Acute Effects of an Herbal Tea on Immune Surveillance and Activation.

Inclusion Criteria: * Healthy adults; * Age 18-75 years (inclusive); * Veins easy to see in both arms (to allow for the multiple blood draws); * Willing to comply with a 24-hour wash-out period for vitamins and nutritional supplements; Exclusion Criteria: * Previous major gastrointestinal surgery (absorption of test product may be altered) (minor surgery not a problem, including previous removal of appendix and gall bladder); * Taking anti-inflammatory medications on a daily basis; * Currently experiencing intense stressful events/ life changes; * Currently in intensive athletic training (such as marathon runners); * Currently taking antipsychotic medications such as clozapine, Risperdal, Abilify, Zyprexa or Seroquel; * Actively depressed; * An unusual sleep routine (examples: working graveyard shift, irregular routine with frequent late nights, studying, partying); * Unwilling to maintain a constant intake of supplements over the duration of the study; * Anxiety about having blood drawn; * Women of childbearing potential: Pregnant, nursing, or trying to become pregnant; * Known food allergies related to ingredients in active test product.