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Gugulipid

From the resin of the mukul myrrh tree (Commiphora mukul) comes a remedy–gugulipid–that holds promise for lowering cholesterol and triglyceride levels as effectively as certain prescription medications. Native to India, this tree is closely related to the plant that provides the fragrant myrrh described in the Bible.

Green Tea

Legend has it that in ancient times, a Chinese emperor was drinking some hot water when leaves from a nearby tea shrub (Camellia sinensis) dropped into his cup. He apparently liked the soothing drink that resulted from this chance event. And so began what is today a worldwide love affair with tea. It’s now second only to water as the most popular drink in the world.

Grape Seed Extract

As its name implies, grape seed extract is derived from the small seeds (and occasionally the skins) of red grapes–the same kind that are pressed to make wine. Used extensively in Europe, grape seed extract is rich in flavonoids, phytochemicals that have antioxidant properties some consider even greater than the old standbys vitamin C and vitamin E. Antioxidants are believed to prevent and control numerous ailments by safeguarding cells against the ravages of unstable oxygen molecules called free radicals.

Goldenseal

The Iroquois and Cherokee were among the first of the American tribes in the eastern United States to use this small perennial plant (Hydrastis canadensis) medicinally. They harvested its fleshy underground stems (rhizomes) and roots and used them to treat a variety of infections and other complaints, from insect bites and digestive upset to eye and skin ailments. By the nineteenth century, healers began to refer to this native wildflower (which resembles a buttercup) as goldenseal because the cuplike scars on its bright yellow rhizomes resembled the wax seals then used to close envelopes and certify documents. The plant’s colorful roots also provided dye for clothing.

Glutathione

Glutathione is a sulfur-containing amino acid that is an important part of the body’s antioxidant defense system. Glutathione is composed of three different amino acids: cysteine, glutamic acid, and glycine. Vitamins B6 and riboflavin are critical for maintaining adequate levels of glutathione within the body.

Glutamine

Glutamine is a nonessential amino acid. “Nonessential” means that the body can create its own supply if the diet is lacking in glutamine-rich sources, such as poultry, fish, and legumes. Few people who are basically healthy and follow a balanced diet are deficient in this amino acid, one of the most abundant in the bloodstream. But there are some important exceptions.

Glucosamine

Glucosamine, a sugar produced in the body and found in small amounts in foods, plays an important role in maintaining cartilage, the gel-like material that cushions joints. When taken as a dietary supplement, glucosamine may help to relieve the pain, stiffness, and swelling of osteoarthritis, a degenerative joint disorder that affects 12% of the population, in which cartilage has worn down. Rheumatoid arthritis sufferers report improvements with glucosamine supplements as well, as do individuals with other types of joint injuries. Some 70 countries around the world sanction glucosamine as a treatment for individuals with mild to moderately severe osteoarthritis.

Ginkgo Biloba

This popular herbal medicine is extracted from the fan-shaped leaves of the ancient ginkgo biloba tree, a species that has survived in China for more than 200 million years and now grows throughout the world. (The leaves are double, or bi-lobed; hence the name biloba.) Long used in traditional Chinese medicine, it is only in the last few decades that the medicinal uses for the herb have been studied in the West.

Ginger

Revered around the world for its pungent taste, ginger (Zingiber officinale) is a natural spice that is also widely prized for its medicinal properties. Since ancient times, traditional healers in a diverse array of cultures have used this plant primarily to help settle upset stomachs. Chinese herbalists have relied on ginger as a medicine and flavoring for more than 2,500 years. The early Greeks mixed it into breads (hence the first gingerbread), and North American colonists sipped nausea-quelling ginger beer, the precursor of modern ginger ale. Today, many cultures continue to rely on ginger for controlling nausea and also for reducing inflammation.

Garlic

Along with its well-earned reputation for discouraging friends and repelling potential lovers, this powerful herb has a storied culinary and medical history. Egyptian pyramid builders took it for strength and endurance. Medieval healers recommended it as protection against supernatural forces–vampires in particular. The French scientist Louis Pasteur investigated its antibacterial properties, and doctors in the two World Wars treated battle wounds with garlic juice when other drugs were unavailable. Most recently, garlic has been touted for heart health as well.

Garcinia Cambogia

The herb Garcinia cambogia, a diminutive purple fruit native to India and southeast Asia, has garnered a lot of attention as a popular natural weight loss aid. The reason is that the rind of the pumpkinlike fruit is rich in a substance called hydroxycitric acid, or HCA, closely related to the citric acid found in grapefruits and oranges.

Gamma-Oryzanol

Although it appears in grains such as barley and corn, gamma-oryzanol is extracted from rice bran oil for commercial purposes. In Japan, this concentrated mixture of ferulic acid and other compounds is commonly added to foods and beverages. The bulk of research on gamma-oryzanol’s health benefits has been done in Japan, although supplements are now available in the United States as well.

Folic Acid

Folic acid, also called folate or folacin, is a B vitamin with a solid reputation for protecting against birth defects and heart disease. If adults were to get an adequate amount of this vitamin, it is estimated that 50,000 deaths from cardiovascular disease could be prevented each year in the United States alone. Moreover, common birth defects could be cut nearly in half. Other ailments, such as depression, Alzheimer’s disease, and certain types of cancer may respond to the effects of folic acid as well.

Flaxseed Oil

A source of fiber for linen fabric since ancient times, the slender flax plant (Linum usitatissimum) also boasts a long history as a healing herb. First cultivated in Europe, the plant’s brown seeds were regularly used to prepare balms for inflamed skin and healing slurries for constipation. Today, flaxseeds–also called linseeds–are best known for the therapeutic oil that is derived by pressing them. Rich in essential fatty acids, or EFAs, flaxseed oil has earned a solid reputation for treating a range of ailments, from heart disease to lupus.

Flavinoids

Flavonoids is the umbrella term given to some 4,000 compounds that impart the colorful pigment to fruits, vegetables and herbs. Also found in legumes, grains and nuts, flavonoids can act as effective antivirals, anti-inflammatories, antihistamines and antioxidants. They’re useful for reducing cancer risk and serve to prevent or treat a wide variety of conditions.

Fish Oils

Heralded for its heart-healthy actions, fish oils offer high concentrations of polyunsaturated fats called omega-3-fatty acids. While all fish contain these fats, cold-water fish–salmon, sea bass, tuna, trout, mackerel–are particularly rich sources because of their diet: plankton packed with omega-3s. Interestingly, the colder the water, the more omega-3s in the plankton. Cold-water fish also boast the most potent forms of omega-3s: the essential fatty acids known as eicosapentaenoic acid (EPA) and docosahexanoic acid (DHA). Consumed as part of a fish-filled diet or in supplement form, omega-3s have myriad healing powers.

Fiber, soluble

Most foods contain a mixture of soluble and insoluble fiber, which together make up the dietary fiber family. Compounds that dissolve or swell when put into water are called soluble fibers and include pectins, gums, mucilages, and some hemicelluloses. These compounds are found inside and around plant cells and exist as gum arabic, guar gum, locust bean gum, and pectins. Soluble fiber is found in cereals and a variety of foods such as salad dressings, jams, and jellies.

Fiber, insoluble

Insoluble fiber is a subclass of dietary fiber. Like its soluble cousin, insoluble fiber differs from starch because the chemical bonds that join individual sugar units can not be digested by enzymes in the human gastrointestinal tract. Insoluble fiber is considered a “noncarbohydrate carbohydrate” since the components that make up insoluble fiber are lignins, cellulose, and hemicelluloses. All of these compounds form the structural parts of plants and do not readily dissolve in water and are not metabolized by intestinal bacteria. Bran fiber is rich in hemicelluloses, while a cotton ball is pure cellulose.