Nutritional Food Products Logo
Food Products
Home Products Guarantee
Order Status FAQ Contact

Guayusa Purchase & Information

Alternative Names

Guayusa, Why-ees, Way-sa

Scientific Name

Ilex Guayusa

Why Do People Use Guayusa?

Guayusa (pronounced gwhy-you-suh) is only starting to make inroads into the United States, but its use is still not very common. Ilex Guayusa (Guayusa) preparations, like guayusa powder, have been used for drinking purpose in the Amazon for thousands of years and are still considered an important part of everyday traditions of many Ecuadorians today.

Is It Safe To Use?

Regarding the safety of guayusa powder, there is scarce information available.

How Effective Is Guayusa?

The effectiveness of Ilex Guayusa can’t be rated due to lack of reliable information.

How Guayusa Works?

Ilex Guayusa consists of theobromine, a stimulant present in chocolate, and L-theanine, a substance similar to glutamic acid found in green herbal teas. In addition, guayusa contains caffeine. Chemical studies in 2009 and 2010 have demonstrated that caffeine content in guayusa powder makes up about 2.90-3.28% of its dry weight. This plant contains majority of the vital amino acids and contains very higher titer of natural antioxidants. Some published studies suggest that use of Ilex Guayusa can have several health benefits. Results of one clinical trial showed that use of guayusa powder improves glycemic control and boosts insulin levels in patients with type 1 diabetes.

What Are The Side Effects /Adverse Reactions of Guayusa?

There is no known side effect reported due to guayusa powder.

How Guayusa Interacts With Other Herbs and Supplements?

Regarding interaction between guayusa and various supplements and herbs, there is no information available.

How Guayusa Interacts With Drugs?

There is limited information about the interaction between guayusa and various drugs items.

How Guayusa Interacts With Foods?

There is scarce information about the interaction between guayusa powder and different food items.

How Guayusa Interacts With Lab Tests?

There is insufficient data about the interaction between Ilex Guayusa and different lab test.

How Guayusa Interacts With Diseases and Conditions?

There is inadequate information about the interaction between guayusa and various conditions or diseases.

What Should Be the Dose/Administration of Guayusa?

There is no typical dosage of guayusa powder.


It is associated to yerba mate.

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

Guayusa 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.

Join us on Facebook Join us on Google+ Join us on Linkedin Join us on Twitter

Ordering toll free number


Merchant Services