both ingredients have MAOI properties, which are the old type of antidepressants.
When u take the ssri with its, it going to bolster the effects of the ssri, meaning even increased serotonin turnover rates.
It means your either going to feel high, or you could get serotonin syndrome.
Ive personally tried AB while on an SSRI, i dont really advise it, unless for occasional use.
Something i read
"MAOIs are liable to produce dangerous reactions with other drugs and some food; therefore they are not recommended as first-line antidepressant drugs. However, controlled trials have shown that in the following situations MAOIs carry an advantage over tricyclic antidepressants:
* atypical depression;
* anergic bipolar
* depression resistant to tricyclics and SSRIs."