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Gervâo Purchase & Information

Alternative Names

Brazilian Tea, Blue Flower, Bastard Vervain, Blue Porterweed, Blue Verbena and Blue Vervain, Gewongan, Gervâo, Jarbao, Rumput Tahi Babi, Rat Tail, Rooster Comb, Selaseh Dandi (spotted basil), Verveine, Verbena Cimarronam, Verveine a queue de rat and Vervain, Wild Verbena

Scientific Name

Stachytarpheta Urticifolia

Why Do People Use Gervâo?

Orally - Stachytarpheta urticifolia (Gervâo) and its oral preparations like gervao powder are generally used in folk medicine for the treatment of gastrointestinal dysfunctions, especially for the treatment of liver related diseases. It is also used as a febrifuge, diuretic and as a general tonic. The active ingredients in Gervâo powder include saponins, tannins, essential oil, flavonoids and alkaloids. All of its plant parts, including roots, are thought to be beneficial in various ways.

Is It Safe To Use?

In many herbal medicines, gervâo is considered to be the most effect component and such medicines are used as an abortive agent. Therefore, use of Stachytarpheta urticifolia is contraindicated in conditions such as pregnancy and lactation.

How Effective Is Gervâo?

Nothing can be said with surety if gervao powder is safe or not, since there is lack of authentic information available in this regard.

How Gervâo Works?

Stachytarpheta urticifolia consists of terpenes, flavonoids, steroids and phenols. Number of these plant chemicals have been recognized with biological activities, which may explain the plant's native uses for respiratory problems and liver ailments. Iridoid glycosides, such as verbascoside or acetoside, exist in various plants in the Verbenaceae genus. Many clinical trials suggest that phytochemical in gervao powder are powerful antioxidants with antiviral, neuroprotective, liver protective, antibacterial, antitumorous and cardioactive effects.

What Are The Side Effects /Adverse Reactions of Gervâo?

Stachytarpheta urticifolia has shown to have vasodilator characteristics in animal studies, therefore, it may be responsible for lowering blood pressure. Patient who are suffering from low blood pressure or those who are taking antihypertensive drugs should refer to their health care providers before using gervâo. How Gervâo Interacts with Supplements & Herbs? No interaction has been reported with Gervâo powder and herbs & supplements.

How Gervâo Interacts With Other Herbs and Supplements?

Not known.

How Gervâo Interacts With Drugs?

No extensive side effects have been reported so far due to the use of Stachytarpheta urticifolia. However, it may potentiate the useful and side effects of drugs used for controlling blood pressure and for heart conditions.

How Gervâo Interacts With Foods?

There is no interaction between Gervâo powder and various food items.

How Gervâo Interacts With Lab Tests?

No interaction exists between Stachytarpheta urticifolia and different lab tests.

How Gervâo Interacts With Diseases and Conditions?

There is no interaction between Gervâo powder and various types of diseases or conditions.

What Should Be the Dose/Administration of Gervâo?

One and a half cup of tea is taken 1-2 times a day. 1 to 3 ml of tincture, with ratio of 4:1, is taken orally two times every day. If required, it can also be taken as 1 to 2 g powder in capsules, tablet or stirred into water or any flavor juice every day may.



General Certificate of Analysis (COA)

Specification sheet links below are a standard copy of the COA less the batch or lot number and manufactures dates. Specification sheet can be dated and should only be considered as a general information. Please contact and request an up to date COA if needed for specific updated information before placing order by filling out the contact form with product name and SKU number. If ordering quantities of twenty five kilos or more contact for availability.

Specification Sheets

Gervâo Powder


These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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