Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 10 of 83 for black tea
  1. Black tea is made from the fermented leaves of the Camellia sinensis plant. These dried leaves and leaf ... also used to make green and oolong teas. Black tea contains 2% to 4% caffeine, which affects thinking ...
  2. ... or other caffeine sources, such as green tea, black tea, and guarana. ... effects. Examples of supplements that contain caffeine include black tea, coffee, green tea, and guarana.CalciumDrinking large amounts ...
  3. ... green coffee with other caffeine sources, including coffee, black tea, and green tea. These are not the same. ... effects. Examples of supplements that contain caffeine include black tea, coffee, green tea, guarana, and yerba mate.CalciumGreen ...
  4. ... liquids are water, clear flavored broth, herbal or black tea, black coffee, flavored water, lemonade or limeade without pulp, ...
  5. ... caffeine. Examples of supplements that contain caffeine include black tea, coffee, green tea, guarana, and yerba mate.Herbs ...
  6. ... effects. Examples of supplements that contain caffeine include black tea, coffee, green tea, and yerba mate.CalciumHigh caffeine ...
  7. Spilling the Beans: How Much Caffeine is Too Much? (Food and Drug Administration)  
    Caffeine/Start Here ... Caffeine ... Food and Drug Administration ... According to scientists at the FDA, caffeine can be part of a healthy diet for most people, but ...
  8. Black Hairy Tongue (Mayo Foundation for Medical Education and Research)  
    Tongue Disorders/Specifics ... Tongue Disorders ... Mayo Foundation for Medical Education and Research
  9. Your Guide to Anemia From the National Institutes of Health (National Heart, Lung, and Blood Institute) - PDF  
    Anemia/Start Here ... Anemia ... National Heart, Lung, and Blood Institute ... YOUR GUIDE TO ANEMIA, prevent, treat, control. ... PDF ... From the National Institutes of Health
  10. Iron-Deficiency Anemia From the National Institutes of Health (National Heart, Lung, and Blood Institute)  
    Anemia/Specifics ... Anemia ... Iron/Specifics ... Iron ... National Heart, Lung, and Blood Institute ... From the National Institutes of Health ... Anemia,iron-deficiency anemia,Vitamin ...
previous · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · next