Best L-Theanine Energy Drinks of 2025

Ashley Abels Avatar
Ashley Abels
Last Updated: Jan 1, 2025

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L-Theanine energy drinks are becoming increasingly popular among health-conscious consumers looking for an alternative to traditional caffeine-packed energy drinks. L-Theanine is an amino acid found in green tea leaves that has been shown to promote relaxation and reduce stress, without causing drowsiness. When combined with caffeine, L-Theanine can provide a sustained energy boost without the jitters or crash often associated with traditional energy drinks. These drinks are available in a variety of flavors and are a great option for those looking for a healthier way to power through their day.

At a Glance: Our Top Picks

ARDOR ENERGY Sparkling Water TROPICAL variety 12 pack Cover #TOP 1
ARDOR ENERGY Sparkling Water TROPICAL variety 12 pack
ftb score rating icon 9.8
FEEL Sparkling Natural Energy Drink Variety Pack Cover #TOP 2
FEEL Sparkling Natural Energy Drink Variety Pack
ftb score rating icon 9.7
UPTIME Original Citrus Energy Drink Cover #TOP 3
UPTIME Original Citrus Energy Drink
ftb score rating icon 9.5

Top 10 L-Theanine Energy Drinks

ARDOR ENERGY Sparkling Water TROPICAL variety 12 pack

ARDOR
ARDOR ENERGY Sparkling Water TROPICAL variety 12 pack Cover
ARDOR ENERGY Sparkling Water TROPICAL variety 12 pack with 100mg Organic Caffeine from Green Tea & 200mg Organic L-Theanine (Focus & Calm). No Sugar. No Calories. Vegan. Gluten Free.

ARDOR ENERGY Sparkling Water TROPICAL variety 12 pack is a certified organic, flavored sparkling water that is enhanced with premium active ingredients such as 100mg organic caffeine from organic green tea, 200mg organic L-Theanine, and 100mg Sea Salt (electrolyte) to provide better mental focus, improved sleep, relaxation, and increased cognitive performance. It is also vegan, gluten-free, and made with natural organic flavors. This energy drink contains zero sugar and zero calories. It comes in a pack of 4 tropical flavors which include Tropical Mango, Mexican Lime, Pink Grapefruit, and White Peach.

What We Like
Enhanced with organic caffeine, organic L-Theanine, and electrolyte to provide better mental focus, improved sleep, relaxation, and increased cognitive performance
Certified organic, vegan, gluten-free, and made with natural organic flavors
Zero sugar and zero calories, perfect for upgrading your beverage game without compromising on taste or function
#TOP 2

FEEL Sparkling Natural Energy Drink Variety Pack

FEEL
FEEL Sparkling Natural Energy Drink Variety Pack Cover
FEEL Zero Sugar Natural Energy Drinks, Sparkling Variety Pack - Healthy Energy Drinks, L-Theanine for Focus, Vitamin C, Caffeine from Green Coffee Beans, 12 Fl Oz (Pack of 12)

FEEL Sparkling Natural Energy Drink Variety Pack is a light, sparkling energy drink made with plant-based goodness and zero sugar or carbs. It contains 120 mg of caffeine sourced from unroasted green coffee beans, 100 mg of L-theanine from tea leaf extract, and ginseng to support mood, productivity, and immune system. It is free from artificial ingredients, animal products, gluten, and chemicals, and contains antioxidant vitamins A and E, and 100% RDI of vitamin C. Customers love the taste, energy boost, and lack of jitters or crash.

What We Like
Zero sugar or carbs
Caffeine sourced from unroasted green coffee beans
Contains L-theanine and ginseng
Free from artificial ingredients, animal products, gluten, and chemicals
Tastes great and provides energy boost without jitters or crash
#TOP 3

UPTIME Original Citrus Energy Drink

UPTIME Original Citrus Energy Drink Cover
UPTIME Energy Drink, Original Citrus Cane Sugar, 12 Pack, Vitamin C, L Theanine, Calcium, Energy Drinks for Focus Support, 142mg of Natural Caffeine per Serving, Clean, Natural, Non GMO, 12 fl oz Cans

UPTIME Energy Drink offers a natural and refreshing boost to your energy levels. With its clean ingredients, you can say goodbye to sluggish afternoons and hello to increased focus and vitality. Each can contains 142mg of natural caffeine, comparable to a quality cup of coffee, helping you stay alert and sharp. The delightful Original Citrus flavor combines lemon, lime, and orange for a crisp taste that uplifts your spirits. Plus, the resealable cap ensures your drink stays cold and fresh, making it convenient to enjoy throughout your busy day.

What We Like
Natural energy boost
Refreshing citrus flavor
Resealable and convenient
Non-GMO ingredients

Zest Plant Powered Natural Energy Drink - Blackberry Lime

purple
Zest Plant Powered Natural Energy Drink - Blackberry Lime Cover
Zest Plant Powered Natural Energy Sparkling Drink - Blackberry Lime - Caffeine + L-Theanine - 12oz Can, 12 Pack - Zero Sugar, 0 Calories, Whole 30, Healthy Coffee Substitute, Non GMO High Caff Blend

Zest Plant Powered Natural Energy Sparkling Drink is a Keto-friendly carbonated energy drink with no sugar and zero calories. Each can contains 120mg of natural caffeine sourced from tea and 100mg of L-Theanine to reduce the jitters and crash of caffeine. The blackberry lime flavor is a bold blend of tantalizing flavors that will energize your day. This soda alternative is best served chilled and can be enjoyed any time!

What We Like
Healthy, plant-powered coffee alternative
Highly caffeinated energy drink
No jitters or crash
Best served chilled
Nothing artificial
#TOP 5

ATHON Natural Energy Drink: Apollo Orange Mango

Athon
ATHON Natural Energy Drink: Apollo Orange Mango Cover
ATHON Natural Energy Drink: Apollo Orange Mango | Zero Calories | Naturally Sweetened | L-Theanine and B-Vitamins | 200mg Caffeine | 12 fl oz Cans (12 pack)

ATHON Energy Drink offers a refreshing boost without the guilt. With zero calories, sugar, or fat, you can enjoy its naturally sweetened flavor without worrying about harmful additives. The drink contains 160mg of green tea caffeine, providing a calm energy surge that helps you stay focused without the crash often associated with traditional energy drinks. Packed with Vitamin C and essential B vitamins, it supports your overall health while enhancing your energy levels. Plus, it includes natural ingredients that eliminate artificial colors and preservatives, making it a healthier choice for your daily energy needs.

What We Like
Zero calories and sugar
Natural caffeine source
Rich in vitamins
No artificial ingredients
#TOP 6

Odyssey 222 Energy Drink

850025765749
12 Pack
Odyssey 222 Energy Drink Cover
Odyssey 222 Energy Drink, Pre Workout, 222mg Caffeine, Clean Energy Drinks, L Theanine, Lions Mane, Cordyceps & Green Tea for Energy, Focus & Mood Boost, Low Calorie, Variety Pack, 12 Fl oz, 12 Pack

Odyssey Energy Drink is designed to give you a powerful boost with its impressive 222 mg of caffeine. This strong dose helps you stay energized throughout your day or during workouts. Additionally, it includes nootropic ingredients like Lion's Mane and Cordyceps, which support cognitive function and mental clarity. This means you can focus better and perform at your best. Whether you're hitting the gym or tackling a busy day, this drink promotes endurance and stamina, ensuring you can keep going without feeling fatigued. Plus, with a variety pack of flavors, you can enjoy a refreshing experience every time.

What We Like
High caffeine content
Cognitive support ingredients
Boosts endurance and stamina
Variety of flavors
#TOP 7

ATHON Natural Energy Drink: Pomegranate Acai

Athon
ATHON Natural Energy Drink: Pomegranate Acai Cover
ATHON Natural Energy Drink: Aphrodite Pomegranate Acai | 50 Calories | 10g sugar | L-Theanine and B-Vitamins | 160mg Caffeine | 12 fl oz Cans (12 pack)

Athon Energy Drink provides a refreshing boost with 160mg of natural green tea caffeine, ensuring you stay energized without the crash. It contains 10g of natural sugar, allowing you to enjoy a sweet taste while keeping calories low, which helps maintain your focus throughout the day. Made from organic ingredients, this drink avoids artificial colors and preservatives, promoting a healthier choice. Additionally, it is enriched with Vitamin C and essential B vitamins, helping to support your overall health and vitality.

What We Like
Natural caffeine source
Low calorie and sugar
No artificial ingredients
Rich in vitamins
#TOP 8

GYM WEED Caffeine Adaptogen Drink

GYM WEED
47220
12 Pack
GYM WEED Caffeine Adaptogen Drink Cover
GYM WEED Caffeine + Adaptogen Drink with 200mg Caffeine from Green Tea, Ashwagandha, Lions Mane Mushroom, L Theanine, B Vitamins, & Electrolytes, Zero Sugar Drinks, Sour & Sweet Variety Pack, 12 Pack

GYM WEED Energy Drink is designed to provide a smoother energy boost without the jitters. It features 300mg of KSM66 ashwagandha, which helps reduce stress and improve focus, making it perfect for your busy day. With 200mg of caffeine sourced from green tea, you'll experience clean energy that enhances your workout performance. The addition of 100mg of L-theanine promotes a calm alertness, allowing you to concentrate without feeling drowsy. Plus, the inclusion of lion's mane mushroom supports your brain health, ensuring you stay sharp during your activities.

What We Like
Clean energy boost
Stress reduction
Enhanced focus
Brain health support

UPTIME Energy Drink Blueberry Pomegranate

921725
UPTIME Energy Drink Blueberry Pomegranate Cover
UPTIME Energy Drink, Blueberry Pomegranate, 12 Pack, Vitamin C, L Theanine, Calcium, Sugar Free Energy Drinks for Focus Support, 142mg of Natural Caffeine, 0 Calories, Clean, Natural, 12 fl oz Cans

UPTIME Energy Drink offers a natural way to boost your energy and focus. With its clean ingredients, you can say goodbye to energy crashes and enjoy a refreshing lift whenever you need it. Each can contains 142mg of natural caffeine, comparable to a good cup of coffee, helping you stay alert and clear-headed. The delightful blueberry pomegranate flavor makes it a tasty choice for hydration during workouts or busy days. Plus, the resealable cap keeps your drink fresh, allowing you to sip on it throughout the day with ease.

What We Like
Natural energy boost
Zero calories
Tasty flavor
Resealable cap
#TOP 10

GYM WEED Caffeine + Adaptogen Drink

GYM WEED
12 Pack
GYM WEED Caffeine + Adaptogen Drink Cover
GYM WEED Caffeine + Adaptogen Drink with 200mg Caffeine from Green Tea, Ashwagandha, Lions Mane Mushroom, L Theanine, B Vitamins, and Electrolytes, Zero Sugar Drinks, Watermelon, 12 Pack

GYM WEED Energy Drink is designed to offer a balanced energy boost without the jitters often associated with typical energy drinks. It combines 200mg of caffeine from green tea, providing a clean and sustained energy flow that can enhance your workout performance. Additionally, it includes 300mg of KSM66 ashwagandha to help reduce stress and improve focus, making it easier for you to stay on task. With 100mg of l-theanine, this drink promotes a calm alertness, allowing you to concentrate without feeling drowsy. Finally, the inclusion of lion's mane mushroom supports brain health, making this drink a smart choice for your active lifestyle.

What We Like
Clean energy boost
Reduces stress and tension
Promotes focus and concentration
Supports brain health
Buying Guide Image

What You Need to Know About L-Theanine Energy Drinks

What is L-Theanine?

L-Theanine is an amino acid found naturally in tea leaves. It is known for its calming effects on the brain, promoting relaxation without causing drowsiness.

Why Choose L-Theanine Energy Drinks?

If you're someone who frequently turns to energy drinks to boost your alertness and focus, you may want to consider switching to ones that contain L-Theanine. Unlike traditional energy drinks that often contain high levels of caffeine and sugar, L-Theanine energy drinks provide a more balanced, sustained source of energy. The combination of caffeine and L-Theanine can help improve cognitive function and focus, without the jitters or crash that can come from caffeine alone.

How to Choose the Best L-Theanine Energy Drink

When looking for an L-Theanine energy drink, there are a few key factors to consider:

  1. Caffeine content: While caffeine can provide a boost of energy, too much can lead to negative side effects like anxiety and irritability. Look for L-Theanine energy drinks that have moderate levels of caffeine, typically around 100mg per serving.

  2. Ingredients: As with any food or beverage, it's important to read the ingredient list to ensure you're not consuming any unnecessary additives or artificial ingredients. Choose L-Theanine energy drinks that have minimal, high-quality ingredients.

  3. Taste: Everyone has their own preferences when it comes to taste, so it's important to choose an L-Theanine energy drink that you actually enjoy drinking. Try a few different options to see which ones you like best.

  4. Price: Like any product, L-Theanine energy drinks can vary in price. Consider how often you plan on drinking them and choose one that fits within your budget.

Conclusion

L-Theanine energy drinks can be a great alternative to traditional energy drinks for those looking for a more balanced, sustained source of energy. Keep these factors in mind when choosing the best L-Theanine energy drink for you.

Frequently Asked Questions (FAQs)

1. Do energy drinks contain L-theanine?

Yes, some energy drinks contain L-theanine as one of their ingredients. L-theanine is an amino acid sourced from green tea. It is favored for its ability to calm the brain, relieve stress, and enhance concentration. It is often used in energy drinks to counteract the jitters and negative effects of caffeine and other stimulant ingredients.

2. What drinks are high in L-theanine?

Green tea, black tea, and certain types of mushrooms naturally contain L-theanine. These drinks are known to have higher levels of L-theanine. L-theanine can affect the levels of certain chemicals in the brain and is valued for its calming and focus-enhancing effects.

3. Can I drink caffeine with L-theanine?

Yes, it is safe to drink caffeine with L-theanine. When caffeine and L-theanine are combined, they can increase focus and reduce fatigue. Studies have shown that participants who consumed both caffeine and L-theanine felt less tired compared to before. The combination of these two ingredients can provide enhanced energy and improved mental endurance.

4. Does caffeine and L-theanine give you energy?

Yes, when caffeine and L-theanine are combined, they provide a synergistic effect. This combination results in heightened focus, awareness, and energy. It also helps reduce stress and improve mental endurance. The combination of caffeine and L-theanine is known to provide a boost of energy and cognitive enhancement.

5. Can you take L-theanine with a stimulant?

If you regularly take any medications or stimulants, it is important to consult with your doctor before taking L-theanine supplements. L-theanine may interact with stimulants, sedatives, and medications for high blood pressure. It's essential to seek medical advice to ensure safe and appropriate use.

6. What should you not take L-theanine with?

If you are taking medications for high blood pressure (antihypertensive drugs), it is important to be cautious when combining them with L-theanine. Theanine has the potential to lower blood pressure, so combining it with medications that also lower blood pressure may cause blood pressure to drop too low. It is recommended to closely monitor blood pressure levels in such cases.

Editor's Notes

During our l-theanine energy drink research, we found 24 l-theanine energy drink products and shortlisted 10 quality products. We collected and analyzed 17,071 customer reviews through our big data system to write the l-theanine energy drinks list. We found that most customers choose l-theanine energy drinks with an average price of $31.48.

The l-theanine energy drinks are available for purchase. We have researched hundreds of brands and picked the top brands of l-theanine energy drinks, including ARDOR, FEEL, UPTIME, Zest, Athon. The seller of top 1 product has received honest feedback from 50 consumers with an average rating of 4.4.

Written by
Ashley Abels Avatar

Ashley Abels is a former restaurant executive and has worked in the restaurant industry for 15 years. She is also a gourmet who loves tasting different cuisines and trying out all kinds of cooking methods. The food she writes about will make you want to try it!