Given a sentence in Igbo language, translate the sentence to English language keeping the meaning of the original sentence intact

Igbo sentence: O na-atu aro na nke mbu okirikiri i na-n'etiti 250 -500 mcg a ubochi maka ihe dum okirikiri, a okirikiri bu 3 izu.
It is recommended that for the first cycle you take between 250 -500 mcg a day for an entire cycle, a cycle is 3 weeks.