YGY’s Guide to Nutritional Immune Support

Posted: December 1, 2025 | By: Shanon Peckham

Rhinovirus, flu, COVID, oh my! There are so many opportunities to catch a bug this time of year, especially if you have kids, a compromised immune system, or work in one of the industries that puts you in close contact with the public every day. Luckily, there’s also an abundance of amazing, beneficial nutrients you can tap into to help bolster your immune system through the winter and all year round.

We’ve put together a list of the best research-backed, immune-supporting nutrients to help you protect yourself during cold and flu season, and beyond. If you’re tired of battling frequent colds over the winter, these are the supplements to add to your shopping list!

Vitamins

Your body needs vitamins for normal growth, development, and function, but it can also utilize key vitamins to support a strong immune system and immune response. Vitamin C has been studied to help lessen the severity of cold symptoms, as well as the duration of colds.^1,2 It also helps with iron absorption and collagen synthesis, ensuring a healthy immune system by keeping protective barriers like skin strong.³ You can also boost your immune system and mood with Vitamin D, ideal for the long, dark days when your body isn’t able to generate quite as much natural vitamin D from sun exposure.⁴ When in doubt, choose a multivitamin like BTT or YGY’s Healthy Body Start Pak, which gives you the 90 essential nutrients you need to support optimal health and longevity.

Minerals

Thanks to Dr. Wallach’s research, we now know that minerals like selenium (which our bodies don’t produce naturally) are essential for our health. Sourced from the soil beneath our feet,⁵ minerals can help us balance our internal fluids, keep our bones strong, and support optimal immune function. Selenium itself is necessary for fighting off infections, deficiency, and may even reduce your risk of certain forms of cancer – especially when paired with antioxidants (which are included in our Ultimate Selenium™ nutritional blend).⁶ Another essential mineral, Zinc, can help you recover from a cold more quickly,⁷ while Iron wards off anemia symptoms and helps regulate your immune response.^8,9 To get an optimal dose of essential trace minerals all in one convenient supplement, we recommend our Plant Derived Minerals™.

MICROBIOME Support

One of the best ways to bolster your immune system is to support a healthy gut. Your intestinal microbiome contributes to so many important health processes: regulating your immune system, protecting you from invading pathogens, supporting your metabolism, helping prevent chronic diseases, and even influencing your mental health.^10,11,12 In addition to eating a healthy, nutritious diet, you can prioritize fiber, digestive enzymes, prebiotics, probiotics, and postbiotics to help your digestive system run efficiently. Bonus: When you nurture your immune system with the right nutrients, you also promote healthier, happier skin.^13,14Perfect for a winter glow up!

Antioxidants & More

As an added bonus, there are a few more Youngevity-favorite nutrients that can help you maintain a strong immune system all year ‘round! Antioxidants – micronutrients found in everything from our vitamins to botanicals and the fruits/veggies we eat every day – can boost our immune response, thanks to their unique ability to fight cellular damage caused by things like UV light exposure, secondhand smoke, and environmental pollutants.^15,16 Omega fatty acids are important for supporting healthy immune cells and may even help regulate the immune system,^17,18 while amino acids provide the necessary fuel and building blocks for wound healing and cellular repair, two key functions of the immune system.¹⁹ Methionine in particular (an essential amino acid) can help with nutrient absorption, especially for immune-supporting nutrients like zinc and selenium.

We hope this guide helps you build a more resilient immune system and avoid the worst of the season’s colds so you can cherish more time with the people and activities you love this winter. Take care of yourselves and don’t forget to share the love with your neighbors! Be sure to give our TrueDetox Tea™ on cold mornings, too.

Want to learn about even more ways you can support a healthy immune system and detox your life? Check out our YGY Detox Guide!