Are there any supplements that i can take 2 prevent varicose veins?

i know all the preventive measures u can take i.e. the compression stockings, lifting legs, etc….but since i am a med student the resting/lifting legs isnt possible most of the time…so i was wondering if one can take some kind of supplement, and which? do supplements containing blueberry help? i would greatly appreciate any help!…thanx…

How much muscle mass will you lose if you don’t eat for 19 hours, and what should I do to gain it back?

I've been training and eating consistently for 3 months, weights every second day and eating 4-5 large meals a day. I had to go 19 hours without eating and now it looks like I've lost a fair bit of muscle mass. Will it take long to gain the muscle mass back, and what would be…