Managing Food Allergies and Intolerances Naturally

Food allergies and intolerances are a fact of life for some of us. But why do we have them and what are some ways to manage them naturally?

Foods that often cause allergies or intolerances including milk, peanuts, tree nuts, soybean, fish, shellfish, and eggs

Food allergies inflict about 220 to 250 million adults worldwide. Some experts believe Malaysia’s figures could be close to that, with 10-15% of Malaysian children having food allergies.

You might have heard that a friend is allergic to peanuts, and another friend has a gluten sensitivity. What are food allergies and intolerances? Is there a difference between the two? What are some natural approaches to managing these conditions? Read on to find out the answers to these questions.

Food Allergies versus Food Intolerances

Women in white shirt scratches food allergy rash on arm
Food allergy rash is one of the reactions caused by an overreactive immune system

As you might know, food allergies involve an immune response from within your own body against a particular substance found in your food, whereas food intolerances happen when your body is unable to properly break down food. While food intolerance can make you feel miserable, it is usually not life-threatening in the way that food allergies can be.

Food allergy: Your immune system thinks a substance is an intruder

A food allergy occurs when your body thinks a particular substance in your food is a harmful intruder. It will then instigate an immune response to expel the substance. An allergic reaction to food is immediate and can involve the skin, the gastrointestinal tract, the respiratory tract, the central nervous system as well as the cardiovascular system.

Food skin allergy symptoms may include eczema, hives, or urticaria, which is when the skin is red and raised. Usually, there is also itching and swelling of the face including around the mouth, nose, and eyes.

In some cases, the symptoms are similar to food intolerance symptoms such as vomiting, diarrhoea, and abdominal cramps. An allergic reaction can be very serious when your system goes into shock, called anaphylaxis. This includes a severe narrowing of your airways. 

The most common food allergens include egg (especially egg white), cow’s milk, gluten in wheat, tree nuts, fish, shellfish, and peanuts. We still don’t know why some people develop certain food allergies.

Although, we do know that allergies typically begin in early childhood and progress into adult life. Research also indicates that if you have a relative with food allergies, you are also more likely to develop one.

Food intolerance: Your body can’t break down certain foods properly

Sometimes your body is unable to appropriately break down certain foods. This could be due to missing certain enzymes (which could be hereditary) or having sensitivity to certain food preservatives or additives.

Unlike food allergies which can be triggered by even the smallest amount of the allergen, food intolerance usually occurs when a certain amount of the substance has been ingested.

Common substances known to cause food intolerance include lactose (found in milk), histamines (found in dairy products like cheese and yoghurt, bananas, pineapples, avocados, chocolate, and wine), and gluten (the protein that makes bread stretchy and spongy).

Symptoms may include bloating, gas, diarrhoea, constipation, abdominal tightness, vomiting, and nausea. Some people can also get headaches or in some cases suffer from migraines because of their food intolerance.

Doctors and the medical community do not understand food intolerances well, but they are less serious and not life-threatening compared to food allergies.

In this perspective, we’re still unsure why some people develop food intolerances.

The TCM Perspective

Dried astragalus root on top of some Traditional Chinese Medicine notebooks
Astragalus is a TCM herb used to strengthen the spleen and improve lung qi to help boost the immune system and improve food allergies.

In Traditional Chinese Medicine (TCM), much of the framework for understanding illnesses leverage the thousands of years of human experience in eating foods and observing their reactions to them. As in Western medicine, TCM recognises that a minority of people do have certain reactions to certain foods.

TCM literature meticulously recorded food allergies and categorised certain foods as “stimulating foods”. These can further compromise a body with a weak immune system. 

“This is based on TCM ideology that sufficient healthy qi means pathogens are less likely to invade the body with a strong immune system and vice versa,” explains TCM Physician Chu I Ta. TCM Physician Vong U Chan echoes this explanation by sharing that when the qi in our digestive organs is low, we are unable to process foods optimally.

The lung, kidney, stomach, and spleen are critical to a robust digestive system and immune defence, while pathogenic factors in this context are certain foods that stimulate wind, cold, dryness, dampness, and heat. 

“For example, today’s lifestyle which favours rich and heavy foods results in excess phlegm and dampness. Also, spending more time indoors and moving less results in weakness of the lungs and kidneys. That can trap phlegm and dampness inside the body,” Physician Chu elaborates. 

“When we talk about food allergies in TCM, we are referring to wind and heat syndromes. However, excess fire in the body invigorates the wind, leading to skin allergies like redness, patches, and hives. These usually happen as a reaction to consuming spicy foods, seafood, and foods high in animal protein.”

Living with Food Allergies and Intolerances

For both food allergies and intolerances, it is of course best to avoid the offending foods altogether. But food labelling is not always perfect, and complete avoidance is likely to be impossible. So you should still come up with a strategy in case you’ve ingested something your body does not agree with.

Work with your healthcare professional to test for food allergies. As allergies could be severe, sending your body into anaphylactic shock. Also, maintain a food diary to keep track of what you eat and what reactions you have to the foods. Take note of how soon they appear as well.

There are drugs and medicines such as antihistamines for allergies or antacids for heartburn. However, there’s also a lot you can do with natural remedies. The more robust and optimal your immune system, the less likely you are to develop food allergies.

Vitamin D and zinc, for example, are involved in optimal immune responses, while prebiotics and probiotics can promote healthy digestion. Make a habit of consuming foods that naturally contain these vitamins and minerals. 

There are also many TCM remedies known to boost immunity, helping with food allergies and intolerances. The Astragalus porridge, for example, strengthens the spleen’s digestive powers as well as improves lung qi.

Ginseng chicken soup helps strengthen immunity and fight fatigue. Those who prefer tea, Ganoderma-Perilla tea, containing Ganoderma Lingzhi (灵芝), perilla leaf (苏叶), and poria (茯苓) helps to expel cold and wind in the body. They can also prevent cold and flu. Lingzhi is another common TCM herb used in formulations to help strengthen the immune system and restore balance in the digestive system.

Meanwhile, acupuncture can help with food allergy symptoms. Acupoints including Zu San Li (ST36), Tian Shu (ST25), Guan Yuan (CV4), San Yin Jiao (SP6) can control asthma and asthma-related inflammation which is like an allergic reaction.

Both food allergies and food intolerances can negatively impact your quality of life when they get out of hand. Some food allergies can even have life-threatening consequences.

A healthy diet, regular and sufficient exercise, along with quality rest and managing stress all help build and maintain an optimally functioning body including a robust immune system. Fortunately, you can learn to manage these conditions using natural remedies, without necessarily resorting only to drugs and medicines. 

References

  1. Research Gate. 2019. Revelation of Children and Adult’s Food Allergen in Malaysia.  [Accessed 16 January 2022]. 
  2. Better Health Channel, Department of Health, State Government of Victoria, Australia. 2017. Food allergy and intolerance.  [Accessed 16 January 2022]. 
  3. American Academy of Allergy, Asthma, and Immunology. 2020. Food Intolerance Versus Food Allergy.  [Accessed 16 January 2022]. 
  4. Allergy Asthma Network. What is the Allergic March.  [Accessed 16 January 2022]. 
  5. American College of Allergy, Asthma, and Immunology. Food Allergy.  [Accessed 16 January 2022]. 
  6. Frontiers in Immunology. 2020. A Comprehensive Review on Natural Bioactive Compounds and Probiotics as Potential Therapeutics in Food Allergy Treatment.  [Accessed 16 January 2022]. 
  7. Allergo Journal International. 2014. Acupuncture in allergic rhinitis: A Mini-Review.  [Accessed 16 January 2022]. 
  8. Nutrients, Multidisciplinary Digital Publishing Institute. 2017. The Role of Nutritional Aspects in Food Allergy: Prevention and Management.  [Accessed 16 January 2022]. 

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