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Data Sources & Licenses

SupCheck uses the following public databases as its information sources. Attributions and licenses for each dataset are listed below.

NIH ODS Dietary Supplement Label Database (DSLD)

Product information in this app comes from the Dietary Supplement Label Database (DSLD) operated by the Office of Dietary Supplements at the U.S. National Institutes of Health (NIH). DSLD data are published by the U.S. government in the public domain (CC0 1.0).

Suggested citation

National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database, 2026. https://dsld.od.nih.gov/

DSLD records reflect label information at the time of publication and do not guarantee current formulations or analytically verified values.

USDA FoodData Central

Part of the food nutrition data comes from FoodData Central, operated by the U.S. Department of Agriculture (USDA). The data are published in the public domain as a U.S. Government work.

Suggested citation

Data source: U.S. Department of Agriculture (USDA), FoodData Central. https://fdc.nal.usda.gov/

Standard Tables of Food Composition in Japan 2020 (8th revision)

Source: Standard Tables of Food Composition in Japan 2020 (8th revision), Ministry of Education, Culture, Sports, Science and Technology (MEXT). This app uses processed versions of the data (unit conversion, rounding, proxy selection, etc.).

The listing organizations (NIH / ODS / USDA / MEXT, etc.) do not endorse or warrant this app.