Name of database	Search syntax	No. of hits
MEDLINE	The search update was conducted in the databases Ovid MEDLINE(R) Epub Ahead of Print, In‐Process & Other Non‐Indexed Citations, Ovid MEDLINE(R) Daily, Ovid MEDLINE and Versions(R) 1946 to January 24, 2018. We used the same search strategy as for the original search, but restricted the search to studies published since the original search by adding the the filter "limit to yr=2016‐2018".	1210
Embase	The search update was conducted on January 29, 2018 in the database Embase 1974 to 2018 January 26. We used the same search strategy as for the original search, but restricted the search to studies published since the original search by adding the the filter "limit to yr=2016‐2018". Note that a number of EMTREE search terms were changed on January 1, 2018 (including ‘weight gain’, which was changed to ‘body weight gain’; ‘weight change’, changed to ‘body weight change’; ‘weight control’, changed to ‘body weight control’; ‘weight reduction’, changed to ‘body weight loss’). We did not consider these changes in our search update, and may have missed relevant articles as a result.	1175
CENTRAL	The search update was conducted on January 29, 2018 in the database Cochrane Central Register of Controlled Trials December 2017. We used the same search strategy as for the original search, but restricted the search to studies published since the original search by adding the the filter "limit to yr=2016‐2018".	238
Social Science Citation Index (through Web of Science Core Collection)	The following search parameters were used: · Topic: sugar‐sweetened beverage* · Timespan = 2016 ‐ 2018	408
SCOPUS	The following search syntax was used: TITLE‐ABS‐KEY ( sugar‐sweetened AND beverage* ) AND PUBYEAR > 2015 AND ( SUBJAREA ( econ ) OR SUBJAREA ( medi ) OR SUBJAREA ( psyc ) OR SUBJAREA ( soci ) OR SUBJAREA ( dent ) OR SUBJAREA ( heal ) OR SUBJAREA ( mult ) ) AND ( LIMIT‐TO ( DOCTYPE , "ar" ) OR LIMIT‐TO ( DOCTYPE , "re" ) OR LIMIT‐TO ( DOCTYPE , "ip" ) )	582
LILACS (Literatura Latino‐Americana e do Caribe em Ciências da Saúde)	The following search syntax was used (through the Virtual Health Library Regional Portal search interface): (tw:(sugar‐sweetened‐beverages)) OR (tw:(sugar‐sweetened‐beverage)) OR (tw:(soft drink)) OR (year_cluster:(soft drinks)) AND (year_cluster:(2016‐2018))	13
SciELO Citation Index (Thomson Reuter regional database for Latin America, Spain, Portugal, the Caribbean and South Africa)	Not included in the search update
Google Scholar	Not included in the search update
Open Grey	Not included in the search update
Trials Register of Promoting Health Interventions (TRoPHI)	The following search parameters were used: · What type of study does this report describe: trial (non‐randomised) OR RCT · Focus of the report: cardiovascular OR diabetes OR healthy eating OR obesity OR oral health · Type(s) of intervention: environmental modification OR incentives OR legislation OR regulation OR resource access OR service access · YEAR: > 2015	4
EPPI‐Centre database of health promotion research (Bibliomap)	Not included in the search update
Snowballing Round V (cited‐studies search and reference list hand‐searching)	We used Scopus to search for studies citing and studies cited by previously published reviews on SSB interventions as well as primary studies on SSB interventions identified after August 14, 2016 (the date when snowballing round IV was conducted) (n=44).	3173
Sum (before de‐duplication)		6797
No. of duplicates removed in EndNote		3416
Sum (after de‐duplication)		3378