This Tea Can Cancel out the Effect of Your Pill
You should avoid drinking this tea in order not to get pregnant. Even if you are taking the pill, this drink could cancel out its effects.

BooTea did Inform its Customers About the - Very Weak - Effect of the Tea in the Website's FAQs
It stated that the effect of the pill could be impaired if taken within four hours of the tea - i.e. within the window of the laxative effect. The pill should therefore be taken in the evening before going to bed to allow it to work overnight - before drinking tea in the morning.
All women who have become pregnant with Detox tea have had to realize that this is a serious side effect. In general, you should therefore read carefully about the potential side effects of detox tea before consuming it.
You can read on the next page what other foods can have a negative effect on the pill.