Leg swelling

I have varicose veins, but they are not severe, so I have not undergone surgery.

I spend a lot of time sitting in my chair after arriving at work, but after sitting for an hour or two, I...

I feel like my legs are very swollen.

So, I think the swelling slightly decreases when I sit with my legs raised.

Would taking the advertised vein circulation-related medication have any effect?