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Clinical Trial Summary

A small cross-over trial on 24 people involving an herbal tea blend to test whether consuming 1 cup of tea triggers changes in the numbers of natural killer cells in the blood circulation as evidence of immune cell trafficking within 2 hours.


Clinical Trial Description

A randomized, cross-over, controlled study design will be used to evaluate the effects of consumption of 1 cup of an herbal tea blend to consumption of the same volume of warm water. The study is of 3 weeks' duration, with evaluation of the herbal tea blend versus warm water at week 1 and week 2 with a one week washout between visits. On each visit, a baseline blood draw is performed, followed by consuming of the herbal tea blend or warm water. Blood draws are performed at 1 and 2 hours after consumption. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04491461
Study type Interventional
Source Natural Immune Systems Inc
Contact
Status Completed
Phase N/A
Start date July 27, 2020
Completion date December 19, 2021