Many people may be not so familiar with the way of using spray dried garlic powder to protect themselves from cold, but it is a good way. When mention preventing cold, the most thing people can think is white carrot, honey tea, lemon water, ginger soup and other things on general. These are good things for preventing people from cold, luckily, spray dried garlic powder is also one of them.
Allicin is the active substance in garlic, this is why garlic smells. It is a powerful antioxidant and antibiotic substance. The existing medical evidence show that allicin can prevent cold or make them shorter with less symptoms.
Eating more garlic in your day life is very good for preventing cold. You can add some garlic when cooking, make soup with spray dried garlic powder, use health products with garlic, etc.