extracts can be tested at controlled concentrations.
But laboratory results are not the same as proven effects in people. More well-designed human studies are needed before strong health claims can be made.
How People Commonly Prepare Guava Leaf Tea
A simple traditional preparation involves washing fresh guava leaves thoroughly and steeping them in hot water.
Some people use dried leaves instead.
If you choose to drink guava-leaf tea, avoid assuming that stronger or more concentrated preparations are necessarily better. Herbal products can vary considerably in strength and quality.
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