What are the side effects of taking vitamin B1?

Question

A friend told me to take it to feel good all the time because I am very moody. I think I used to take b2 or b10 a long time ago and i think it messed up my hormones. I am a girl and I used to have pcos.

Answer 1

B2 is good for moods.  B1 is good for keeping away mosquitos  :)

Answer 2

vitamn B1 will be in your body