Sat, January 24, 2026 at 2:56 PM UTC The immune system is the body’s natural defense network that helps to keep you healthy from things like bacteria, viruses, and parasites. It’s a complex network of ...

Fire cider is a vinegar-based tonic made with fresh produce, alliums, and spices that’s believed to boost immunity, ease ...

Green tea contains beneficial compounds that may support immune health by reducing inflammation, fighting oxidative stress, ...

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.

Though there are several immunity-boosting foods, a diet rich in citrus fruits has proved it can support your immune system and fight infection. Known for their vitamin C content, citrus fruits like ...

Trillions of microbes live in the human gastrointestinal tract, where they play critical roles in our health and biology; they can help us break down food, absorb nutrients; and they affect the immune ...

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

We're officially in respiratory virus season, and it's expected to last through mid-May. There are ways to protect against viruses like Covid-19, influenza and RSV naturally. Mandy Gaither explains ...

There’s a lot of truth to the adage “food is medicine.” While medications are certainly important and necessary, there is a direct relationship between diet and immune health. Nutrients both directly ...

The NIH Office of Dietary Supplements published a fact sheet in March 2025 reviewing the evidence behind vitamins C, D, and A ...