For decades, many of us have thought we could “boost” our immune systems with vitamin C or herbs, which would fight contagious illnesses, such as colds and the flu. But in reality, there are no quick ...

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 ...

Amla juice and lemon water can both be rich sources of vitamin C. To find out which one can boost your immunity faster, you ...

"I've heard, 'I can boost my immune system if I take a lot of vitamins.' It could be vitamin D, vitamin A [or] zinc," Bland says. "[But] those nutrients don't boost the immune system. Those nutrients ...