Your immune system has a superhero squad. Vitamin D activates immune cells and can reduce respiratory infections by up to 12%. Vitamin E enhances TE- cell function and improves vaccine efficacy in older adults. Vitamin C increases white blood cell production and can shorten common cold duration. Zinc helps develop and activate Tlymphosytes, reducing cold duration by 33%. Omega-3 enhances B cell activity, crucial for fighting pathogens. Power up your immunity with this fantastic five.