Hello everyone!
I’m Andy, a tea enthusiast.
Recently, I discovered that Lipton publishes professional journals.
One issue explores the relationship between tea, caffeine, and hydration.
This article is written by Ester de Jonge, a research scientist at Unilever R&D in Vlaardingen, Netherlands.
Commonly, people think hydration should come from water rather than tea.
However, many tea lovers use tea as their primary hydration source.
This study refutes the idea that caffeine causes dehydration and demonstrates that tea and water are equally effective in hydrating the body.
Here are the findings of the study:
➤ Caffeine and Dehydration
Caffeine is a compound naturally found in coffee, tea, chocolate, and kola nuts.
It is rapidly absorbed in the gastrointestinal tract, reaching peak blood plasma levels 60–90 minutes after ingestion.
Although caffeine can lead to fluid loss through increased urination, this effect has been largely exaggerated.
Studies show that mild diuretic effects only occur with high caffeine intake (370–610 mg), a threshold that tea generally does not meet.
➤ Caffeine and Hydration Studies
Research indicates that acute consumption of high doses of caffeine (over 250 mg) may have diuretic effects,
but this is mainly observed in individuals who haven’t consumed caffeine for several days.
For regular caffeine consumers, the amount of caffeine in a single cup of tea has negligible effects on hydration.
Overall, only when daily caffeine intake exceeds 300 mg (about 7–8 cups of tea) might hydration be slightly impacted.
Caffeine Content Comparison
Proper hydration is vital for maintaining health.
Looking at convenience store shelves, it’s evident that tea, particularly unsweetened and low-calorie options,
has become a staple in modern daily diets.
Here’s my personal tip: be mindful of the tea's strength.
If brewing your own tea, avoid making it too strong—especially if it tastes overly bitter.
While strong tea can offer delightful aftertastes, limit your daily intake to a few small cups.
I hope this information helps!
If you’d like the original publication, feel free to reach out.
See you next time!
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