Table 2.

Available data of human gut microbiota, health profile, and diet (all mentioned URLs were accessed on 28 November 2021).

Category	Database or Project Name	URL	Reference
Probiotics	Probiotic Strain Database	https://microbiomepost.com/probiotic-strain-database	-
	Probiotics Database	https://www.optibacprobiotics.com/professionals/probiotics-database	-
	PBDB	http://gsbios.com/index/experimental/pbdben?id=7	-
Gut microbiota	NIH Human Microbiome Project	https://hmpdacc.org/hmp/	[100]
	gutMDisorder	http://bio-annotation.cn/gutMDisorder/	[101]
	Amadis	http://gift2disease.net/GIFTED/	[102]
	HumGut	http://arken.nmbu.no/~larssn/humgut/	[103]
	MANTA	https://mizuguchilab.org/manta/	[104]
	GutFeeling KnowledgeBase	https://hive.biochemistry.gwu.edu/gfkb	[105]
Human health profile	CDC WONDER	https://wonder.cdc.gov/	[106]
	1000IBD Project	https://1000ibd.org/	[107]
	HealthMap	https://www.healthmap.org/en/	[108]
Diet	Global Dietary Database	https://www.globaldietarydatabase.org/	-
	FAOSTAT	http://www.fao.org/faostat/en/	-
	Diet Compositions	https://ourworldindata.org/diet-compositions	-
	CABI—Nutrition and Food Sciences	https://www.cabi.org/publishing-products/nutrition-and-food-sciences-database/	-