More than 10 years ago articles claiming that taking lemon juice before long air plane rides was a good idea because it reduced the risk of deep vein thrombosis from prolonged sitting would be common on top search results

These articles no longer appear on top search results

Most simply mention vitamin C these days but lemons are not the only source of vitamin C

Do lemons & or limes uniquely provide a benefit that other sources of vitamin C do not?

Airplane article

https://www.sfgate.com/travel/article/Can-lemon-drinks-prevent-blood-clots-2883114.php