20 Best Guayusa Caffeine [2024]

Are you looking for the best guayusa caffeine? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling guayusa caffeine.

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1 Organic Guayusa Loose Leaf Energy Tea by Waykana, 1 Pound (16oz) | Alternative to Yerba Mate, Coffee... Organic Guayusa Loose Leaf Energy Tea by Waykana, 1 Pound (16oz) | Alternative to Yerba Mate,...
2 PACHA GUAYUSA TEA| High Natural Caffeine | Clean Energy | Healthy Energy | Coffee, Yerba Mate and... PACHA GUAYUSA TEA| High Natural Caffeine | Clean Energy | Healthy Energy | Coffee, Yerba Mate and...
3 GUAYUSA LOOSE LEAF TEA by PACHA - 2 Pounds (32oz) | Organic Leaf | High Natural Caffeine | Clean &... GUAYUSA LOOSE LEAF TEA by PACHA - 2 Pounds (32oz) | Organic Leaf | High Natural Caffeine | Clean...
4 Ethan's Organic Energy Drink Mix, Pomegranate Blueberry Flavor, Clean Caffeine From Green Tea and... Ethan's Organic Energy Drink Mix, Pomegranate Blueberry Flavor, Clean Caffeine From Green Tea and...
5 Guayusa Leaf Extract Anti-Inflammatory - Brain Clarify & Focus Natural Caffeine Drink Energy... Guayusa Leaf Extract Anti-Inflammatory - Brain Clarify & Focus Natural Caffeine Drink Energy...
6 Guayusa Leaf Extract - Clean Energy Boost Drink - Brain Clarify & Focus - Natural Caffeine - Coffee... Guayusa Leaf Extract - Clean Energy Boost Drink - Brain Clarify & Focus - Natural Caffeine -...
7 Guayusa Leaf Tea Clean Energy - Natural Caffeine - Performance, Mental Clarity & Focus - Coffee &... Guayusa Leaf Tea Clean Energy - Natural Caffeine - Performance, Mental Clarity & Focus - Coffee &...
8 Ethan’s Organic Energy Shot, Pomegranate Blueberry Flavor, Vegan, Gluten Free, Green Tea Extract,... Ethan’s Organic Energy Shot, Pomegranate Blueberry Flavor, Vegan, Gluten Free, Green Tea...
9 Organic Guayusa Loose Leaf Tea by RUNA, 1 Pound (16oz) | Packed with Natural Caffeine for Clean... Organic Guayusa Loose Leaf Tea by RUNA, 1 Pound (16oz) | Packed with Natural Caffeine for Clean...
10 Fresh & Organic Guayusa Loose Leaf, Energy Morning Tea by Waykana, 2.2 Pounds (35.27 oz) | Smooth... Fresh & Organic Guayusa Loose Leaf, Energy Morning Tea by Waykana, 2.2 Pounds (35.27 oz) | Smooth...
11 Organic Guayusa Loose Leaf Energy Tea by Waykana, 1/2 Pound (8 oz) | Alternative to Yerba Mate,... Organic Guayusa Loose Leaf Energy Tea by Waykana, 1/2 Pound (8 oz) | Alternative to Yerba Mate,...
12 Guayusa Loose Leaf Extract Capsules, Naturally Grown and 100% Organic, Natural Caffeine to Boost... Guayusa Loose Leaf Extract Capsules, Naturally Grown and 100% Organic, Natural Caffeine to Boost...
13 Wajuko Chai – Premium Guayusa Tea | Natural Energy - Natural Caffeine - Revitalizing Sensation &... Wajuko Chai – Premium Guayusa Tea | Natural Energy - Natural Caffeine - Revitalizing Sensation...
14 Davidson's Tea Guayusa Energy, Bulk Tea, 16 Ounce Davidson's Tea Guayusa Energy, Bulk Tea, 16 Ounce
15 WAYKANA Guayusa Organic Leaf Energy Tea Powder | Antioxidant Natural Energy Powder & Nutritional... WAYKANA Guayusa Organic Leaf Energy Tea Powder | Antioxidant Natural Energy Powder & Nutritional...
16 Very Berry Guayusa with Elderberry, Blackberry, Strawberry, Raspberry & Hibiscus Tea - Gourmet Loose... Very Berry Guayusa with Elderberry, Blackberry, Strawberry, Raspberry & Hibiscus Tea - Gourmet...
17 Total Tea Detox Guayusa Energy Tea - All Natural Herbal Caffeinated Tea Cleanse - Increase Energy &... Total Tea Detox Guayusa Energy Tea - All Natural Herbal Caffeinated Tea Cleanse - Increase Energy...
18 Wajuko Hibiscus Flower & Ginger – Premium Guayusa Tea | Natural Energy - Natural Caffeine -... Wajuko Hibiscus Flower & Ginger – Premium Guayusa Tea | Natural Energy - Natural Caffeine -...
19 Davidson's Tea Guayusa Energy, Unwrapped Tea Bags, 100 Count Davidson's Tea Guayusa Energy, Unwrapped Tea Bags, 100 Count
20 GUAYUSA POWDER by PACHA - 1 Pound (16oz) | Organic Leaf | High Natural Caffeine | Clean & Balanced... GUAYUSA POWDER by PACHA - 1 Pound (16oz) | Organic Leaf | High Natural Caffeine | Clean &...
Bestseller No. 1
Organic Guayusa Loose Leaf Energy Tea by Waykana, 1 Pound (16oz) | Alternative to Yerba Mate, Coffee...
  • ✓ WHAT IS GUAYUSA LEAF? | Guayusa is an endemic plant that grows in Ecuador's Amazon Rainforest used by the indigenous Kiwcha people as a tea for...
  • ✓ ALTERNATIVE TO YERBA MATE - COFFEE | Being guayusa a herb that contains 40mg of caffeine per 2g serving, it is a fantastic and balanced...
  • ✓ VARIETY OF WAYS TO ENJOY | Recommended serving: use 1 Tsp (2 g) in a 8 oz cup with hot water. You can use tea filters, teapot, strainers, classic...
  • ✓ NO JITTERS NO CRASH | Guayusa is rich in amino acids, polyphenols, and antioxidants that improve your cognitive function and immune system. It...
  • ✓ MANUFACTURER VALUE | All of our products are USDA Organic Certified. We use no artificial colors, flavors, sweeteners, or fillers. By purchasing...
Bestseller No. 2
PACHA GUAYUSA TEA| High Natural Caffeine | Clean Energy | Healthy Energy | Coffee, Yerba Mate and...
  • ✓ 100% NATURAL GUAYUSA | Our traditional Tea Bags are filled with guayusa loose leaf Extra Fine (fine cut tea size). It does not contain dust. it...
  • ✓ NO JITTERS NO CRASH | 100% NATURAL GUAYUSA - NO Tannins - Astringent FREE. Each leaf contains caffeine, Double antioxidants of green tea and amino...
  • ✓ ALTERNATIVE TO YERBA MATE - COFFEE | Guayusa provides you with a rejuvenating burst of energy, different from coffee or other caffeinated teas.
  • ✓ SUSTAINABLE PACKAGING | We use tea bags without tags and overwrap, keeping tons of material out of landfills every year.
  • ✓ SOCIAL IMPACT | Pacha works with local Amazonian indigenous families to promote social change through sustainable development projects.
Bestseller No. 3
GUAYUSA LOOSE LEAF TEA by PACHA - 2 Pounds (32oz) | Organic Leaf | High Natural Caffeine | Clean &...
  • ✓ 100% NATURAL GUAYUSA | Our gourmet guayusa loose leaf is unique in that it is sifted so that it does not contain dust. This, along with the cut we...
  • ✓ ALTERNATIVE TO YERBA MATE - COFFEE | Guayusa provides you with a rejuvenating burst of energy, different from coffee or other caffeinated teas.
  • ✓ PRODUCTION - We produce in a traditional way allowing our customers to enjoy an ancient product with its original taste, smell and color
  • ✓ NO JITTERS NO CRASH | NO Tannins - Astringent FREE. Each leaf contains caffeine, Double antioxidants of green tea, and amino acids, which...
  • ✓ SOCIAL IMPACT | Pacha works with local Amazonian indigenous families to promote social change through sustainable development projects.
Bestseller No. 4
Ethan's Organic Energy Drink Mix, Pomegranate Blueberry Flavor, Clean Caffeine From Green Tea and...
  • POMEGRANATE BLUEBERRY ENERGY DRINK MIX comes with six packets of delicious real fruit flavor and convenience. Take these with you for a clean energy...
  • CLEAN ENERGY from green tea and guayusa. As a bonus these are full of hydrating electrolytes and antioxidants, vitamin B6 and B12, vitamin C, and...
  • MADE WITH REAL FRUIT so you can see the difference. Pour these into your cup and watch how full and rich the colors are. There’s a reason why other...
  • NO SUGAR ADDED, no artificial flavors or preservatives. Research-based by our on staff registered dietician.
  • CARRY, MIX, AND ENJOY. These packets fit in your pocket, your bag, or your cup holder. That way they’re on hand whenever you need one. Just mix one...
SaleBestseller No. 5
Guayusa Leaf Extract Anti-Inflammatory - Brain Clarify & Focus Natural Caffeine Drink Energy...
  • 💚 A perfect alternative for coffee, tea energy drink, yerba mate, and matcha. Drink Guayusa as a digestion tea and digestion aid contains digestive...
  • 💚 Guayusa has adrenal support, teeth whitening organic herbs balancing caffeine, polyphenols, and L-Theanine. Guayusa also contains the amino acid...
  • 💚 Guayusa gives an oxygen boost to athletes who normally take a mood support supplement similar to how Graviola leaf soursop juice works. Herbal...
  • 💚 Guayusa functions as a mood support supplement, natural teeth whitener, and oral hygiene regulator. Guayusa also contains the alkaloids...
  • 💚 Guayusa packs an impressive punch of caffeine, a known stimulant. In fact, it offers similar amounts of caffeine as regular coffee. In addition,...
Bestseller No. 6
Guayusa Leaf Extract - Clean Energy Boost Drink - Brain Clarify & Focus - Natural Caffeine - Coffee...
  • SUSTAINED ENERGY AND FOCUS - NO CRASH - Thanks to the guayusa leaf’s unique balance of caffeine, polyphenols, and L-Theanine,Guayusa Leaf Extract...
  • CLEAN ENERGY FROM A LEAF, NOT A LAB - Our products are made with clean, organic ingredients - not packed with synthetic ingredients and sugar like...
  • ORGANIC. NO JUNK. GOOD THINGS - We’re dedicated to bringing you clean energy in every way possible, from using real ingredients, to how we source...
  • SUGGESTED USE: As a dietary supplement, take 1 tablespoon 2 to 3 times a day with food. May be added to water, juice, smoothie, tea or salads. Get...
  • 100% MONEY BACK SATISFACTION GUARANTEE- Order in confidence – We offer a hassle-free, 100% refund if you aren't completely happy for any reason with...
SaleBestseller No. 7
Guayusa Leaf Tea Clean Energy - Natural Caffeine - Performance, Mental Clarity & Focus - Coffee &...
  • Guayusa provides natural, clean, and sustained energy/focus, with no crash, thanks to the guayusa leaf’s unique balance of caffeine, polyphenols,...
  • Guayusa provides natural, clean, and sustained energy/focus, with no crash, thanks to the guayusa leaf’s unique balance of caffeine, polyphenols,...
  • Guayusa provides natural, clean, and sustained energy/focus, with no crash, thanks to the guayusa leaf’s unique balance of caffeine, polyphenols,...
  • Guayusa provides natural, clean, and sustained energy/focus, with no crash, thanks to the guayusa leaf’s unique balance of caffeine, polyphenols,...
  • Guayusa extract boost strength, mental alertness, and vitality without the jitters. A perfect alternative for coffee, energy drinks, yerba mate, and...
Bestseller No. 8
Ethan’s Organic Energy Shot, Pomegranate Blueberry Flavor, Vegan, Gluten Free, Green Tea Extract,...
  • POMEGRANATE BLUEBERRY ORGANIC ENERGY DRINKS, Delicious liquid nutrition energy shot for brain focus, clean caffeine from organic green tea, guayusa...
  • NUTRITIONAL DRINK ENERGY SHOT for daily energy, focus supplement. Take when you need a fast acting morning or afternoon energy boost. No weird...
  • NO ADDED SUGAR, only real fruit juice you can taste, and organic corn husk Xylitol and Stevia Sweetened, Only 3 low grams sugar from fruit sugar per...
  • NO REFRIGERATION NEEDED unless the bottle is opened and not used right away. Perfect portable energy. Each bottle meant to be one serving to be...
  • RECYCLABLE AND NON-TOXIC GLASS BOTTLES, We use glass packaging, and always will, because unlike plastic, glass will never leach chemicals into your...
Bestseller No. 9
Organic Guayusa Loose Leaf Tea by RUNA, 1 Pound (16oz) | Packed with Natural Caffeine for Clean...
  • CLEAN ENERGY FROM A LEAF, NOT A LAB | Our products are made with clean, organic ingredients - not packed with synthetic ingredients and sugar like...
  • SUSTAINED ENERGY AND FOCUS - NO CRASH | Thanks to the guayusa leaf’s unique balance of caffeine, polyphenols, and L-Theanine, RUNA tea provides...
  • ORGANIC. NO JUNK. GOOD THINGS | We’re dedicated to bringing you clean energy in every way possible, from using real ingredients, to how we source...
  • FEEL FULLY ALIVE | For thousands of years, the indigenous Kichwa people have woken up before dawn to gather around a communal fire and drink guayusa....
  • BETTER FOR THE WORLD | Being Fair Trade Certified means that a fair price is paid to our farmers and a safe work environment ensured for all workers....
Bestseller No. 10
Fresh & Organic Guayusa Loose Leaf, Energy Morning Tea by Waykana, 2.2 Pounds (35.27 oz) | Smooth...
  • ✓ WHAT IS GUAYUSA LEAF? | Guayusa is an endemic plant that grows in Ecuador's Amazon Rainforest used by the indigenous Kiwcha people as a tea for...
  • ✓ ALTERNATIVE TO YERBA MATE - COFFEE | Being guayusa a herb that contains 40mg of caffeine per 2g serving, it is a fantastic and balanced...
  • ✓ VARIETY OF WAYS TO ENJOY | Recommended serving: use 1 Tsp (2 g) in a 8 oz cup with hot water. You can use tea filters, teapot, strainers, classic...
  • ✓ NO JITTERS NO CRASH | Guayusa is rich in amino acids, polyphenols, and antioxidants that improve your cognitive function and immune system. It...
  • ✓ MANUFACTURER VALUE | All of our products are USDA Organic Certified. We use no artificial colors, flavors, sweeteners, or fillers. By purchasing...
Bestseller No. 11
Organic Guayusa Loose Leaf Energy Tea by Waykana, 1/2 Pound (8 oz) | Alternative to Yerba Mate,...
  • ✓ WHAT IS GUAYUSA LEAF? | Guayusa is an endemic plant that grows in Ecuador's Amazon Rainforest used by the indigenous Kiwcha people as a tea for...
  • ✓ ALTERNATIVE TO YERBA MATE - COFFEE | Being guayusa a herb that contains 40mg of caffeine per 2g serving, it is a fantastic and balanced...
  • ✓ VARIETY OF WAYS TO ENJOY | Recommended serving: use 1 Tsp (2 g) in a 8 oz cup with hot water. You can use tea filters, teapot, strainers, classic...
  • ✓ NO JITTERS NO CRASH | Guayusa is rich in amino acids, polyphenols, and antioxidants that improve your cognitive function and immune system. It...
  • ✓ MANUFACTURER VALUE | All of our products are USDA Organic Certified. We use no artificial colors, flavors, sweeteners, or fillers. By purchasing...
Bestseller No. 12
Guayusa Loose Leaf Extract Capsules, Naturally Grown and 100% Organic, Natural Caffeine to Boost...
  • PURE ORGANIC GUAYUSA LEAF EXTRACT CAPSULES - Dynax guayusa is an ideal dietary supplement and great alternative to coffee, tea bags and green tea. It...
  • NATURAL NOOTROPIC & ANTIOXIDANTS - Naturally boosts stamina, energy & endurance. Ideal brain booster supplement to improve awareness, focus, clarity...
  • 100% ALL-NATURAL GUAYUSA LOOSE LEAVES POWDER - Dynax Guayusa leaves are grown in the Amazonian Rainforest free of pesticides. Each recommended serving...
  • PROMOTES TRANQUILITY & IMPROVES ALERTNESS - Dynax guayusa capsules are a natural Nootropic with L-theanine, an amino acid that protects the brain, and...
  • 100% MONEY BACK GUARANTEE – Manufactured in the United States and meticulously tested to ensure consistency and quality. We believe in our products,...
Bestseller No. 14
Davidson's Tea Guayusa Energy, Bulk Tea, 16 Ounce
  • Loose Leaf (16-oz.)
  • Certified Organic by OTCO
  • Certified Kosher by KSA
  • Contains Caffeine
Bestseller No. 15
WAYKANA Guayusa Organic Leaf Energy Tea Powder | Antioxidant Natural Energy Powder & Nutritional...
  • ✓ ENERGY & NUTRITIONAL SUPPLEMENT POWDER: Waykana wants to offer you new experiences and ways to consume and get the benefits of the sacred and...
  • ✓ NATURAL BENEFITS OF GUAYUSA LEAVES: Boosts your mental clarity, alertness, and focus energy. This bag con contains 75 servings of 2g. Guayusa...
  • ✓ EASY TO USE: Add 1 teaspoon of guayusa powder to your juice, shakes, fruit, yogurt; or simply mix it with water, lemon juice, and honey, for...
  • ✓ CAFFEINE AND ANTIOXIDANTS: Guayusa contains more natural caffeine than Yerba Mate and regular tea as well as double the antioxidants and...
  • ✓ MANUFACTURER VALUE: Waykana's products are crafted using a unique process. We use no artificial colors, flavors, sweeteners or fillers. Guayusa is...
Bestseller No. 16
Very Berry Guayusa with Elderberry, Blackberry, Strawberry, Raspberry & Hibiscus Tea - Gourmet Loose...
  • PACKED WITH FLAVOR AND ENERGY - Guayusa is related to yerba mate - an energizing herbal tea drunk by indigenous communities in the Amazon rainforest....
  • ALWAYS FRESH - We ship our bulk teas to order, guaranteeing your teas always arrive fresh and full of flavor!
  • ONLY CENTS PER CUP - For as little as 19 cents per cup, our loose leaf yerba mate herbal teas give you quality at an affordable price.
  • VITAMINS AND ANTIOXIDANTS - Yerba mate is a great choice for health and weight loss. Antioxidants may help boost your metabolism, immune system and...
Bestseller No. 17
Total Tea Detox Guayusa Energy Tea - All Natural Herbal Caffeinated Tea Cleanse - Increase Energy &...
  • BEST GREEN DETOX TEA: Recommended for appetite control & memory aid. Complements our gentle detox tea!
  • ENERGY BOOST: Our herbal energy guayusa tea is naturally packed with caffeine and antioxidants.
  • HIGH ANTIOXIDENT BLEND: A weight loss green tea with ORAC antioxidant values of 58uM per gram!
  • 100% NATURAL HERBAL TEA BAGS: No Artificial flavors, colors or preservatives. Gluten Free & Kosher certified.
  • GUARANTEED REFUND: If you are not satisfied, simply contact us for a full 30-day money back guarantee!
Bestseller No. 18
Wajuko Hibiscus Flower & Ginger – Premium Guayusa Tea | Natural Energy - Natural Caffeine -...
  • Natural Energizer: Wajuko has the energizing properties that your body needs to keep your mind active and your physical performance at 100%, thanks to...
  • Antioxidants: Wajuko has the ability to neutralize free radicals, thanks to its antioxidant property, delaying the aging of the cells of your body and...
  • Natural Energy Drink
  • In addition: it contains theobromine, a stimulant generally found in chocolate, and L-theanine, a glutamic acid analog found in green tea that has...
Bestseller No. 19
Davidson's Tea Guayusa Energy, Unwrapped Tea Bags, 100 Count
  • Unwrapped Tea Bags (100-Count)
  • Certified Organic by OTCO
  • Certified Kosher by KSA
  • Contains Caffeine
Bestseller No. 20
GUAYUSA POWDER by PACHA - 1 Pound (16oz) | Organic Leaf | High Natural Caffeine | Clean & Balanced...
  • ✓ 100% Natural Guayusa. NO TANNINS - Astringent FREE. It tastes smooth and naturally sweet. Each leaf contains caffeine, Double antioxidants of...
  • ✓ Guayusa provides you with a rejuvenating burst of energy, different from coffee or other caffeinated teas. The people of the Ecuadorean Rainforest...
  • ✓ EASY TO USE: *DRINK - Add 1 teaspoon of guayusa powder to your juice, smoothie, yogurt, milk, or just to your water; *TEA - Heat water until art...
  • ✓ PRODUCTION: We produce in a traditional way allowing our customers to enjoy an ancient product with its original taste, smell and color
  • ✓ Pacha works with indigenous farmers and small farmers to promote social change through sustainable development projects.

Having trouble finding a great guayusa caffeine?

This problem is well understood by us because we have gone through the entire guayusa caffeine research process ourselves, which is why we have put together a comprehensive list of the best guayusa caffeines available in the market today.

After hours of searching and using all the models on the market, we have found the best guayusa caffeine for 2023. See our ranking below!

How Do You Buy The Best Guayusa Caffeine?

Do you get stressed out thinking about shopping for a great guayusa caffeine? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching guayusa caffeine, which is why we have assembled a comprehensive list of the greatest guayusa caffeine available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for guayusa caffeine that you consider buying. Your questions might include the following:

  • Is it worth buying an guayusa caffeine?
  • What benefits are there with buying an guayusa caffeine?
  • What factors deserve consideration when shopping for an effective guayusa caffeine?
  • Why is it crucial to invest in any guayusa caffeine, much less the best one?
  • Which guayusa caffeine are good in the current market?
  • Where can you find information like this about guayusa caffeine?

We’re convinced that you likely have far more questions than just these regarding guayusa caffeine, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for guayusa caffeine, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible guayusa caffeine. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an guayusa caffeine buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available guayusa caffeine currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of guayusa caffeine has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an guayusa caffeine?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your guayusa caffeine.
  5. Customer Ratings: Number ratings grade guayusa caffeine objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their guayusa caffeine.
  7. Product Quality: You don’t always get what you pay for with an guayusa caffeine, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an guayusa caffeine is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining guayusa caffeine information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding guayusa caffeine is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is guayusa good for?

A: Add 1 teaspoon (about 2 grams) of loose-leaf guayusa to a mug or to a tea strainer placed inside a mug. Pour in 8 ounces (240 ml) of boiling water. Steep for 5–7 minutes or until you reach your desired strength. Strain or remove tea strainer.

Q: What are the benefits of guayusa?

A: Excess of anything is bad for our health . … Taking guayusa tea can lead to an increase in blood pressure,thus causing heart disease and other cardiovascular disease,but this happens only if the person is allergic … Guayusa tea is a powerful herb which shows,it effects as soon as it is consumed . …

Q: Is guayusa safe?

A: In general, guayusa tea is considered safe. Yet, it contains caffeine, and consuming excessive amounts may cause symptoms like restlessness, anxiety, and insomnia. It also has tannins that can cause problems with the absorption of iron. Drinking too much on an empty stomach may cause nausea.

Q: Is guarana related to caffeine?

A: caffeine – guarana seeds contain 2-7.5% caffeine. This is the chief stimulant in guarana. theobromine and theophylline – there are traces of these two plant chemicals, both chemically related to caffeine; theobromine is also found in chocolate and tea 5,6.