Take 고려은단 Vitamin C.

Powdered medication products contain sweetening additives, but I like this product because it is in pill form and does not contain such additives.

It's been about three years since I bought a large 600-tablet pack and started eating it daily with my family, and it's also inexpensive.

Thanks to that, our family managed to get through the COVID period without anyone getting infected.

Looking at this, it really is a product that needs to be taken diligently every single day without missing a day.^^