Do Cold Busters Like Emergen-C and Airborne Actually Work?

Yes, they do. However, understand that these natural cold and flu remedies are not really “curing” anything. If you see a product claiming anything along those lines, that is a red flag. But what many of these products do – and homeopathic remedies do not fall into this category as they’re completely worthless – is simply boost your immune system with vitamins and sometimes additional minerals or phytonutrients. In fact, many of them are not unlike a potent multivitamin. The studies on “curing” colds with natural remedies are inconclusive, but studies have shown time and again that vitamins like C, the B-complex, and many other supplemental nutrients absolutely have immuno-strengthening properties. That’s why I recommend always taking steps to boost your immune system on a daily basis, whether you’re sick or not. Don’t wait until you feel the first itch of a sniffly nose to begin boosting your immune system. Prevent what you can before you even get it.

In general, the core factors for a strong, healthy immune system are:

– Regular, if not daily, exercise

Multivitamin supplementation

Fish oil supplementation

– A clean diet based around fresh produce and whole foods

– Avoidance of sugar

– Stress management

– Daily sunshine

Further reading:

What I eat in a day

The 7 Habits of Healthy (Thin) People

My weekly fitness routine

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About the Author

Mark Sisson is the founder of Mark’s Daily Apple, godfather to the Primal food and lifestyle movement, and the New York Times bestselling author of The Keto Reset Diet. His latest book is Keto for Life, where he discusses how he combines the keto diet with a Primal lifestyle for optimal health and longevity. Mark is the author of numerous other books as well, including The Primal Blueprint, which was credited with turbocharging the growth of the primal/paleo movement back in 2009. After spending three decades researching and educating folks on why food is the key component to achieving and maintaining optimal wellness, Mark launched Primal Kitchen, a real-food company that creates Primal/paleo, keto, and Whole30-friendly kitchen staples.

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