There are plenty of supplements and products claiming to help boost immunity. But supporting a healthy immune system is more complicated tha...
There are plenty of supplements and products claiming to help boost immunity. But supporting a healthy immune system is more complicated than taking the mix of vitamins, herbs and minerals manufacturers package into pills.
Your immune system operates in a delicate balance. From a cold to the flu to COVID-19, it has to be strong and sophisticated enough to fight off a variety of illnesses and infections, but not so strong that it overreacts unnecessarily causing autoimmune disorders to develop.
To achieve this, it's very tightly controlled by many inputs and in response to what's actually happening inside of your body.
Like we said, complex.
There are things you can do to help give your immune system what it needs to function optimally when needed, though. Although none involve taking a supplement.
Here are 6 science-backed ways to build and maintain a strong, healthy immune system:
1. Stay up-to-date on recommended vaccines
A strong immune system means taking advantage of the best leg up we have to protect ourselves from harmful illnesses: vaccines.
Your immune system is smart, but vaccines train it to be even smarter helping it learn how to recognize and fight off certain disease-causing illnesses. It's much safer for your immune system to learn via vaccination than through infection with these harmful germs.
It's always important to be up-to-date on recommended vaccinations, especially your COVID-19 vaccine or booster as well as your annual flu shot.
2. Maintain a healthy diet
As with most things in your body, a healthy diet is key to a strong immune system. This means making sure you eat plenty of vegetables, fruits, legumes, whole grains, lean protein and healthy fats.
In addition to providing your immune system the energy it needs, a healthy diet can help ensure you're getting sufficient amounts of the micronutrients that play a role in maintaining your immune system, including:
- Vitamin B6, found in chicken, salmon, tuna, bananas, green vegetables and potatoes (with the skin)
- Vitamin C, found in citrus fruit, including oranges and strawberries, as well as tomatoes, broccoli and spinach
- Vitamin E, found in almonds, sunflower and safflower oil, sunflower seeds, peanut butter and spinach
Since experts believe that your body absorbs vitamins more efficiently from dietary sources, rather than supplements, the best way to support your immune system is to eat a well-balanced diet.
3. Exercise regularly
Physical activity isn't just for building muscles and helping yourself de-stress it's also an important part of being healthy and supporting a healthy immune system.
One way exercise may improve immune function is by boosting your overall circulation, making it easier for immune cells and other infection-fighting molecules to travel more easily throughout your body.
In fact, studies have shown that engaging in as little as 30 minutes of moderate-to-vigorous exercise every day helps stimulate your immune system. This means it's important to focus on staying active and getting regular exercise.
4. Hydrate, hydrate, hydrate
Water plays many important roles in your body, including supporting your immune system.
A fluid in your circulatory system called lymph, which carries important infection-fighting immune cells around your body, is largely made up of water. Being dehydrated slows down the movement of lymph, sometimes leading to an impaired immune system.
Even if you're not exercising or sweating, you're constantly losing water through your breath, as well as through your urine and bowel movements. To help support your immune system, be sure you're replacing the water you lose with water you can use which starts with knowing what your daily water intake should be.
5. Get plenty of sleep
Sleep certainly doesn't feel like an active process, but there are plenty of important things happening in your body when you're not awake. For instance, important infection-fighting molecules are created while you sleep.
Studies have shown that people who don't get enough quality sleep are more prone to getting sick after exposure to viruses, such as those that cause the common cold.
To give your immune system the best chance to fight off infection and illness, it's important to know how much sleep you should be getting every night, as well as the steps to take if your sleep is suffering.
6. Minimize stress
Whether it comes on quick or builds over time, it's important to understand how stress affects your health including the impact it has on your immune system.
During a period of stress, particularly chronic stress that's frequent and long-lasting, your body responds by initiating what's called a stress response. It's meant to help you handle the stressful situations coming your way. Unfortunately, this response also suppresses your immune system increasing your chance of infection or illness.
Stress is different for everyone, and how we relieve it is, too. Given the effect it can have on your health, it's important to know how to identify stress. And, whether it's deep breathing, mediation, prayer or exercise, you should also get familiar with the activities that help you reduce stress.
One last word on supplements
If you're otherwise healthy and taking the steps above, be wary of supplements claiming to boost your immune system even more.
Unlike medications, supplements aren't regulated or approved by the FDA. And there's no evidence that supplements actually help improve your immune system or your chances of fighting off an infection or illness. For instance, if you think a megadose of vitamin C can help you keep from getting sick, think again.
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