Oolong Tea Side Effects and Risks
Oolong Tea Side Effects and Risks

Oolong tea is one kind of green tea, sometimes referred to as half-fermented tea, because when it is made fresh leaves are allowed to ferment halfway through enzyme present in the leaves.

Black tea is completely fermented and green tea is completely un-fermented.

Oolong tea contains a similar amount of caffeine as green tea contains, also a similar polyphenol material, but lacks Vitamin C, according to its Catehins and Health effect of tea.

Polyphenols are robust antioxidants that help neutralize cell-damaging free radicals.

In spite of this Oolong tea’s several health advantages, people might experience several side effects, some due to its caffeine amount.

Effect of Caffeine

The wide intake of caffeine mighty cause anxiety, insomnia, dizziness, palpitation, nausea, headache, diarrhea, vomiting, or poor appetite.

Drug Interactions

Caffeine in this tea will interact with a number of drugs, which might outcome in decreased or increased efficacy, or affect the normal body metabolism of caffeine and boost the chances of side effects.

Common drugs to be avoided include Beta-lactam antibiotic, adenosine, propranolol, benzodiazepines, aspirin, and metoprolol.

For people taking relevant products, please consult your Dr. before consuming Oolong tea.


Big amount of caffeine can affect fetal development and boost the chance of miscarriage.

Sensitivity to Caffeine

The sensitivity of caffeine normally triggers signs such as hives, itchy skin, or rashes on the skin.

Disease Deterioration

Patients with kidney problems, anxiety, stomach ulcers, and heart issues are not recommended to consume Oolong tea.

Caffeine content is a diuretic that affects directly the kidneys; it boosts stomach acid and worsens stomach ulcers.

A huge amount of caffeine can affect blood pressure, heart palpitations, and pose a very high risk to a heart problem.

Though this tea is the best drink, the high intake will still generate major side effects.

Please consult your health expert considering the risk of deteriorating some issues.

Birt and Tang Pure Oolong Tea (Pack of 2, Total 100 Bags)
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Organic Oolong Tea 200g
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