Last updated: October 2026. General background reading related to the topics covered on this site. We are not affiliated with or endorsed by any institution below.
Dietary Supplements
NIH Office of Dietary Supplements — what you need to know about supplements.
Dietary Supplements
NIH ODS: Dietary Supplements — general background and safety information.
Dietary Supplements
NIH Office of Dietary Supplements — general information on dietary supplements.
Green Tea
NCCIH: Green Tea — general background on green tea.
Chromium
NIH ODS: Chromium — general background on chromium.
A Note on These References
These are general background reading only. They are not endorsements of any product and are not claims about the featured supplement. See our disclaimer.