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Food For Better Immunity

Yogurt

Fruit-on-the-bottom, plain, or blended, yogurt is a great source of good bacteria called probiotics. These healthy bacteria have been all the rage and we’ve all gotten the memo of it’s importance when it comes to digestion. But, what does it have to do with not catching a bug? About 70% of our body’s immune system response is found in our GI tract and because our gut is on the front lines when it comes to contact with external bacteria, it’s important to keep our gut healthy to keep us healthy overall.

Garlic

Folklore tells us garlic keeps vampires away but what about scaring off the common cold? One small clinical trial found that in a study of 146 subjects, individuals who received a garlic supplement daily for 12 weeks reported fewer days of illness. Although the results of the study were subjective, it may not hurt to add an extra bulb or two to tonight’s dinner dish.

Carrots

As you can imagine, our skin is one of the most important lines of defense, protecting our insides from the outside world. It’s crucial to keep our skin healthy and vitamin A (found in carrots) plays an important role in this. Aside from supporting the physical barrier, vitamin A acts as an immune enhancer internally as well and a deficiency of this vitamin can weaken our immune system, increasing risk of infection. So how much do we need? For adults, a range of 700 – 900 micrograms is recommended. Other sources of vitamin A include: kale, broccoli, squash, cantaloupe, apricots, fish and sweet potatoes.

Black Tea

Hot tea is a common cold time staple because it’s soothing on the throat, but there may be more benefit to this than originally thought. Black tea contains a small amino acid called L-theanine, which may help to support the immune system. A small study from Brigham and Women’s Hospital in Boston found an increase in interferon, which helps to fight infection in subjects who drank five cups of black tea each day. Another benefit? Hydration is crucial when you’re feeling down so tea, juice, and water are all great fluid options.

Cashews

Cashews are so much more than just a delicious snack; they’re also a good source of zinc and when zinc levels are down, your immune system is down. Your body needs zinc to develop and activate T-lypmphocytes, which help the immune system respond to infection and act as a first line of defense in attacking infected cells. Other good sources of zinc include: beef, chicken, fortified cereals, crab, and beans.

Apples

There may be some truth to the old adage, an apple a day keeps the doctor away. Apples contain quercetin, a compound found in plant foods, which has been shown to help reduce illness rates in athletes who are undergoing heavy training. Other quercetin-containing foods include: onions, red wine, tea, grapes, strawberries, and kale.

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