Table 2.

The top 10 most productive institutions regarding the research on vitamins and cancer from 2003 to 2022.

Rank	Institution	Country	Counts	Citations	H-index	TLS
1	Harvard University	USA	113	12,287	65	168
2	National Cancer Institute	USA	111	7893	47	126
3	Brigham & Womens Hospital	USA	86	7291	55	167
4	Fred Hutchinson Cancer Research Centre	USA	81	4090	41	122
5	Washington University	USA	65	5652	37	100
6	Boston University	USA	55	7261	31	35
7	Stanford University	USA	46	4088	33	22
8	Roswell Park Cancer Institute	USA	32	3085	30	34
9	German Cancer Research Centre	Germany	30	1702	32	52
10	Toronto University	Toronto	28	1269	26	35