8 Things Every Tea Lover Should Know
By Radiocity Team
Published May 21, 2025
Pesticide Residues
While generally considered healthy, some teas, even organic ones, can contain trace amounts of pesticides.
Heavy Metal Contamination
Studies have found varying levels of these metals in different tea types. Brewing times and water quality can influence extraction.
Caffeine Content & Sensitivity
Excessive consumption can lead to sleep disturbances, jitters, anxiety, and even headaches for sensitive individuals.
Oxalates and Kidney Stones
Tea contains oxalates, which in very high concentrations can contribute to kidney stone formation in susceptible individuals.
Iron Absorption Inhibition
Tannins in tea can bind to non-heme iron (iron found in plant-based foods), reducing its absorption in the body.
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Quality of Tea Bags vs. Loose Leaf
Many conventional tea bags contain "tea dust" or fannings, which are lower quality tea particles.
Harmful Herbal Ingredients
While most herbal teas are safe, some "detox" or specialty blends might contain ingredients like comfrey or excessive licorice.
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