Java Tea

Jan 2, 2025

Java Tea

  • What Is It?

    • Java Tea (Orthosiphon stamineus) is a medicinal herb predominantly found in Southeast Asia and Africa.

  • How Does It Work in the Body, Usage, and Evidence?

    • A study from Yuliana et al. has shown that Java Tea antagonizes the adenosine A1 receptors which induces diuresis and natriuresis which regulates urine flow rate and absolute excretion of sodium.

    • A study from Zhong et al. (2010) showed that Java Tea can increase urinary calcium and oxalate excretion thus reducing the synthesis of calcium-based kidney stones.

    • Yam et al. (2009) studied Orthosiphon stamineus and noted a marked histological improvement in the healing of mucosal damage in the GI tract. This is based off its ability to inhibit lipid peroxidation and stimulate gastric secretion.

  • Dosage:

    • A study from Yam et al. (2007) analyzed effects of Java Tea for liver protection by monitoring ALT and AST levels which showed good results. Study suggests Java Tea was found effective at doses higher than 250 mg/kg.

    • Further studies must be done to know the correct therapeutic dosage.

  • Adverse Effects:

    • Patients that are on a hypertensive therapy when taking Orthosiphon stamineus should be monitored for an orthostatic hypotensive attack.

  • Interactions:

    • Should not be taken with other diuretics because the combination and lead to possible hypertension and congestive heart failure. Adam et al. (2009) noted that a combination of Orthosiphon stamineus and antidiabetic drugs can cause hypoglycemia.

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