I think it was only for a week or 2, at the end of about a 10 week cycle.
Pretty sure I did 3 weeks at 6mg, 2+ weeks at 9mg then switched brands, 3 weeks at 10mg & a week & half at 15mg to finish. Something like that.
I felt nothing at 6mg, better at 9/10mg & really took off at 15mg. Size more...