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NAC (N-acetylcysteine)

Produced by the body, N-acetylcysteine (commonly called NAC) is a form of the amino acid cysteine. Because it enhances the production of the Enzyme glutathione, one of the body’s powerhouse antioxidants, NAC can both stave off disease and play an important role in boosting the immune system. Studies have shown that glutathione levels are often reduced in people with certain conditions related to the immune system.

Vitamin C

In the eighteenth century, seasoned sailors found that by sucking on lemons they could avoid scurvy, a debilitating disease that often developed during long voyages when fresh fruits and vegetables were scarce. When the lemon’s key nutrient was formally identified in 1928, it was named ascorbic acid for its anti-scurvy, or antiscorbutic, action. Today ascorbic acid is widely known as vitamin C.

Magnesium

Essential for hundreds of chemical reactions that occur in the body every second, the mineral magnesium has received surprisingly little attention over the years. Recent findings, however, suggest that it also has important health-promoting benefits, from an ability to prevent heart disease to a role in treating such chronic conditions as fibromyalgia and diabetes.

Hawthorn

Hawthorn (Crataegus oxyacantha), a rose family member popularly planted along hedges to deter trespassers with its prickly branches, has heart-healthy properties that ancient Greeks and Native Americans recognized centuries ago. Its modern reputation as a healing agent dates to Victorian times, when an Irish physician’s secret heart formula was ultimately revealed to contain a tincture made from the bright red berries.

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.

Copper

Copper is the third most abundant trace mineral in the human body. Most Americans readily identify it as the dark reddish, malleable metal used in cookware and plumbing. Numerous foods contain copper, although the particularly rich sources such as liver and oysters are not commonly consumed. In fact, most Americans get too little of this important nutrient.

Coenzyme Q10 (CoQ10)

One of the world’s most popular supplements, the chemical coenzyme Q10 has generated great excitement as a heart disease remedy and a cure for countless other conditions. The body naturally produces this compound, which has been dubbed “vitamin Q” because of its essential role in keeping all systems running smoothly. In fact, the scientists who identified coenzyme Q10 in 1957 initially honored its ubiquitous presence–it’s found in every human cell and in all living organisms–by naming it “ubiquinone.” Small amounts are also present in most foods.

Carotenoids

Carotenoids are the pigments that color some fruits and vegetables red, orange and yellow. Recent research has shown that, acting as antioxidants, these natural plant compounds can boost the immune system and possibly lower the risk of heart disease, prevent the onset of some cancers, and protect against such age-related diseases as cataracts and macular degeneration.

Alpha-Linolenic Acid

Alpha-linolenic acid is an essential fatty acid and the major omega-3 fatty acid found in food. Essential fatty acids are not produced by the body and must be present in the diet to maintain health. The unique biochemical structure of alpha-linolenic acid is important and helps to make it a key player in immunity, vision, cell membranes, and the production of hormonelike compounds.