Supplementary Table 1.

Search Strategy and Results

No.	Search Strategy	Results
1	Fatty Liver/	35,304
2	exp nonalcoholic fatty liver/	13,602
3	(“fatty liver” or steatohepatitis or ((NAFLD or NASH) and (liver∗ or hepat∗)) or steatohepatitides or (liver adj2 steatos∗) or “visceral steatos∗”).mp. [mp=ti, ab, sh, hw, tn, ot, dm, mf, dv, kw, nm, kf, px, rx, ui]	57,349
4	1 or 2 or 3	57,349
5	exp Intestines/	51,8207
6	exp Intestinal Absorption/	56,039
7	exp Permeability/	247,453
8	(5 or 6) and 7	10,664
9	((intestin∗ or bowel∗ or gut or gastrointestin∗) and (permeab∗ or leakiness)).mp.	25,612
10	8 or 9	27,656
11	4 and 10	288
12	11 not (exp animals/ not exp humans/)	193
13	limit 12 to (book or book series or editorial or erratum or letter or note or addresses or autobiography or bibliography or biography or comment or dictionary or directory or interactive tutorial or interview or lectures or legal cases or legislation or news or newspaper article or overall or patient education handout or periodical index or portraits or published erratum or video-audio media or webcasts) [Limit not valid in Embase, Ovid MEDLINE(R),Ovid MEDLINE(R) In-Process; records were retained]	10
14	12 not 13	183
15	remove duplicates from 14	143

Note: Database(s): EMBASE 1988 to 2014 week 15; Ovid MEDLINE In-Process and Other Non-Indexed Citations; and Ovid MEDLINE 1946 to Present.