US National Library of Medicine National Institutes of Health

Health benefits of fruit and vegetables are from additive and synergistic combinations of phytochemicals:

Antioxidant effect of tea:

Ingestion of a tea rich in catechins leads to a reduction in body fat and malondialdehyde-modified LDL in men:

Exploring the potential of black tea based flavonoids against hyperlipidemia related disorders:

Antioxidant supplements and mortality:

Multiple risk factors for cardiovascular disease and diabetes mellitus:

The effect of black tea on risk factors of cardiovascular disease in a normal population:

Black tea--helpful or harmful? A review of the evidence:

Black tea consumption reduces total and LDL cholesterol in mildly hypercholesterolemic adults:

Antihypercholesterolemic effect of Chinese black tea extract in human subjects with borderline hypercholesterolemia:

Effect of cocoa and tea intake on blood pressure: a meta-analysis:

Green and black tea consumption and risk of stroke: a meta-analysis:

Black tea improves attention and self-reported alertness:

Psychological effects of dietary components of tea: caffeine and L-theanine:

Consuming large amounts of sugar has proven to increase blood sugar values and enhance the risk of type 2 diabetes.

Sugar-sweetened beverages and risk of metabolic syndrome and type 2 diabetes: a meta-analysis:

The antimicrobial properties in black tea kills off harmful substances. This leads to improving gut bacteria and immunity, in turn repairing the lining of the digestive tract.

Influence of diet on the gut microbiome and implications for human health:

JAMA Internal medicine

Effects of Black Tea on Blood Pressure: A Randomized Controlled Trial:

Individuals with high blood pressure may benefit by incorporating a healthy lifestyle and drinking black tea daily.


The beneficial effects of tea on immune function and inflammation: a review of evidence from in vitro, animal, and human research:

The New England Journal of Medicine

High levels of blood sugar can increase risk of health complications.

Effects of Intensive Glucose Lowering in Type 2 Diabetes:

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