MEDLINE (Ovid SP)

1. Non‐Nutritive Sweeteners/ 2. ((non nutritive or nonnutritive) adj3 sweetener*).mp. 3. ((high intensity or intense or high potency) adj3 sweetener*).mp. 4. ((non calori* or noncalori* or low calori* or lowcalori*) adj3 sweetener*).mp. 5. ((non sugar or nonsugar or artificial or natural) adj3 sweetener*).mp. 6. sugar substitute*.mp. 7. Aspartame/ 8. (aspartam* or NutraSweet).mp. 9. Saccharin/ 10. saccharin*.mp. 11. (trichlorosucrose or sucralose or Splenda).mp. 12. Stevia/ 13. (stevi* or sweetleaf* or rebiana* or rebaudioside*).mp. 14. Cyclamates/ 15. (cyclamate* or cyclamic acid).mp. 16. (acesulfam* or acetosulfam*).mp. 17. advantame.mp. 18. "luo han guo" or siraita or mogroside*.mp. 19. neohesperi*.mp. 20. neotame.mp. 21. thaumatin.mp. 22. or/1‐21 23. exp Diabetes Mellitus/ 24. diabet*.mp. 25. (IDDM or NIDDM or MODY or T1DM or T2DM or T1D or T2D).mp. 26. or/23‐25 27. 22 and 26 28. ..dedup 27

Cochrane Central Register of Controlled Trials (Cochrane Register of Studies Online)

1. MESH DESCRIPTOR Non‐Nutritive Sweeteners 2. ((non nutritive or nonnutritive) ADJ3 sweetener*):TI,AB,KY 3. ((high intensity or intense or high potency) ADJ3 sweetener*):TI,AB,KY 4. ((non calori* or noncalori* or low calori* or lowcalori*) ADJ3 sweetener*):TI,AB,KY 5. ((non sugar or nonsugar or artificial or natural) ADJ3 sweetener*):TI,AB,KY 6. sugar substitute*:TI,AB,KY 7. MESH DESCRIPTOR Aspartame 8. (aspartam* or NutraSweet):TI,AB,KY 9. MESH DESCRIPTOR Saccharin 10. saccharin*:TI,AB,KY 11. (trichlorosucrose or sucralose or Splenda):TI,AB,KY 12. MESH DESCRIPTOR Stevia 13. (stevi* or sweetleaf* or rebiana* or rebaudioside*):TI,AB,KY 14. MESH DESCRIPTOR Cyclamates 15. (cyclamate* or cyclamic acid):TI,AB,KY 16. (acesulfam* or acetosulfam*):TI,AB,KY 17. advantame:TI,AB,KY 18. "luo han guo" or siraita or mogroside*:TI,AB,KY 19. neohesperi*:TI,AB,KY 20. neotame:TI,AB,KY 21. thaumatin:TI,AB,KY 22. #1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13 OR #14 OR #15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21 23. MESH DESCRIPTOR Diabetes Mellitus EXPLODE ALL TREES 24. diabet*:TI,AB,KY 25. (IDDM or NIDDM or MODY or T1DM or T2DM or T1D or T2D):TI,AB,KY 26. #22 OR #23 OR #24 27. #22 AND #26

ICTRP Search Portal (Standard search)

diabet* AND aspartam* OR diabet* AND saccharin* OR diabet* AND trichlorosucrose* OR diabet* AND sucralose* OR diabet* AND stevi* OR diabet* AND sweetleaf* OR diabet* AND rebiana* OR diabet* AND rebaudioside* OR diabet* AND cylcamate* OR diabet* AND cyclamic* OR diabet* AND acesulfam* OR diabet* AND acetosulfam* OR diabet* AND advantam* OR diabet* AND luo han guo OR diabet* AND siraita OR diabet* AND mogroside* OR diabet* AND neohesperi* OR diabet* AND neotame* OR diabet* AND thaumatin* OR diabet* AND sweetener* OR diabet* AND sugar substitute*

ClinicalTrials.gov (Expert search)

(sweeteners OR sweetener OR "sugar substitute" OR "sugar substitutes" OR aspartame OR NutraSweet OR saccharin OR trichlorosucrose OR sucralose OR Splenda OR stevia OR steviol OR stevioside OR sweetleaf OR rebiana OR rebaudioside OR cyclamate OR cyclamates OR "cyclamic acid" OR acesulfam OR acesulfame OR acetosulfam OR acetosulfame OR advantame OR "luo han guo" OR mogroside OR siraita OR neohesperidin OR neotame OR thaumatin) AND (diabetes OR diabetic OR IDDM OR NIDDM OR MODY OR T1DM OR T2DM OR T1D OR T2D)

Scopus (www.scopus.com)

TITLE‐ABS‐KEY ( "non nutritive sweetener*" OR "nonnutritive sweetener*" OR "high intensity sweetener*" OR "intense sweetener*" OR "high potency sweetener*" OR "non calori* sweetener*" OR "noncalori* sweetener*" OR "low calori* sweetener*" OR "lowcalori* sweetener*" OR "non sugar sweetener*" OR "nonsugar sweetener*" OR "artificial sweetener*" OR "natural sweetener*" OR "sugar substitute*" OR aspartam* OR nutrasweet OR saccharin* OR trichlorosucrose OR sucralose OR splenda OR stevi* OR sweetleaf* OR rebiana* OR rebaudioside* OR cyclamate* OR "cyclamic acid*" OR acesulfam* OR acetosulfam* OR advantame OR "luo han guo" OR mogroside OR siraita OR neohesperi*din OR neotame OR thaumatin ) AND TITLE‐ABS‐KEY ( diabetes OR diabetic OR iddm OR niddm OR mody OR t1dm OR t2dm OR t1d OR t2d )