leaves.


When applied to the skin, comfrey can be used to treat wounds and relieve inflammation of the joints. The ointment is applied to the skin in areas with bruises, fractures, sprains, strains, and osteoarthritis.

These ointments come in a variety of strengths, typically ranging from 5 to 20% comfrey. Comfrey can also be found in the form of a cream, liniment and poultice. These topical treatments are made from fresh or dried herbs, leaf, or roots from the comfrey plant.


In herbology, the color white generally denotes the bones and herbs that are good for the bones.

Comfrey has many therapeutic and medicinal properties and value. It builds strong bones, teeth, cartilage, tendons and muscles. Being a mucilaginous astringent, toning herb and powerful cell proliferator, it is useful for post radiation treatment. It has the following capabilities:

  • Irritation and inflammatory conditions
  • Heals and builds human tissues
  • Heals duodenal and stomach ulcers
  • Colon complaints such as colitis, diverticulitis, bowel inflammations and irritable bowel syndrome.
  • Profound healing for respiratory issues such as asthma, bronchitis, and other bronchial-lung inflammations.
  • Very helpful for colds, coughs, fever, and the flu
  • Soothes and heals bladder and prostate infections
  • An effective hemostatic to arrest internal hemorrhaging from the lungs and urethral system as well as the female menstruation and externally for open wounds and cuts.
  • Helps reverse varicose veins and other stagnation challenges.
  • Useful as poultice for bone knitting and fractures and as a compress or poultice for cuts and burns.
  • Helpful to heal bedsores, insect bites and stings, bruises, inflamed bunions, sunburn, and nosebleed.
  • Useful as a douche solution for vaginal yeast infections, and to reverse calcium deficiency.


The nutritional content of Comfrey includes:

  • Calcium
  • Magnesium
  • Vitamin C
  • Vitamin B12
  • Beta Carotene
  • Phosphorus
  • Potassium
  • Vitamin E
  • Vitamin A
  • Iron
  • Sulfur
  • Copper
  • Zinc


The comfrey herb contains dangerous substances called pyrrolizidine alkaloids. New leaves tend to be more poisonous than older leaves. All comfrey products are made from the leaves or other parts of the plant that are grown above the ground. The roots contain much more poisonous pyrrolizidine alkaloids.

Comfrey-containing creams should not be applied on a regular basis. They should only be used occasionally and should never be applied to the mouth or any open wounds.

It is important to follow the safety recommendations when using topical treatments containing the comfrey herb.

Thank you for reading!

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