Ibuprofen has some well known (and negative) side effects, including ulcers, increased risk of stroke and heart attack, and even significantly increased malform

Ibuprofen has some well known (and negative) side effects, including ulcers, increased risk of stroke and heart attack, and even significantly increased malformed sperm production [https://www.sciencedirect.com/science/article/abs/pii/S0045653523029879#:~:text=We%20found%20that%20early%2Dlife,in%20unexposed%20males%20(11%25). https://www.sciencedirect.com/science/article/abs/pii/S00456...] Vitamin I is not, well, actually a vitamin.