Supplements to Ward Off Colds and Flus

Elderly woman holding head with a tissue in one hand and mug in the other.

Boosting Immunity: Supplements to Ward Off Colds and Flus and Their Natural Food Sources

As cold and flu season approaches, keeping your immune system strong is key to staying healthy. While practicing good hygiene and getting enough sleep are crucial, supplementation can also play an important role in bolstering your body’s defenses. In this blog post, we’ll explore the best supplements to help ward off colds and flus and where to find these immune-boosting nutrients naturally in foods and beverages.

Supplements to Ward Off Colds and Flus

1. Vitamin C

How It Helps: Vitamin C is perhaps the most well-known immune booster. It supports both the innate and adaptive immune systems, acting as an antioxidant that protects cells from harmful molecules. Vitamin C also enhances the production of white blood cells that fight infections, making it a crucial supplement to ward off colds and flus.

Where to Find It Naturally:

  • Citrus fruits (oranges, lemons, grapefruits)
  • Berries (strawberries, raspberries, blueberries)
  • Bell peppers
  • Kale and spinach
  • Broccoli and Brussels sprouts

2. Vitamin D

How It Helps: Vitamin D plays a vital role in modulating the immune response. Low levels of vitamin D are linked to a higher susceptibility to infections, including respiratory illnesses. Supplementing with vitamin D helps strengthen the immune system and ward off colds and flus.

Where to Find It Naturally:

  • Fatty fish (salmon, mackerel, sardines)
  • Egg yolks
  • Fortified foods (milk, cereals, orange juice)
  • Mushrooms (exposed to sunlight)

Note: Vitamin D can be difficult to get in high amounts from food alone, so supplements or adequate sun exposure are often recommended.

3. Zinc

How It Helps: Zinc is essential for immune cell function and signaling. Adequate zinc intake helps your body respond to infections more quickly and can reduce the duration of colds. Zinc also supports the production of white blood cells, key players in fighting pathogens, making it a powerful supplement to ward off colds and flus.

Where to Find It Naturally:

  • Shellfish (oysters, crab, lobster)
  • Meat (beef, pork, chicken)
  • Legumes (chickpeas, lentils, beans)
  • Seeds and nuts (pumpkin seeds, almonds, cashews)
  • Whole grains (quinoa, oats)

4. Probiotics

How They Help: Probiotics are beneficial bacteria that support gut health, and since a large portion of your immune system resides in your gut, keeping it healthy is crucial for immunity. Probiotics help regulate immune responses and prevent the growth of harmful bacteria, which can protect you from colds and flus.

Where to Find Them Naturally:

  • Yogurt (with live cultures)
  • Kefir
  • Sauerkraut and kimchi
  • Tempeh and miso
  • Pickled vegetables (naturally fermented)

5. Elderberry

How It Helps: Elderberry has become a popular remedy for cold and flu symptoms. Rich in antioxidants and vitamins, it boosts the immune system and may reduce the severity and duration of flu symptoms. Elderberry supplements and extracts are great for enhancing immune activity during the cold season.

Where to Find It Naturally:

  • Elderberry syrup (homemade or store-bought)
  • Elderberry tea
  • Elderberry jam or extract

6. Omega-3 Fatty Acids

How They Help: Omega-3 fatty acids, particularly EPA and DHA, help reduce inflammation in the body. Chronic inflammation weakens the immune system, making you more susceptible to infections. Omega-3s regulate immune responses and are an important supplement to ward off colds and flus.

Where to Find Them Naturally:

  • Fatty fish (salmon, mackerel, tuna)
  • Chia seeds and flaxseeds
  • Walnuts
  • Algal oil (a plant-based source)

7. Garlic

How It Helps: Garlic contains compounds like allicin, which have been shown to boost the disease-fighting response of white blood cells when faced with viruses such as the common cold or flu. Regular consumption of garlic supports peak immune function and helps ward off colds and flus naturally.

Where to Find It Naturally:

  • Raw or cooked garlic cloves
  • Garlic-infused oils
  • Garlic supplements (for those who prefer not to consume it raw)

8. Echinacea

How It Helps: Echinacea is an herb traditionally used to treat respiratory infections. It may stimulate immune cell production and enhance the body’s defense against cold and flu viruses. Echinacea supplements are popular for preventing and reducing the duration of colds and flus.

Where to Find It Naturally:

  • Echinacea tea
  • Echinacea supplements (in pill or liquid form)

9. Quercetin

How It Helps: Quercetin is a potent antioxidant that reduces inflammation and strengthens the immune response. It may help prevent viral replication in the body, reducing the risk of infections like colds and flus. Quercetin is often recommended as a supplement during cold and flu season.

Where to Find It Naturally:

  • Apples
  • Red onions
  • Green tea
  • Berries
  • Kale and broccoli

Conclusion

Incorporating a variety of immune-boosting supplements into your routine—whether through food sources or supplements—can help you ward off colds and flus this season. From vitamin C-packed citrus fruits to probiotics that support gut health, these nutrients will keep your immune system strong. For extra defense, consider supplements like elderberry, zinc, and omega-3s, and be sure to prioritize a nutrient-rich diet.

At Bioteem40, all our formulas contain a comprehensive blend of immune-boosting ingredients, including vitamin C, vitamin D, zinc, probiotics, and omega-3s. Additionally, our probiotics are fortified with antioxidants, such as quercetin, to further enhance your immunity and help protect against colds and flus.

Stay healthy this season by filling your plate with nutrient-rich foods and supplementing with Bioteem40 to give your immune system the support it needs to keep you flu-free!

Share this story: