Item	Authors’ judgement	Support for judgement
Adequate sequence generation?	Unclear	The method of randomisation was not stated. We were unable to contact the author about the method used.
Allocation concealment?	Unclear	Comment: unable to contact the author about the method used.
Blinding?	No	Comment: both received an intervention but of a different nature (powder vs pill). It’s likely that participants and intervention providers knew the intervention they were receiving.
Incomplete outcome data addressed?	Yes	All participants data reported.
Free of selective reporting?	Unclear	No protocol but all expected and nominated outcomes reported.
Free of other bias?	Yes	None reported.