Editor's note: Flu vaccine may help some people, but there is no guarantee for a specific individual to get the benefits because the efficacy of a flu vaccine is often lower. Regardless, food consumers need to take care of their diet and lifestyle to maintain adequate immunity so that they may prevent most if not all of the flu viruses.The 2009 flu season is upon us, and it appears to be hitting hard -- and early.
Staying well while those around you sniffle and sneeze requires that you extract as much nutrition from your diet as you can, loading up on the foods that pack the biggest nutritional punch.
Avoiding processed foods, grains and sugar will go a long way toward strengthening your immune system. However, you can do even more by selecting foods that are loaded with the specific immune boosting nutrients.
Eating a diet rich in the following foods will be far better for your health than loading up on handfuls of supplements, or worse yet, falling victim to vaccines that expose you to health risks far worse than influenza.
Below, I have outlined what I consider to be the absolute best foods you can eat to prepare yourself for the season, although the list is certainly not exhaustive.
1. Unpasteurized Grass-Fed Organic Milk
Raw organic milk from grass-fed cows contains beneficial bacteria that prime your immune system and can reduce allergies. It is an outstanding source of vitamins, especially vitamin A, zinc, and enzymes. Raw organic milk is not associated with any of the health problems of pasteurized milk such as rheumatoid arthritis, skin rashes, diarrhea and cramps.
Raw milk also contains beneficial fats that will help your immune system.
Although raw milk availability is limited in the US depending on where you live, you can locate the source closest to you at RealMilk.com.
Whey Protein
Even if you don’t have access to raw grass-fed milk, you can use a high-quality whey protein that comes from grass-fed cows to receive much of the same health benefits.
The protein in milk is whey protein. Whey is the liquid that separates from the curd during the production of cheese. When the liquid dries into powdered whey, the nutrients become concentrated, and it can be packaged and used in that form.
Whey protein can help you fight off colds and flu because it contains beta-glucans and immunoglobulins, which protect your immune system and support your body’s natural detoxification processes.
2. Fermented Foods
If you are serious about boosting your immunity, then adding traditionally fermented foods is essential.
One of the most healthful fermented foods is kefir. Kefir is an ancient cultured, enzyme-rich food full of friendly microorganisms that balance your “inner ecosystem” and strengthen immunity. Besides kefir, other good fermented foods include natto, kimchee, miso, tempeh, pickles, sauerkraut, yoghurt (watch for sugar), and olives.
Friendly bacteria have a powerful, beneficial effect on your gut’s immune system, your first line defense against pathogens, and aid in the production of antibodies.
3. Raw Organic Eggs From Free-Range Chickens
Before you wrinkle up your nose, raw eggs are an inexpensive and amazing source of high-quality nutrients that many people are deficient in, especially high-quality protein and fat. I am a proponent of raw eggs because they have been so helpful to my own health.
As long as you have a good source for fresh, organic raw eggs, you need not worry about salmonella. To find free-range pasture farms, try your local health food store, or go to http://www.eatwild.com or http://www.localharvest.com.
4. Grass-Fed Beef or Organ Meats
Grass-Fed beef comes from cows that eat what they were meant to eat—grasses, not corn or grains. This results in far greater health benefits for you the environment[i].
Grass-fed beef is very high in vitamins A and E, omega-3 fatty acids, beta carotene, zinc and CLA. CLA (conjugated linoleic acid, a fatty acid) is three to five times higher in grass-fed animals than grain-fed animals and is an immune system enhancer.
Don’t confuse “organic” with grass-fed, since many organically raised cows are still fed organic corn, which you don’t want. However, most grass-fed cows are raised organically. And if you can find organic AND grass-fed, that’s ideal.
5. Coconuts and Coconut Oil
Besides being excellent for your thyroid and your metabolism, coconut oil is rich in lauric acid, which converts in your body to monolaurin. Monolaurin is the actual compound found in breast milk that strengthens a baby’s immunity.
A great deal of research has been done establishing the ability of lauric acid to enhance immunity. This medium-chain fatty acid (MCFA) actually disrupts the lipid membranes of offending organisms.
When selecting coconuts and coconut oil, make sure you choose organic ones that are unrefined, unbleached, made without heat processing or chemicals, and non-GMO.
6. Locally Grown Organic Vegetables Appropriate for Your Nutritional Type
When it comes to fighting off pathogens, you simply can’t do any better than eating a variety of fresh, organic and preferably raw vegetables for the vitamins, minerals, antioxidants and enzymes they contain. However, the amount and type of vegetables you should eat daily will depend on your nutritional type.
Make sure the veggies you choose are fresh. The nutrient value drops to practically zero once a fruit or vegetable is canned. For example, take a look at the ORAC value of peaches.
ORAC Values
ORAC stands for Oxygen Radical Absorbance Capacity, and an ORAC unit or ORAC “score” is a standardized method of measuring the antioxidant capacity of different foods and supplements. The higher the ORAC score, the more effective a food is at neutralizing free radicals. The less free radicals you have, the healthier you will be.
Back to peaches.
A raw, fresh peach has an ORAC score of 1,814. A can of peaches in heavy syrup has an ORAC score of 436, meaning that more than 75 percent of the antioxidants are lost in the canning process.
You can check the ORAC score for many different things at www.oracvalues.com. The higher the score, the better. Please be aware, though, that the total antioxidant capacity of a food alone does not determine its health benefit, which depends on how it is absorbed and utilized by your body. ORAC score is a useful guide, but it is only part of the picture.
7. Blueberries and Raspberries
Blueberries and raspberries rate very high in antioxidant capacity (ORAC of 6,520), compared to other fruits and vegetables. Wild blueberries in particular are potent immune boosters. They contain powerful phytochemicals, such as anthocyanin, which is the pigment that gives blueberries their color. And they are lower in sugar than many other fruits.
8. Mushrooms
Mushrooms strengthen your immune system because they are rich in protein, fiber, vitamin C, B vitamins, calcium and other minerals, and even vitamin D -- one of the only foods that can provide you with this essential immune strengthener.
Mushrooms make up a large part of the fabric of the earth. According to Paul Stamets, one of the world’s leading authorities on the health benefits of mushrooms, one cubic inch of soil can contain eight miles of mycelium.[ii]
Mushrooms also contain powerful compounds called beta glucans, which have been long known for their immune enhancing properties. The beta glucans in medicinal mushrooms (especially Reishi, Shiitake and Maitake) are notable for their ability to activate/modulate the immune system.
Beta glucan[iii] enhances immunity through a variety of mechanisms, many of which are similar to those of echinacea or astragalus root. For example, it binds to macrophages and other scavenger white blood cells, activating their anti-infection activities.[iv] Numerous studies support this.
9. Chlorella
As foods go, chlorella is nearly perfect.
Chlorella is a single-cell freshwater algae that acts as an efficient detoxification agent by binding to toxins, such as mercury, and carries them out of your system. It is the chlorophyll in chlorella that makes it so powerful. Chlorophyll helps you process more oxygen, cleanses your blood and promotes the growth and repair of your tissues.
For a full review of all the benefits of this superfood, go to my chlorella page.
10. Propolis
Propolis is a bee resin and one of the most broad-spectrum antimicrobial compounds in the world, if not the broadest spectrum, according to master herbalist Donnie Yance. Propolis is also the richest source of caffeic acid and apigenin, two very important phenolic compounds that aid in immune response.
11. Teas
The two best types of tea for fending off microinvaders are Matcha green tea and tulsi tea.
Green Tea and Matcha
Matcha is the most nutrient-rich green tea and comes in the form of a stone-ground powder, completely unfermented. The best Matcha comes from Japan and has up to seventeen times the antioxidants of wild blueberries, and seven times more than dark chocolate.
Green teas are rich in polyphenols, in the form of natural chemicals called catechins. The most powerful catechin in tea is epigallocatechin (EGCG), which was found in one study to be 25 to 100 times more potent than antioxidant vitamins C and E. And Matcha is more than 100 times as potent in EGCG as regular brewed green tea.
Tulsi
Tulsi tea, coming from the holy basil herb, has been used for thousands of years in the Ayurvedic medicine of India. Not only is this tea loaded with antioxidants, but it has multiple positive health benefits, including supporting your immune health, memory, heart health and vision.
12. Herbs and Spices
Herbs and spices are at the top of the list of high ORAC value foods on planet Earth[v]. There are simply too many good ones to summarize here! So I will simply highlight a few that deserve special mention.
Garlic
Garlic, although not at the top of the ORAC chart (5,346), is incredibly beneficial to your immune system because it offers a triple-whammy: it’s antibacterial, antiviral and anti-fungal. You should be eating garlic every day. One of the best things about garlic is that bacteria, viruses, and yeast build up no resistance to it, unlike with synthetic antibiotics.
For optimal benefits, garlic should be fresh since the active ingredient is destroyed within one hour of smashing the garlic cloves. In other words, garlic capsules are basically useless.
Garlic contains allicin, a chemical that is anticarcinogenic. It also has been shown to lower LDL, lower total cholesterol, lower blood pressure, reduce your risk of blood clots and stroke, lower homocysteine, and even prevent insect bites -- including mosquitoes and ticks.
Herbs and Spice and Everything Nice
Immunity from common infections involves not only preventing pathogens from taking hold, but also moderating the immune response to invading pathogens.
Complications arise when you experience an over-response to the infection, which is why H1N1 is taking its toll on healthy young adults. Their bodies are over responding -- something called a “cytokine storm.” It’s basically a severe inflammatory response.[vi]
One wonderful thing about plants (and herbs especially) is that they don’t all stimulate the immune system—some modulate it, or act as a buffer.
Here are some of the best herbs and spices for building a strong immune system that functions correctly:
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Honeysuckle and chrysanthemum: good antivirals
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Artemisia: antimalarial
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Andrographis, aka “King of Bitters”: antiviral, and helps modulate inflammatory response[vii]
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Licorice: buffers the inflammatory response by increasing steroid output by the adrenal glands; a good buffer if your immune system is over responding to the flu.
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Turmeric: ORAC score of 159,277; general immune system booster due to its high antioxidant capacity, and an anticancer agent as well; turneric is 5 to 8 times stronger than vitamins C and E, and even strong enough to scavenge the hydroxyl radical, which is considered by some to be the most reactive of all oxidants
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Black Pepper: Increases the bioavailability of just about all other foods--herbs and other things
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Oregano: ORAC 13,970; active agent is rosmarinic acid, a strong antioxidant; one tablespoon of oregano has the antioxidant capacity of one medium apple
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Cinnamon: ORAC 267,536; powerful antimicrobial agent—found to kill E. coli and many other bacteria; also has antiinflammatory compounds
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Cloves: THE BIG ORAC GRAND PRIZE WINNER AT 314,446, highest of all foods tested! Contains eugenol; its mild anaesthetic benefits are useful for toothaches and sore throats; good antiinflammatory[viii]
Finally, I recently had a fascinating interview with herbalist Donnie Yance, who shared his basic remedy for flu, should you come down with one.
Make this special tea from a combination of herbs that synergistically cause your body to sweat -- which is very desirable if you want to eradicate a virus from your system. And then drink it hot and often:
1. Elderflower (this has been used for hundreds of years for flu)
2. Boneset (eupatorium)
3. Yarrow
4. Linden
5. Peppermint
6. Ginger
By incorporating some of these fantastic foods, you’ll not only evade the circulating viruses but improve your overall health and longevity at the same.
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