Should I avoid certain foods for better immunity?
Written by
Gina Mason
Reviewed by
Prof. William Dalton, Ph.D.Certain foods that undermine your immune system are best avoided for peak performance. They instigate inflammation, devastate your gut integrity, or suppress white blood cell activity. Identify and minimize them, and your immune system can operate at peak potential, defending you against attackers.
Ultra-processed junk foods made with emulsifiers (and other inflammatory additives), which provoke unnecessary immune responses that drain white blood resources for "real shocks." Added sugars can also suppress white blood cell activity for hours. Snacks of whole food only, please. Nuts, fruits, etc.
Sugary Beverages
- Suppress neutrophil activity for 4-6 hours after consumption
- Increase inflammatory cytokines like IL-6
- Promote gut dysbiosis by feeding harmful bacteria
Fried Foods
- Contain advanced glycation end products increasing oxidative stress
- Trans fats damage immune cell membrane integrity
- Promote systemic inflammation impairing pathogen response
High-Histamine Foods
- Trigger inflammatory responses in sensitive individuals
- Fermented foods and aged cheeses affect those with intolerance
- Can provoke immune overreactions resembling allergies
Food intolerances can lead to persistent, low-level inflammation, which can result in immune system diversion. Predominant triggers consist of gluten, dairy, and nightshades in those sensitive to them. An elimination diet reveals the offending food. When foods are eliminated, the immune system is less burdened and can better fight threats.
Drink less alcohol Too much alcohol can compromise our gut barrier, potentially allowing bacteria that are TJ adventurers, and activating unnecessary immune responses, to slip into the bloodstream. One drink a day for women, two for men. And take a couple of days off from alcohol each week to clear your system out a bit.
Substitute these problem foods for immune-supportive ones over time. Soda for sparkling water with citrus, fried snacks for roasted chickpeas, and dark chocolate for sugary desserts. These swaps help reduce immune suppression and provide essential nutrients.
Read the full article: 10 Immune Boosting Foods to Know
