Why is comfrey illegal in the US?
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Why is comfrey illegal in the US?
The pyrrolizidine alkaloids in comfrey can cause severe liver damage, liver cancer, mutagenicity, and even death. [8,9] For this reason, the U.S. Food and Drug Administration has banned the sale of oral comfrey products in the United States.
What is the herb comfrey used for?
Comfrey has a long history of use as a topical agent for treating wounds, skin ulcers, thrombophlebitis, bruises, and sprains and strains. Comfrey has anti-inflammatory properties that may decrease bruising and help heal wounds when the herb is applied topically.
Is comfrey safe for humans?
It’s considered unsafe, due to the pyrrolizidine alkaloids that comfrey contains. These are dangerous chemicals that can cause cancer, severe liver damage, and even death when you consume them. For this reason, the Food and Drug Administration and European countries have banned oral comfrey products.
Is comfrey really toxic?
Comfrey has toxic substances that can cause severe liver damage and even death. You should never take comfrey by mouth. The toxic substances in comfrey can be absorbed by the skin. Even creams and ointments should be used for only a short time, and only under a doctor’s supervision.
Is comfrey good for your garden?
Comfrey is the organic gardener’s best friend. Its leaves are full of nitrogen, phosphorus and potassium – all nutrients needed by growing plants. Master the use of comfrey and you’ll never need to buy expensive fertiliser again.
What do you do with comfrey?
7 Best Uses for Comfrey
- Vigorous comfrey plants regrow after greens are harvested for compost or mulch.
- Garlic is tucked in with a double mulch of chopped comfrey and rotted hay.
- A comfrey root poultice can speed healing of sprains and bruises.
- Use dried leaves to make comfrey tea for houseplants.
What is comfrey good for in the garden?
Use as a mulch. Chop up comfrey leaves with grass cuttings, and place a 5cm layer on the surface of the soil around all plants. This will slowly rot down to provide nutrients, and act as a mulch to keep in moisture and help control weeds. As they break down, the plant roots will access the potassium-rich fertiliser.
What can I do with comfrey?
How do you use comfrey in the garden?
Use as a mulch. Chop up comfrey leaves with grass cuttings, and place a 5cm layer on the surface of the soil around all plants. This will slowly rot down to provide nutrients, and act as a mulch to keep in moisture and help control weeds. Add fresh cut leaves to your leaf mould heap.
Is comfrey good for potatoes?
On potatoes Comfrey has an almost perfect ratio of nitrogen, potash and phosphorous. In comparison with farmyard manure, Hills shows it has more nitrogen, twice as much potash, but less phosphorous. It is an ideal potato and tomato food.
Is comfrey good for the garden?
Is comfrey good for compost?
Comfrey out-performs manure, compost and many liquid feeds for concentration of nutrients. It produces these from a deep root system extending right into the subsoil that most edible plants cannot access. It also has an ideal Carbon:Nitrogen ratio which means that it does not hamper absorption of nitrogen by plants.
What does comfrey look like?
Comfrey ( Symphytum officinale L.) is a perennial herb of the family Boraginaceae with a black, turnip-like root and large, hairy broad leaves that bears small bell-shaped flowers of various colours, typically cream or purplish, which may be striped.
What is comfrey and how to grow it?
Comfrey is a perennial herb that likes to spread and will reach a height of about 4 feet. Native to Europe and Asia, this plant thrives in moist, shady locations, and will bear long flowers in May. The leaves are about 10 inches in length, green in color, and a little fuzzy like oregano. How to Grow Comfrey:
What are the benefits of comfrey?
Healing wounds. Comfrey has long been used a natural remedy for speeding up the healing process.
Is comfrey that bad to ingest?
It’s considered unsafe , due to the pyrrolizidine alkaloids that comfrey contains. These are dangerous chemicals that can cause cancer, severe liver damage, and even death when you consume them. For this reason, the Food and Drug Administration and European countries have banned oral comfrey products.