Data analysis
All participants were analysed by study arm, where participants in the supplement arm are referred to as Group S, the dietary arm as Group D and the control arm as Group C. Only participants within Group S and Group D were included in the analysis by study completion status: participants who completed all study assessments as per protocol were defined as ‘complete’ while those who discontinued the intervention or were lost to follow-up were categorised as ‘drop-out’. Women who completed the study and maintained an intervention compliance of 80 % or more were defined as ‘adherent’ while those below 80 % were defined as ‘non-adherent’.The age of participants at enrolment and age at menarche (both in years) were described using mean and standard deviation. Student's All hypotheses were two-sided, and a 