Vit E: EVALUATION
The "vitamin" i would respectfully suggest the most is a general health and mental health evaluation with her doctor. (vitamin "e" = evaluation).
Bipolar disorder can show up in adolescents, but so can substance abuse and many other issues. Being in love is a regular part of adolescence so that doesn't seem unusual -- but possibly what she's doing with this, could be. Psychiatrist can help.
...Do you have a follow-up question? Consult Dr. Pappas, a
with 32 years in practice: