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Results 981-1000 of 3152

NatMed
Mercury Herb
Mercury herb is a plant. People use the flowering plant, root, and root-like stem (rhizome) of the plant to make medicine. Despite serious safety concerns, mercury herb is used for treating constipation, fluid retention, and diseases of the stomach, intestines, and urinary tract. But there is no good scientific evidence to support these uses.
NatMed
Mastic
Mastic (Pistacia lentiscus) is an evergreen shrub found throughout the Mediterranean. The sap (resin) from its trunk is used to make medicine. Mastic might help reduce stomach acid and protect the lining of the stomach and intestine. It might also have antibacterial effects and reduce swelling. People use mastic for stomach ulcers, indigestion, Crohn disease, wound healing, and many other conditions, but there is no good scientific evidence to support most of these uses. Don't confuse mastic with gum arabic. These are not the same.
NatMed
Marjoram
Marjoram is an herb. People make medicine from the flowers, leaves, and oil. Marjoram is commonly used for runny nose, cough, common cold, other infections, and various digestion problems, but there is no good scientific evidence to support any use. In foods, marjoram herb and oil are used as flavorings. In manufacturing, the oil is used as a fragrance in soaps, cosmetics, lotions, and perfumes. Don't confuse marjoram with oregano (Origanum vulgare), which is also referred to as winter marjoram or wild marjoram.
NatMed
Manaca
Manaca (Brunfelsia uniflora) is a plant that is native to Brazil and other South American countries. The root has been used traditionally as medicine. People sometimes use manaca for osteoarthritis and fluid retention, but there is no good scientific evidence to support these or any other uses.
NatMed
Maitake Mushroom
Maitake (Grifola frondose) is a type of mushroom. It forms large clumps on tree stumps and tree roots. It was first used in Asian traditional medicine. Maitake mushroom grows in forests in Asia, Europe, and eastern North America. It contains chemicals that might help fight tumors, stimulate the immune system, and lower blood sugar levels. People use maitake mushroom for enlarged ovaries with cysts, diabetes, and many other conditions, but there is no good scientific evidence to support these uses. There is also no good evidence to support using maitake mushroom for COVID-19.
NatMed
Maidenhair Fern
Maidenhair fern (Adiantum pedatum) is a plant that is native to Europe. It is used as a favoring in alcoholic drinks and is sometimes used as medicine. Maidenhair fern contains chemicals that might help reduce swelling (inflammation). Maidenhair fern is used for cough, menstrual cramps (dysmenorrhea), wound healing, hair loss, and several other conditions, but there is no good scientific evidence to support these uses. Don't confuse maidenhair fern with Ginkgo, which is sometimes called maidenhair tree.
NatMed
Madder
Madder is a plant. The root is used to make medicine. People use madder for conditions such as kidney stones, menstrual disorders, urinary tract disorders, wound healing, and many others, but there is no good scientific evidence to support these uses. Using madder can also be unsafe.
NatMed
Myrtle
Myrtle (Myrtus communis) is a shrub commonly found in Iran. The fruit, leaves, and branches are used in traditional Persian medicine. Myrtle contains chemicals that might help fight against fungus and bacteria, and reduce swelling. People use myrtle for acne, canker sores, abnormally heavy bleeding during menstrual periods, persistent heartburn, warts, and many other conditions, but there is no good scientific evidence to support these uses. Don't confuse myrtle with periwinkle, which is sometimes called myrtle. These are not the same.
NatMed
Maca
Maca, also called Ginseng Andin, Peruvian Ginseng, Lepidium meyenii, or Lepidium peruvianum, is a relative of radish and smells similar to butterscotch. Maca is a plant that grows on the high plateaus of the Andes Mountains. It's been cultivated as a root vegetable for at least 3000 years. The root is also used to make medicine, but there isn't enough reliable information available to know how maca might work. People take maca by mouth for male infertility, health problems after menopause, increasing sexual desire in healthy people, and other purposes, but there is no good scientific evidence to support any of these uses.
NatMed
Lycopene
Lycopene is a type of organic pigment called a carotenoid. It is related to beta-carotene and gives some vegetables and fruits (e.g., tomatoes) a red color. Lycopene is a powerful antioxidant that might help protect cells from damage. It's found in tomato, watermelon, red orange, pink grapefruit, apricot, rose hip, and guava. Lycopene is used for prostate cancer. It is also used for high blood pressure, high cholesterol, and many other conditions, but there is no good scientific evidence to support most of these uses.
NatMed
Yellow Loosestrife
Yellow loosestrife (Lysimachia vulgaris) is a plant that grows in Europe and Asia. It is sometimes used to make medicine. People use yellow loosestrife for diarrhea, bleeding, wound healing, and other purposes, but there is no good scientific evidence to support these uses. Don't confuse yellow loosestrife with purple loosestrife (Lythrum salicaria). Both are known as loosestrife.
NatMed
Logwood
Logwood is a tree. People use the heartwood of logwood to make medicine. People use logwood for diarrhea and minor bleeding from wounds, but there is no good scientific evidence to support these uses.
NatMed
Linden
Linden is a common name for trees in the Tilia genus. These trees grow in Asia, Europe, and North America. It's traditionally used as medicine. Linden dried leaf, flower, and wood contain chemicals that might reduce inflammation and have sedative effects. People use linden for common cold, insomnia, headaches, itchy skin, and many other conditions, but there is no good scientific evidence to support these uses. Linden is sometimes called lime tree. Don't confuse linden with lime. These are not the same.
NatMed
Cursed Buttercup
Cursed buttercup (Ranunculus sceleratus) is an herb. The parts that grow above the ground are sometimes used to make medicine. Fresh cursed buttercup contains a chemical that can cause severe irritation when it comes into contact with the skin or the mouth, throat, stomach, or intestines. Cursed buttercup is used for skin conditions, but there is no good scientific evidence to support any use. Cursed buttercup might also be unsafe. Do not confuse cursed buttercup with buttercup or bulbous buttercup. These plants are not the same.
NatMed
Lime
Lime is a citrus fruit. The juice, fruit, peel, and oil are used to make medicine. People use lime for scurvy, malaria, sickle cell disease, gastrointestinal disorders, vaginal infections, and many other conditions, but there is no good scientific evidence to support these uses. In cosmetics, lime oil is used as a fragrance component and as a "fixative".
NatMed
Levant Berry
Levant berry is the fruit from a vine (Anamirta cocculus) that grows in Southeast Asia. The dried fruit and seeds are used to make medicine in some parts of the world. But medicinal use has been abandoned in the US and Europe due to safety concerns. However, picrotoxin, the active chemical in levant berry, is still used in research. Some people take levant berry to treat abnormal movement of the eyeball and dizziness. Picrotoxin that is taken from levant berry seeds is used for epilepsy, night sweats, and as a stimulant. Some people apply levant berry powder directly to the skin to treat a skin disease called scabies. In India, levant berry leaves are inhaled as snuff to relieve malaria. Whole fruits are used for paralyzing fish and killing birds or dogs. Jungle tribes apply picrotoxin taken from the seeds to arrow tips for hunting. Picrotoxin used to be used to paralyze fish in the fishing industry. Extracts are applied to the skin for treating lice.
NatMed
Lesser Celandine
Lesser celandine is a plant. The parts that grow above the ground are used to make medicine. Despite some safety concerns, people take lesser celandine by mouth for hemorrhoids and scurvy, a condition caused by lack of vitamin C. Lesser celandine is sometime applied directly to the skin for bleeding wounds and gums, swollen joints, warts, scratches, and hemorrhoids. In food, fresh leaves of lesser celandine are sometimes used in salads. Don't confuse lesser celandine with greater celandine (Chelidonium majus) or jewelweed, otherwise known as wild celandine. Also, don't confuse lesser celandine with Scrophularia nodosa, since both are sometimes called figwort; or with amaranth and bulbous buttercup, since these are also known as pilewort.
NatMed
Lemon
Lemon (Citrus limon) is a type of citrus fruit. It contains high levels of citric acid. The fruit, juice, and peel are used to make medicine. Lemon contains antioxidants called bioflavonoids. These bioflavonoids might be responsible for the health benefits of lemon. People use lemon for hay fever, high blood pressure, obesity, morning sickness, and many other conditions, but there is no good scientific evidence to support these uses. Don't confuse lemon with other citrus fruits, such as grapefruit, lime, and sweet orange.
NatMed
Lathyrus
Lathyrus is a plant. People use it as medicine. Despite serious safety concerns, Lathyrus sativus is used in unleavened Indian bread. Lathyrus seeds are eaten as food and used as animal fodder throughout the world. The flowers of sweet pea (Lathyrus odoratus) are grown for their color and fragrance.
NatMed
Laminaria
Laminaria (Laminaria digitata) is a type of brown seaweed. It's native to Japan and is used as food in many Asian countries. Laminaria contains iodine, an element that the body needs to make thyroid hormones. It's also a rich source of iron and potassium. Laminaria forms a thick, sticky gel when combined with water. This allows it to work as a bulk laxative in the gut. People use laminaria for ending a pregnancy (abortion), childbirth, cancer, and many other conditions, but there is no good scientific evidence to support these uses. Don't confuse laminaria with other types of seaweed or with chemicals found in seaweed, such as algin and carrageenan. These are not the same.