Extract of hawthorn flowers, berries or leaves help blood vessels dilate and may be useful in cases of mild heart failure.
Psyllium is a soluble fiber that has a many uses including for both constipation and diarrhea. Research suggests it can lower cholesterol and blood sugar.
Oregon grape (barberry) contains an intriguing chemical called berberine. It has anti-cancer activity. There is also evidence it has antibacterial action.
Horse chestnut has been used in folk medicine to treat a range of conditions from varicose veins and hemorrhoids to arthritis and coughs.
Goldenseal is a native North American herb that has a reputation for boosting the immune system.
Cascara sagrada, once a popular though harsh laxative, is no longer permitted in over-the-counter medications in the US.
The Indian herb boswellia has anti-inflammatory properties that can help people with arthritis pain or other inflammation.
Black cohosh was used by native people in North America to ease inflammation (rheumatism) and backache. Can it ease menopausal symptoms such as hot flashes?
Bilberry may be helpful for combatting mild diarrhea, mild inflammation, and may slow the development of macular degeneration or cataracts.
Arnica extract should generally not be ingested, but it is widely used topically to treat bruises and wounds and speed their healing.
Aloe vera has a long tradition as a medicinal plant. The leaves contain a clear gel that soothes irritated skin. Their latex is a harsh laxative.