Item	Authors’ judgement	Support for judgement
Adequate sequence generation?	Yes	The authors were interviewed by phone and stated that the randomisation was done by use of a random table.
Allocation concealment?	Unclear	No details provided on allocation concealment.
Blinding?	No	Assessors blinded; participants could not be blinded as one group was taking capsule and the other a decoction. Intervention provider not blinded.
Incomplete outcome data addressed?	Yes	All participants reported. No withdrawals.
Free of selective reporting?	Unclear	All expected and nominated outcomes reported.
Free of other bias?	Yes	None reported.