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Astragalus: Your Natural Ally for Immune Support This Cold Season

  • Writer: Tammy Catania
    Tammy Catania
  • Feb 21, 2025
  • 4 min read


As a holistic nutritionist and herbalist, I’m always looking for natural remedies to help support the body, especially when the seasons change and we start to feel the inevitable shift in the air.


One herb I turn to often is Astragalus—a powerful adaptogen that can be a game-changer during the colder months when respiratory issues and colds seem to be lurking at every corner.


What is Astragalus?

Astragalus, scientifically known as Astragalus membranaceus, is a herb native to China and has been used in traditional Chinese medicine for centuries. It’s known for its ability to support overall health and resilience, particularly when it comes to the immune system. Astragalus is an adaptogen, which means it helps the body adapt to stressors, making it especially helpful in times when our immune system needs a little extra support.


Why Astragalus is Essential During the Cold Season


When the temperatures drop and the days get shorter, our bodies can become more vulnerable to colds, respiratory issues, and the seasonal sniffles. That’s when Astragalus really shines. It’s often one of the first herbs I reach for when I sense the onset of respiratory illness, as it has been shown to help fortify the immune system. While it doesn’t cure anything, it provides a natural, grounding support that can be incredibly beneficial when you’re starting to feel under the weather.

Astragalus is particularly known for its ability to support the body’s response to infections. It’s been used for centuries in herbal medicine to boost immunity and enhance the body’s ability to resist external stressors, including seasonal illnesses. It works by stimulating the production of white blood cells, which are key players in the immune system’s defense against invaders like viruses and bacteria.


How Astragalus Works to Support the Immune System


Astragalus contains compounds that help the body by:

  1. Strengthening the Immune System: Astragalus helps regulate and enhance immune function by stimulating the activity of macrophages (cells that engulf and destroy pathogens) and T-cells, both of which play an important role in defending the body against infections.

  2. Enhancing Respiratory Health: When you feel that tickle in your throat or congestion in your chest, Astragalus works as a natural immune booster that can help your body fight off the symptoms. It supports the lungs and respiratory system, which are particularly vulnerable during the colder months.

  3. Boosting Energy and Reducing Fatigue: As an adaptogen, Astragalus helps the body manage stress and can help boost energy levels, which is especially helpful when you’re run down from seasonal stress and colds. Its gentle energy-boosting effects can help you feel more resilient and energized as your body works to stay healthy.


My Go-To Herb for the First Signs of Respiratory Illness


As a mom, herbalist, and holistic health practitioner, I know that the first sign of a cold or respiratory issue can often be the hardest to address. That’s why Astragalus is one of my go-to herbs to keep on hand. I use it in tincture or capsule form at the first sign of any congestion or fatigue creeping in. It’s one of those herbs that doesn’t necessarily feel powerful, but over time, you’ll notice that you’re better equipped to handle the season’s illnesses when it’s a regular part of your wellness routine.


At our home, we trust St. Francis Astragalus to provide us with this amazing herb. I love supporting St. Francis Herb Farm, a Canadian-run company that grows and manufactures its products right here in Canada. Their commitment to quality and sustainability aligns perfectly with my values, and their Astragalus is one of the best I’ve found. It’s made with Canadian-grown ingredients, ensuring the highest quality and potency, and I trust it to support my family during the cold season.

You can check out their St. Francis Astragalus here to learn more about this incredible product and how it can support your health.


How to Use Astragalus


Astragalus can be found in a variety of forms, including:

  • Tinctures: A concentrated liquid extract, which is easily absorbed into the body.

  • Capsules: Convenient for on-the-go or when you don’t have time for a tea or tincture.

  • Teas: You can brew a mild tea with astragalus root (usually combined with other immune-supportive herbs for enhanced benefits).

  • Powder: Add a spoonful of astragalus powder to smoothies, soups, or stews for an extra immunity boost.


While it’s a great herb to use when the first signs of a respiratory issue show up, it’s also excellent as a preventative measure to incorporate into your routine throughout the fall and winter months. With its long history of use and gentle, effective support, it’s one of those herbs that has truly earned its place in my wellness toolkit.


Final Thoughts


As we navigate the inevitable wave of colds and respiratory issues that often arise during the colder months, Astragalus stands out as a gentle yet powerful herb to support our immune systems and help us stay healthy. It doesn’t replace other healthy habits, but it’s a great ally when used alongside a nutrient-dense diet, proper rest, and plenty of hydration.


When you're feeling overwhelmed by the changing season and the inevitable onset of illness, remember that nature often has the most powerful solutions to help your body stay resilient. If you’re looking to incorporate Astragalus into your health regimen this winter, start with small doses at the first sign of illness and continue to support your immune system throughout the season.


As a mother, herbalist, and holistic nutritionist, I trust in nature’s wisdom to help support the body when it needs it most, and Astragalus is one herb that I can always count on to help my family through the colder months.

 
 
 

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