Pure Energy

The quest for pure energy dates back millennia. Increased alertness, peak mental function and sustained physical power are all qualities that ancient fighters wielding bows and arrows coveted. Today's urban warriors are much the same, eager to stay alert for commutes and conference calls. The remedies we seek out are similar as well. Ginseng, caffeine and Eastern medicine are still utilized for their natural potency, but now we know how and why they work—and how to make the most of them.

Now, as then, you're nowhere without the basics, namely sleep, smart eating and exercise. First, aim for the commonly recommended eight hours of slumber. For some, a brief nap may lead to greater alertness and productivity. But resist longer naps, which may throw off your internal clock and lead to grogginess.

Pack in energy-promoting foods. The very definition of energy is calories. So make them count. "The simplest change you can make is increasing fruits and veggies," says Dee Sandquist, an American Dietetic Association spokesperson. They provide fiber, vitamins and minerals and lift energy, too. And because fatigue can be caused by dehydration, consume fluids, advises Liz Applegate, a nutritionist at the University of California at Davis. There's no need for designer liquids such as vitamin drinks; plain tap water is just fine.

When a diet is lacking in nutrients, a multivitamin can provide a good health insurance policy. The same wisdom applies to oft-touted energizers such as magnesium and B vitamins; deficiencies in either can leave you dragging. Physical activity is just as important. Prolonged exercise prompts the body to produce endorphins, which flood you with vigor and well-being.

Caffeine

Caffeine is the world's most popular drug. In the United States, some 85 percent of Americans use it daily. It can be found in coffee, tea, chocolate and cola. Caffeine provides the kick in many traditional drinks from South and Central America, such as yerba mate (Ilex paraguariensis) and guarana (Paullinia cupana). Extracts of the West African kola nut and leaf (Cola nitida and Cola acuminata) have been used in energy drinks throughout the decades.

How It Works

Caffeine stimulates the central nervous system to speed up heart rate, raise blood pressure and rev up metabolism. It heightens alertness and aids concentration, as any frazzled college student can attest. Clinical trials in athletes show that it increases aerobic endurance and the ability of muscles to contract.

Suggested Dose

When it comes to caffeine, form is a matter of taste and amount a matter of experience. For some, two cups of coffee a day will do the trick. For others, it's a cup of tea and a chocolate bar. It's good to know the amount that will satisfy your energy needs, because overuse can bring on the jitters, insomnia and other adverse reactions. For athletes, the smallest dose linked to positive results is 250 to 500 milligrams (or three cups of coffee).

Carbs

Carbohydrates may have taken a slugging in recent years, but the basic truth remains: The body and brain rely on them for energy.

How It Works

Simple carbohydrates like white sugar, corn syrup and milk absorb quickly into the bloodstream and provide bursts of energy. But it's the complex carbohydrates—whole grains, potatoes, legumes, vegetables, fruits—that provide the long-term fuel required to keep body and brain energized.

Suggested Dose

Consume 6 to 11 servings throughout the day. But avoid overdoing it or you'll end up feeling sluggish and sleepy. (Easier said than done in a country where the average bagel is equivalent to four or five slices of bread!) To protect your waistline, stick to complex carbohydrates.

Traditional Chinese Medicine

According to practitioners of Chinese and other Eastern medicines, health pivots on the balance of energy flow in the body. Practices such as shiatsu, acupressure and acupuncture can correct imbalances by clearing blockages of qi (or energy flow). Some forms of exercise, such as yoga and tai chi, a martial art, also revitalize energy flow. Along with a workout, they increase balance and flexibility and lessen stress.

How It Works

Shiatsu practitioners apply pressure—holding, stretching and rubbing—along tension spots as well as the body's energy channels, or meridians, to clear energy blocks. Acupuncturists insert hair-thin needles for a similar effect, while acupressure massage applies specially targeted pressure. These therapies also relieve pain by releasing endorphins, the body's natural painkillers, and by lowering stress hormones like adrenaline.

How To Start

Practitioners of these holistic treatments and exercises are easy to find. Ask your doctor for a referral, or look for professional associations or certification commissions, such as the National Certification Commission for Acupuncture and Oriental Medicine in Alexandria, Virginia. Or, better yet, check out Psychology Today's online Health Professionals Directory and search by zip code.

Panax Ginseng

With a stellar 2,000-year-old reputation for safety and effectiveness, the famed plant is a feel-good tonic and energy-boosting herb of the highest order. It revitalizes, combats stress, bolsters the immune system, improves concentration and is even known to stimulate sexual desire. Indigenous to China and cultivated worldwide, the herb is sometimes called Chinese, Korean, Asian or American ginseng.

How It Works

Tags: american dietetic association, bows and arrows, caffeine, carbohydrates, coffee tea, diet, eastern medicine, endorphins, energy, fruits and veggies, health, internal clock, liz applegate, tap water, university of california at davis, vitamins and minerals