Nâng cao hệ miễn dịch với vitamin C liều cao. Tăng lượng vitamin D3 nạp vào. Thử dùng dầu dừa.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Orthomolecular medicine has found that vitamin C is important in stimulating the immune system. In one study, asymptomatic adults came down with the flu. They were given 1000 mg of vitamin C on an hourly basis for six consecutive doses. They then received 1000 mg three times daily as long as they were symptomatic. Their reported flu and cold symptoms were reduced by 85% compared to a placebo. Take 1000 mg of vitamin C every hour for six hours. Then take 1000 mg three times a day until you don't