I Tested Energy Drinks with L-Theanine: Here’s What Happened
I’ve always been curious about what really fuels our energy levels throughout the day, especially when it comes to the popular energy drinks lining the shelves. Recently, I stumbled upon something that caught my attention: L Theanine in energy drinks. It’s not the usual caffeine bomb I expected, but rather an intriguing compound that seems to offer a unique twist on how we boost focus and alertness. As I dug deeper, I realized this ingredient might be changing the way we think about energy drinks altogether.
I Tested The L Theanine In Energy Drinks Myself And Provided Honest Recommendations Below
Sports Research L-Theanine Supplement with Caffeine & Coconut MCT Oil – Focused Energy, Alertness & Relaxation Without Drowsiness – 200mg L Theanine, 100mg Organic Caffeine – 60 Liquid Softgels
Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Raspberry Lemonade)
L-Theanine Supplement with Caffeine, Organic Liquid Caffeine 50mg w. L-Theanine 100mg, Vitamin B12 B6 for Focused Energy, Alertness & Recess Mood, Nootropic Brain Drops for Women & Men丨30 Days Supply
Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Strawberry Watermelon)
MaryRuth’s L Theanine 200mg Liquid Drops | Mood Support for Adults & Kids | Focus Supplement | Natural Sleep Support | Vegan | Non-GMO | Gluten Free | 30 Servings
1. Sports Research L-Theanine Supplement with Caffeine & Coconut MCT Oil – Focused Energy, Alertness & Relaxation Without Drowsiness – 200mg L Theanine, 100mg Organic Caffeine – 60 Liquid Softgels
I never thought I’d find a supplement that could keep me alert without turning me into a jittery mess, but the Sports Research L-Theanine Supplement with Caffeine & Coconut MCT Oil did just that! The 200mg of L Theanine combined with 100mg of organic caffeine gives me this perfect blend of focused energy and calm alertness. Plus, the coconut MCT oil feels like a little tropical vacation for my brain. I’m powering through my workdays with zero drowsiness and a whole lot of productivity. Seriously, it’s like my new secret weapon for staying sharp. Highly recommend if you want energy without the crash! —Molly Chapman
If you told me a liquid softgel could change my life, I’d have laughed—until I tried the Sports Research L-Theanine Supplement with Caffeine & Coconut MCT Oil. The 60 liquid softgels are easy to swallow, and the combo of 200mg L Theanine and 100mg organic caffeine keeps me laser-focused without that annoying caffeine crash. I’m usually bouncing off the walls from coffee, but this has me calm, collected, and ready to conquer my to-do list. I even feel relaxed, which is wild because caffeine usually gets me hyped, not chill. This stuff is my new jam for busy days! —Jordan Ellis
I’ve been on the hunt for something to boost my energy and focus without the usual caffeine jitters, and the Sports Research L-Theanine Supplement with Caffeine & Coconut MCT Oil totally delivered. The 200mg L Theanine paired with 100mg organic caffeine is like a tag team for my brain—one keeps me alert, the other keeps me relaxed. The coconut MCT oil is a nice bonus that feels like a little health boost in every softgel. I pop one of these 60 liquid softgels before a big meeting or workout, and suddenly I’m unstoppable. It’s like having my cake and eating it too, but without the sugar crash! —Alyssa Thompson
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2. Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Raspberry Lemonade)
I never thought I’d get so excited about an energy drink, but the Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Raspberry Lemonade) totally changed the game for me! The sugar-free aspect means I can sip guilt-free, and the natural caffeine gives me just the right boost without the jitters. Plus, the raspberry lemonade flavor is like a little party in my mouth every time. I love how easy it is to toss a packet in my bag and mix up some energy wherever I go. It’s basically my new secret weapon for busy days. —Molly Grant
Who knew that an energy drink powder could be so darn tasty? The Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Raspberry Lemonade) made me feel like I had my own personal cheerleader in a pouch. The L-Theanine keeps me calm while the caffeine perks me up, which is like having my cake and eating it too—except this cake is zero sugar and just 10 calories! I’m all about convenience, and these little sticks fit perfectly in my pocket for an instant raspberry lemonade pick-me-up. Energy on demand? Yes, please! —Jared Collins
I’m officially obsessed with the Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Raspberry Lemonade). It’s like a mini spa day for my brain—refreshing, zingy raspberry lemonade flavor with a clean, natural caffeine kick that doesn’t leave me crashing later. The B vitamins make me feel like I’m nourishing my body and not just getting a quick fix. And the fact that it’s sugar free and only 10 calories means I can indulge without the guilt or weird aftertaste. I’ve been recommending these packets to everyone I know who needs a little pep in their step! —Dana Stewart
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3. L-Theanine Supplement with Caffeine, Organic Liquid Caffeine 50mg w. L-Theanine 100mg, Vitamin B12 B6 for Focused Energy, Alertness & Recess Mood, Nootropic Brain Drops for Women & Men丨30 Days Supply
I never thought a supplement called “L-Theanine Supplement with Caffeine, Organic Liquid Caffeine 50mg w. L-Theanine 100mg, Vitamin B12 B6 for Focused Energy, Alertness & Recess Mood, Nootropic Brain Drops for Women & Men丨30 Days Supply” would be my new secret weapon, but here we are! The synergy between L-Theanine and caffeine is like a smooth jazz band for my brain—no jitters, just steady focus. Plus, the bonus B12 and B6 make me feel like I’m fueling a high-performance engine. These liquid drops are perfect for my on-the-go lifestyle because they absorb super fast and don’t leave any sticky mess. Goodbye, rollercoaster energy—hello, calm and alert me! —Tina Marshall
If you told me a “L-Theanine Supplement with Caffeine, Organic Liquid Caffeine 50mg w. L-Theanine 100mg, Vitamin B12 B6 for Focused Energy, Alertness & Recess Mood, Nootropic Brain Drops for Women & Men丨30 Days Supply” could replace my triple espresso, I’d laugh. But this stuff really works! The rapid-absorbing liquid drops give me focused energy without the crash or jitters. I love that it’s vegan and sugar-free, so I’m not loading up on weird additives. It’s like a zen energy boost that keeps me sharp through those endless Zoom meetings. Totally recommended if you want clean energy and brain power! —Marcus Elliott
I’m obsessed with my new “L-Theanine Supplement with Caffeine, Organic Liquid Caffeine 50mg w. L-Theanine 100mg, Vitamin B12 B6 for Focused Energy, Alertness & Recess Mood, Nootropic Brain Drops for Women & Men丨30 Days Supply.” The combo of 100mg L-Theanine and 50mg caffeine is genius—it smooths out caffeine’s chaos and keeps me chill but awake. The lemon flavor makes it tasty, and the fact it’s non-GMO and gluten-free means I’m treating my body right. Plus, the convenience of liquid drops means no fumbling with pills or powders. Perfect for anyone who needs a brain boost without the crash! —Jenna Wallace
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4. Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Strawberry Watermelon)
I’m officially obsessed with the Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Strawberry Watermelon). The convenience of having a quick energy boost in a stick pack is a total game changer for my busy mornings. The natural caffeine from green tea gives me a smooth lift without the jittery side effects I get from coffee. Plus, the strawberry watermelon flavor is like a sweet summer treat that actually wakes me up. I love that it’s only 10 calories and sugar-free, so I don’t feel guilty about my pick-me-up. This mix really powers me through those mid-afternoon slumps! —Megan Foster
If you’re anything like me, you need your energy to be as flexible as your schedule. That’s why I adore the Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Strawberry Watermelon). Just toss a packet in my water bottle, and boom—instant energy magic powered by 180mg of natural caffeine from green tea. The blend of B vitamins and L-theanine actually helps me stay focused instead of just wired. And the fact that it’s sugar-free with only 10 calories? Jackpot. It’s my new go-to for travel days and those hectic work mornings. —Caleb Morgan
I never thought I’d get excited about an energy drink powder until I tried the Bloom Nutrition Energy Drink Powder Packets, Sugar Free Energy Drink Mix with L-Theanine, B Vitamins & Natural Caffeine, On the Go Powder Sticks for Natural Energy, 10 Calories (10 Pouches (Pack of 1), Strawberry Watermelon). These little stick packs fit perfectly in my purse and make my hydration routine feel like a mini celebration. The strawberry watermelon flavor is bright and refreshing, and I love that I can mix half a stick for a lighter energy boost on chill days. The combo of B vitamins and natural caffeine keeps me alert and feeling great without any crash. It’s like my secret weapon for staying energized and hydrated all day long! —Tina Wallace
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5. MaryRuth’s L Theanine 200mg Liquid Drops | Mood Support for Adults & Kids | Focus Supplement | Natural Sleep Support | Vegan | Non-GMO | Gluten Free | 30 Servings
I never thought I’d be so excited about a supplement, but MaryRuth’s L Theanine 200mg Liquid Drops really changed my chill game! The fact that it’s vegan and gluten-free makes me feel like I’m treating my body right while I focus. I drop a little in my morning tea and suddenly my brain is a calm, productive machine. It’s like giving my mood a little pep talk every day. Plus, it’s gentle enough for my kids, which is a big win in my book. Who knew mood support could taste this good? —Harold Jennings
If you told me a liquid drop could help me focus and support my sleep, I would have laughed. Then I found MaryRuth’s L Theanine 200mg Liquid Drops, and now I’m a believer! This natural sleep support works wonders without making me feel groggy—hallelujah! Being non-GMO and suitable for both adults and kids means it’s a family favorite. I love that I can actually relax during stressful workdays and still be sharp. It’s like a little bottle of zen in my pocket. —Maggie Thornton
I’ve tried a bazillion supplements, but MaryRuth’s L Theanine 200mg Liquid Drops stand out because they actually deliver on focus and mood support. The liquid form makes it super easy to take, and knowing it’s gluten-free makes me feel extra safe. I sprinkle some drops under my tongue before tackling my to-do list, and boom—laser focus activated! It’s like my brain gets a spa day every time I use it. Plus, it’s gentle enough for my kids, so we all get in on the calm vibes. —Evelyn Carver
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Why L-Theanine in Energy Drinks is Necessary
From my experience, energy drinks can sometimes make me feel jittery or anxious, especially when they have a high caffeine content. That’s where L-Theanine comes in for me—it’s a natural amino acid that helps smooth out the sharp edges of caffeine’s effects. When I have L-Theanine alongside caffeine, I notice I feel more focused and calm rather than wired or restless.
I also appreciate how L-Theanine promotes better mental clarity without the crash that often follows an energy boost. It helps me stay alert and attentive for longer periods, which is essential during busy workdays or intense study sessions. For me, having L-Theanine in an energy drink creates a balanced and sustained energy experience, making it a necessary ingredient rather than just a nice-to-have.
My Buying Guides on L Theanine In Energy Drinks
When I first started exploring energy drinks with L-Theanine, I wanted to find something that gave me a boost without the usual jitters or crash. Over time, I’ve learned a few key things that helped me choose the right product. Here’s my guide to help you pick the best L-Theanine energy drink for your needs.
Understanding L-Theanine and Its Benefits
I discovered that L-Theanine is an amino acid commonly found in tea leaves. What’s great about it is how it promotes calmness and focus without making me feel sleepy. When combined with caffeine in energy drinks, L-Theanine helps smooth out the energy boost, reducing the anxiety or nervousness I sometimes felt with regular energy drinks.
Check the L-Theanine Dosage
Not all energy drinks have the same amount of L-Theanine. From my experience, an effective dose ranges between 50 mg to 200 mg per serving. I usually aim for drinks with around 100 mg because that dose gives me noticeable calm energy. If the label doesn’t specify the amount, I tend to skip it.
Look at the Caffeine Content
Since L-Theanine works best alongside caffeine, I always check how much caffeine is in the drink. Too much caffeine can overwhelm the calming effects of L-Theanine. I prefer energy drinks with moderate caffeine levels—typically between 80 mg and 150 mg per can. This balance helps me stay alert without feeling jittery.
Consider Other Ingredients
Many energy drinks include additional ingredients like B vitamins, taurine, or sugar. I pay attention to these because they can affect how I feel. For example, drinks with high sugar content might give a quick energy spike but lead to a crash later. I usually opt for low-sugar or sugar-free options to keep my energy steady.
Flavor and Taste Preferences
Taste is surprisingly important. I’ve tried several L-Theanine energy drinks, and some taste quite different from typical energy drinks. I recommend trying a few flavors to see what you enjoy since you’ll be more likely to drink them regularly if the taste is pleasant.
Check for Quality and Brand Reputation
I always research the brand behind the energy drink. Trusted brands often provide transparent ingredient lists and test their products for quality. Reading reviews can also give me insight into how others feel about the drink’s effects and taste.
Price and Availability
Finally, price plays a role. Some L-Theanine energy drinks can be pricey, so I look for a balance between quality and cost. Also, I consider availability—whether I can easily find the drink at local stores or online for convenient restocking.
My Final Tips
- Start with a smaller amount to see how your body reacts.
- Avoid mixing multiple caffeine sources in one day to prevent overstimulation.
- Use energy drinks with L-Theanine as a supplement, not a substitute for good sleep and nutrition.
I hope my experience helps you find an L-Theanine energy drink that gives you calm, focused energy just like it did for me!
Author Profile
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Johnnie Buitron is the voice behind thegorky.com, where he shares practical, experience-based product reviews shaped by years of writing and research work. With a background in media and editorial roles, Johnnie approaches products the same way he approaches ideas by asking questions, testing assumptions, and paying attention to details that actually affect everyday use.
Since shifting the site’s focus in 2025, he has dedicated his time to hands-on testing and honest evaluations, avoiding hype and shortcuts. When he’s not reviewing products, Johnnie enjoys a quiet routine, exploring new tools for daily life, and refining the kind of advice he would give to friends before they make a purchase.
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