Natural Immune Support
Getting Ready for Cold & Flu Season
written by
Brooke Whitman-Roberts
Wellness Manager
Nourish Your Immunity
As the days grow shorter and the temperature begins to drop, many of us start looking forward to the season ahead: the first snowfall, cozy evenings indoors, and weekends on the ski hill. Unfortunately, colder weather also tends to bring sore throats, sniffles, and seasonal illnesses. The good news is that there are many natural ways to support a healthy immune system, from eating nutrient-dense foods and managing stress to incorporating targeted supplements into your routine.
Understanding immunity
Your immune system is working for you every day. It serves as your body’s surveillance and defence network, constantly scanning for viruses, bacteria, and other foreign invaders that enter through the skin, digestive tract, and respiratory system. Physical barriers such as your skin, mucous membranes, stomach acid, and beneficial gut bacteria form the first line of defence. If a potential threat does get through these barriers, specialized immune cells quickly recognize it and coordinate a response to neutralize and eliminate it, often before you ever notice symptoms.
When you do become sick, your immune system shifts into a more active response. White blood cells communicate with one another using chemical messengers, triggering inflammation and recruiting additional immune cells to the affected area. This process may lead to familiar symptoms such as a fever, sore throat, runny nose, fatigue, or swollen lymph nodes. While these symptoms can be unpleasant, they are often signs that your immune system is actively working to clear the infection. Once the threat has been cleared, the immune system creates memory cells that help it recognize the same pathogen in the future, allowing it to respond more quickly and effectively if you’re exposed again.
The Foundation
Your daily lifestyle and nutrition form the true foundation of natural immunity. Prioritizing seven to nine hours of quality sleep each night supports your body’s production of cytokines, proteins that help coordinate the fight against infection and inflammation. Hand in hand with rest is stress management; chronic stress keeps cortisol elevated, which over time can dampen your immune response. Practices like mindfulness, breathwork, and regular exercise, as well as spending time in nature and with people you love, are great ways to reduce stress. It’s also important to focus on a diet rich in whole foods, colourful vegetables, lean protein, and healthy fats to provide the antioxidants and micronutrients your cells need to thrive. By balancing a rested mind with a nutrient-dense plate, you create an environment where your immune system can do its best work.
Preventive Measures
Echinaforce 120T, Naka Vitamin D3 100ml, Natural Factors Quercetin Complex, CanPrev ColdPro, New Earth Organics Colostrum + 16 Mushroom Blend
It’s important to prepare your immune system before a threat arrives. Rather than waiting until you feel a scratchy throat, it may be helpful to include targeted natural health products in your daily routine to reinforce your body’s natural defences. Here’s a look at some heavy hitters in preventive immune care and how they work.
- Vitamin D: Vitamin D plays a foundational role in immune health. It helps trigger the production of antimicrobial peptides (your body’s built-in defence molecules) and helps keep immune cells from overreacting, supporting a balanced inflammatory response.
- Quercetin: Think of this plant antioxidant as a cellular bodyguard. Quercetin helps carry zinc across cell membranes and into your cells, where early research suggests it may help interfere with viral replication.
- A. Vogel Echinaforce (Echinacea): This clinically studied extract of Echinacea purpurea works by keeping your immune system on “ready alert.” Echinaforce helps modulate your immune response, supporting your white blood cells as they recognize and respond to pathogens.
- Medicinal mushrooms: Fungi like reishi, chaga, and lion’s mane are rich in complex sugars called beta-glucans. These compounds act like a training camp for your immune system, helping immune cells identify and respond to foreign invaders more efficiently. Reishi, in particular, is also traditionally used as an adaptogen to help the body manage stress, which further supports immunity.
- Astragalus: A staple in Traditional Chinese Medicine, astragalus is an excellent long-term tonic for the changing seasons. Research suggests it may support the production of white blood cells and interferon, a protein that helps flag and fight viral invaders. Note that astragalus is not recommended if you have a fever.
- Colostrum: Colostrum is a rich source of antibodies, particularly immunoglobulin A (IgA). Taking colostrum may help fortify the mucosal linings of your respiratory and digestive tracts, supporting a physical and biological barrier that makes it harder for pathogens to take hold.
The Gut-Immune Connection
Bio-K Blueberry 6 Pack, Flora Adult Probiotic, Flora Seniors Probiotic, Cultured Coconut
An estimated 70% of your immune system resides in your gut. The lining of your digestive tract acts as a critical barrier, deciding what enters your bloodstream and what gets flushed away. A healthy, diverse gut microbiome communicates with your immune cells, helping train them to distinguish between harmless food particles and harmful invaders. When your gut flora is out of balance, your immune system can become sluggish or overly reactive, which can contribute to inflammation throughout the body.
Incorporating probiotics can be a helpful preventive strategy during cold and flu season. Probiotics are live, beneficial bacteria that help crowd out harmful microbes and support the integrity of your gut lining. You can easily integrate them into your routine through fermented foods such as low-sugar yogurt, kefir, sauerkraut, kombucha, and kimchi, as well as targeted probiotic supplements.
Guarding the Gates
A. Vogel Echinaforce Throat Spray, Xlear Xylitol Nasal Spray + Rescue Spray
Your respiratory tract is the primary entry point for airborne pathogens, which makes barrier protection like throat and nasal sprays a smart first line of defence. These sprays work at the point of contact, helping to intercept viruses and bacteria where colds and flus often start.
A. Vogel Echinaforce Throat Spray serves as a preventive shield. Lab studies suggest Echinaforce has direct antiviral activity against membrane-containing viruses, helping prevent them from entering cells at the tissue level.
To round out protection for your upper respiratory tract, pair your throat spray with a xylitol nasal spray. Unlike standard saline sprays that simply rinse the nose, xylitol acts as an anti-adhesive agent. It creates a slippery coating that makes it harder for viruses and bacteria to stick to your delicate nasal tissues, so they’re more easily flushed away.
Active Defence
Echinaforce tincture, Organic Traditions Camu Camu, CanPrev Healthy Lung, Wedderspoon Manuka Honey 340g, Naka Omega 3 Wild
When a pathogen breaks through your initial barriers and symptoms arrive, your immune strategy shifts from daily maintenance to active defence. The goal is to support your body as it clears the infection, calm excessive inflammation, and help clear out waste. Here are some research-backed tools to reach for at the first sign of illness.
- Vitamin C: During an active infection, your white blood cells use up vitamin C quickly. It acts as an antioxidant that helps protect your immune cells from the damage they create while fighting off viruses. Increasing your vitamin C intake at the onset of illness helps meet this demand, protecting your tissues from oxidative stress, and research suggests it may modestly shorten how long you’re sick.
- Zinc: Once a virus enters a host cell, it tries to hijack your cellular machinery to replicate itself. Research suggests zinc may act as a brake on this process. As mentioned above, pairing zinc with quercetin helps it move into your cells to do its job.
- A. Vogel Echinaforce: While excellent for daily prevention, Echinaforce taken at a higher acute dose at the onset of a cold has been shown in clinical studies to help reduce both the severity and duration of symptoms.
- Oil of oregano: Oil of oregano is a popular acute remedy thanks to its main active compound, carvacrol. In lab studies, carvacrol acts as an antimicrobial that disrupts the outer membranes of bacteria and some viruses.
- Elderberry: Packed with dark, cell-protecting anthocyanins, elderberry is thought to work by “disarming” viral invaders, with research suggesting it may help prevent viruses from attaching to and entering healthy respiratory cells.
- Andrographis: Systematic reviews suggest this traditional herb may help reduce fever, sore throat pain, and overall symptom severity during acute respiratory infections.
- NAC (N-acetylcysteine): If your infection moves into the chest or sinuses, NAC can be a valuable ally. It breaks down the bonds that make mucus thick and sticky, thinning congestion so it’s easier to clear from your airways, and its antioxidant properties help support lung tissue.
- Manuka honey: Far more than a simple sweetener, Manuka honey offers localized antibacterial action. It draws moisture out of bacteria, while its thick texture forms a soothing coating over raw, irritated throat tissue to help ease coughing.
- Omega-3 fatty acids: Healing doesn’t end when the virus is cleared; it ends when the lingering inflammation settles. Omega-3 fatty acids support this recovery phase, with research suggesting they help the body resolve inflammation and repair tissue so your energy can return.
Everyday Comfort
Nin Jiom, Suro Breathe
While addressing the root of an illness matters, managing everyday discomfort is just as important for getting through the day and getting restorative rest. Herbal syrups offer welcome relief by coating and soothing the upper respiratory tract.
- Nin Jiom Pei Pa Koa: Originating from Traditional Chinese Medicine, Nin Jiom Pei Pa Koa is a thick, honey-based loquat syrup. It forms a protective layer over raw throat tissue to soothe itchiness, calm coughing, and ease discomfort. Ingredients like loquat leaf, fritillary bulb, and ginger work together to help loosen thick phlegm so it’s easier to clear.
- SURO Breathe: For lower airway tightness, SURO Breathe is a Canadian, certified organic formula designed to help open and clear the lungs. With a blend of 17 herbs including eucalyptus, mullein, plantain, and thyme, it works as an expectorant, helping relax the bronchial passages, loosen chest and sinus congestion, and soothe the irritated tissue that makes breathing feel heavy.
The Long Game
Ultimately, cultivating natural immunity isn’t about finding a single magic pill. It’s about building a proactive, multi-layered routine. By laying a solid foundation of restorative sleep, stress management, and gut-friendly nutrition, you keep your body’s baseline defences resilient. When extra support is needed, barrier sprays for your airways, daily preventive botanicals, and acute natural remedies can give your immune system the reinforcements it needs. Listen to your body, tune into its changing needs through the seasons, and remember that consistent daily choices are your greatest assets for long-term health.
As with any supplement, check with your health care practitioner before starting something new, especially if you’re pregnant or nursing, managing a health condition, or taking medication. Our Wellness team is always happy to help you find what fits.
