Don't Succumb to Cold and Flu Season

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Most of us want to spend the holiday season socializing with friends and family, not spending quality time on the couch with a box of tissues. Unfortunately, this time of year also presents many opportunities to catch a bug. Try bolstering your immunity with the following natural strategies.

Natural Strategies to Improve Immunity


  • Breathe Clear

    Try moistening nasal passages with sprays or washes. Saline sprays or xylitol sprays help liquefy secretions, eliminating buildup. They also reduce inflammation, decrease postnasal drip, and flush mucus from your nose. Studies show that kids given xylitol products or nasal spray are less likely to develop ear infections.

  • Exercise (But Not Too Hard)

    While too much intense exercise can weaken one’s immunity, moderate exercise improves the functioning of infection-fighting cells.

  • Get Rest & Relaxation

    Chronic stress suppresses the immune system, increasing your chance for infection, so get enough relaxation and sleep.

  • Take Vitamin D

    Vitamin D3 boosts immune cells. It can be challenging to get enough during the winter without supplementation. Research has linked low levels of vitamin D in the blood with greater susceptibility to flu, colds, and upper respiratory tract infections.

  • Vitamin “C” the Light

    This vitamin helps produce anti-stress hormones and interferon, an immune system protein. It stimulates production of infection-fighting white blood cells. Find it in citrus fruits and veggies such as broccoli and kale. If you have a cold or the flu, “take vitamin C 1,000 to 3,000 milligrams (mg) every few hours while awake, then lower the dose if and when you get loose stools,” recommends Jacob Teitelbaum, MD.

  • Gobble Garlic

    Garlic protects the body from illness and helps it recover more quickly from a virus. It also contains zinc. People deficient in this mineral tend to get sick more often. If you don't care for garlic, you can try odorless aged garlic extract.

  • Think Zinc

    To relieve sore throats, Dr. Teitelbaum recommends zinc lozenges (containing 10 to 20 mg of zinc) four or five times daily. Take zinc within 24 hours of the first symptoms; it can shorten a cold by a day or more as well as lessen symptoms.

  • Be “Pro” Probiotics

    Probiotics (“good” or “friendly” bacteria) improve immunity. They come from fermented foods (yogurt, kefir, miso, sauerkraut) and can also be taken in capsule form.

  • Make Room for Mushrooms

    Consider medicinal mushrooms such as reishi, maitake, and cordyceps. Reishi reduces stress and strengthens the immune system at the same time that it regulates excessive immune response, such as allergies and autoimmune diseases.  Maitake mushroom extract stimulates white blood cells that target bacteria. Cordyceps improves lung function in chronic bronchitis.

  • Slurp Soup

    Chicken soup keeps you hydrated, eases congestion, and soothes your throat. Plus it tastes good.

  • Find Ease with Echinacea

    Studies show that this herb can decrease the duration and severity of colds and flu.

  • Savor Dark Chocolate

    You read that right. “Dark chocolate is an effective and tasty cough suppressant. It’s as effective as codeine,” says Dr. Teitelbaum.

  • Sip Teas

    In addition to being hydrating, green tea and chamomile tea are rich in antioxidants. Many teas are also associated with relaxation, which may be helpful for boosting immunity. Blends that include echinacea, elderberry, slippery elm, or other immune-boosting and symptom-soothing ingredients can do double-duty on your cold.

Xlear has xylitol, a natural ingredient clinically proven to break up the colonies where bacteria thrive.

Sources: 

 “Differential Effect on Cell-Mediated Immunity in Human Volunteers After Intake of Different Lactobacilli” by C. Rask et al., Clin Exp Immunol, 5/13

“Exercise and Immunity” MedlinePlus, www.nlm.nih.gov/medlineplus, 2014

“Garlic: Nature's Protection Against Physiological Threats” by M.S. Butt et al., Crit Rev Food Sci Nutr, 6/09

“Green Tea Consumption Is Inversely Associated with the Incidence of Influenza Infection Among Schoolchildren . . .” by M. Park et al., J Nutr, 10/11

“Impact of the Discovery of Human Zinc Deficiency on Health” by A.S. Prasad, J Trace Elem Med Biol, 9/16/14 

“Psychological Stress and the Human Immune System: A Meta-Analytic Study of 30 Years of Inquiry” by S.C. Segerstrom and G.E. Miller, Psychol Bull, 2006.

“Viral Upper Respiratory Infection” by B. Barrett, Textbook of Family Medicine, 2011

“Vitamin D and the Immune System” by C. Aranow, J Investig Med, 8/12

Contributor: 

Pamela Bump

Pamela is a recipient of Boston University’s Master of Science in Media Ventures. In addition to developing online content and managing social media for Taste for Life, she’s served as Health Editor/Copy Editor for the Keene Sentinel newspaper, Social Media/Member Engagement Coordinator for Boston Women in Media & Entertainment, and Editorial Assistant for MedTechBoston.com.