13 Little-Known Nutrients Essential for a Stronger Immune System

2. Fermented Foods: Probiotic Powerhouses

The gut plays a pivotal role in immune function, with nearly 70% of the immune system residing within it. Fermented foods like sauerkraut, kimchi, yogurt, and kefir are rich in probiotics, which are beneficial bacteria that support gut health. These probiotics enhance the gut's microbiome, leading to improved digestion and a stronger immune response. Regular consumption of fermented foods can help maintain a balanced gut flora, reducing the risk of infections and inflammatory diseases. As a result, these probiotic powerhouses are an essential component of any immune-boosting diet.