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The Best Caffeine And Theanine Capsules of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Caffeine And Theanine Capsules of 2023. Check our ranking below.

2,548 Reviews Scanned

SaleRank No. #1

Nutricost Caffeine with L-Theanine, 100mg of Each, 240 Capsules, 240 Servings - Non-GMO and Gluten Free

Balanced Combination: Each serving of Nutricost Caffeine with L-Theanine delivers 100 mg of caffeine and 100 mg of L-theanine, providing a harmonious blend of these two ingredients.
Versatile Use: Nutricost Caffeine with L-Theanine can be easily incorporated into your daily routine, whether you need a boost of energy, enhanced focus, or a sense of calm and relaxation.
Abundant Supply: The 240 capsules in each bottle offer a total of 240 servings, ensuring you have an ample supply of this beneficial supplement.
High-Quality Manufacturing: This product is manufactured in an NSF certified and GMP compliant facility, ensuring the highest standards of quality and purity.
Rigorous Testing: To guarantee the integrity of the product, each batch undergoes independent testing by third-party, ISO accredited laboratories.

Rank No. #2

200mg Caffeine Pills - MCT Oil from 100% Coconuts + 100mg L-Theanine, Advanced Energy, Clean Focus and Perfect Clarity + All Natural Smooth Extended Release

SMARTER Caffeine Supplement enhanced with L-theanine. Clean Smooth Mental Focus, Energy and Heightened Mind Alertness without the tingling feeling and the crash of energy drinks and coffee. L Theanine Caffeine Nootropic Stack for Cognitive Performance. Caffeine so Smart, it's Genius.
SMARTER Natural Energy Pills for men & women. MCT Oil sourced from 100% Coconuts helps to provide Natural Energy, Focus, Attention, and Alertness, L-Theanine Soothes any jitters that may happen from caffeine.
SMARTER Enhanced Berry softgels provide better absorbed Caffeine than Tablets & Capsules. Pre-workout & nootropic brain booster.
Made SMARTER in the USA without Bad Stuff such as fillers, magnesium stearate, dioxides, silica, maltodextrin, carrageenan, soy, milk, egg, corn, tree nuts, artificial colors, or preservatives.
We are passionate about manufacturing SMARTER supplements that are superior in quality in absolutely every aspect – while still being affordable, approachable and available to anyone looking to make a positive impact on their personal health and well being.

Rank No. #3

FAST-ACTING ENERGY AND FOCUS - This powerful nootropic blend helps boost mental focus and alterness while also promoting wakefulness. This supports mental and physical productivity and is great for studying or even working out!
NO CRASH NO JITTERS. CALM CLEAN ENERGY - Caffeine + L-theanine pills are a safe, convenient & economic alternative to sugary coffee and energy drinks to help you get through your work day.
STANDARDIZATION - Many companies lack the quality controls & testing capabilities to ensure customers are receiving products which meet their expectations. At Nootropics Depot, our Caffeine + L-Theanine is standardized in both 100mg of Caffeine and 200mg of L-Theanine as well as 200mg of Caffeine and 100mg of L-Theanine. We then verify this using our industry leading laboratory so you can be ensured that you are getting exactly what you see and what you pay for.
LAB TESTED AND VERIFIED - All Nootropics Depot products are thoroughly lab tested to ensure our customers are receiving only the highest quality ingredients at the optimal strength, potency and purity. We take pride in the amount of research put into every product by sourcing only the highest quality and innovative ingredients.

Rank No. #4

FAST-ACTING ENERGY AND FOCUS - This powerful nootropic blend helps boost mental focus and alterness while also promoting wakefulness. This supports mental and physical productivity and is great for studying or even working out!
NO CRASH NO JITTERS. CALM CLEAN ENERGY - Caffeine + L-theanine pills are a safe, convenient & economic alternative to sugary coffee and energy drinks to help you get through your work day.
STANDARDIZATION - Many companies lack the quality controls & testing capabilities to ensure customers are receiving products which meet their expectations. At Nootropics Depot, our Caffeine + L-Theanine is standardized in both 100mg of Caffeine and 200mg of L-Theanine as well as 200mg of Caffeine and 100mg of L-Theanine. We then verify this using our industry leading laboratory so you can be ensured that you are getting exactly what you see and what you pay for.
LAB TESTED AND VERIFIED - All Nootropics Depot products are thoroughly lab tested to ensure our customers are receiving only the highest quality ingredients at the optimal strength, potency and purity. We take pride in the amount of research put into every product by sourcing only the highest quality and innovative ingredients.

Rank No. #5

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

2-IN-1 SUPPORT: Sports Research L-theanine and Caffeine can help boost mental focus and alertness while promoting wakefulness. Our nootropic stack also supports cognitive and physical productivity, so it's great for studying or working out in the gym.*
CLEAN ENERGY: Just one of our liquid softgels provides 200mg of l theanine with 100mg of organic caffeine + coconut MCT oil for a convenient & economical alternative to sugary energy drinks and coffee.
BETTER INGREDIENTS: Our keto certified caffeine with l theanine supplement for men and women contains Alphawave - a highly purified and standardized brand of l theanine and PurCaf Caffeine - sourced from organic green coffee beans.
PREMIUM QUALITY: We hold all of our supplements to a higher standard. Rest assured that your L-Theanine + Caffeine is crafted using non-GMO verified ingredients with no fillers, gluten, or seed oils. Manufactured in the USA in a cGMP-compliant facility.
THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every body—inside and out.

SaleRank No. #6

VALI Caffeine 50mg & L Theanine 100mg - Caffeine Pills & L-Theanine for Smart Smooth Energy & Focus Supplement. Nootropic Brain Booster Cognitive Support Stack & Focused Clarity. 120 Veggie Capsules

Health, Happiness & Performance - We started VALI because we want to know exactly what’s inside our supplements and we want supplements that give real results without the marketing fluff other companies use to charge exorbitant prices. Nothing proprietary, clean highest quality ingredients at a great value, transparent formula, 3rd party testing for purity, and a commitment to above and beyond customer service. This is our promise to you! ALL our products come with a 100% money back guarantee.
Smooth Focused Energy, In Your Control - This isn’t your normal caffeine pill that gives too much fast jittery energy and then leaves you crashing. Caffeine and the amino acid L-Theanine work together as a smart nootropic stack to support energy, alertness, and clear focus. Our supplement provides 50mg caffeine and 100mg L-Theanine per capsule to give you an energy supplement that you control. Why take 100mg or 200mg caffeinated pills when you can energize with a smarter low dose active boost?
Safe, Clean & Transparent Formula - Unflavored capsules for easy to take energy and focus on the go without mixing powders. Get 50 milligrams of energizing caffeine anhydrous and 100 mg of calming L Theanine for the best quick mind boost. Take 2 tablets for extra strength or use as a daily brain booster. Zero carbs, sugar, artificial flavors or preservatives. Vegan, Non-GMO ingredients. Keto & paleo friendly. Proudly made in the USA in an eco-friendly facility under the latest cGMP guidelines.
Easy On-The-Go Cognitive Support - A commonly used advanced cognition health and function support for adult men and women, get the original best nootropic supplement stack for boosting calm productivity at work, focused but energized studying, deep thinking, and creative genius. Also great for endurance workouts, sports, or for an exercise energy booster. Promotes energy day or night, to stay alert without the high jitters or caffeine crash from standard energy pills, chews, gum or tablets.
Crush Your Health & Work Goals - Drop unhealthy sugary energy drinks for a smarter and healthier fast acting alternative mind boosting cognition support with no powdered mess. For concentration and productivity, feel a natural calm awake feeling during the day to get stuff done. Strive for optimal and elite peak physical performance with a relaxed sharp focus. Take anywhere portable smart energy enhancer to stay alert, maintain endurance, and stimulate activity, so you can achieve more.

Rank No. #7

Elite Caffeine Pills with L-Theanine – Jitter-Free Focused Energy Supplements – Clean & Natural Nootropic Stack for Smart Cognitive Performance – 120 Soft Capsules

FOCUS & LASTING ENERGY: Caffeine L Theanine pills create a nootropic stack formulated for smooth focused energy and clinically researched to provide clean energy and lasting endurance
NO JITTERS: Caffeine and L Theanine are super ingredients with no jitters or crash, so you can power through workouts, studies, and activities without the negative effects of regular caffeine. An easy replacement for sugary coffee and energy drinks
POTENT BLEND: Each two-capsule serving provides a potent, clinically validated blend of 100 mg Caffeine and 200 mg L Theanine for optimal results
EFFECTIVE & EASY TO SWALLOW: Pure natural Caffeine L Theanine formula in easy-to-swallow soft capsules. Effective energy pills for men & women that are completely free of fillers, binders, and artificial ingredients. No gluten, wheat, or dairy. And of course, never tested on animals. Just a pure and tested product
100% HAPPINESS & HEALTH COMMITMENT: Try our products without worry, we're confident that you’ll see results. Plus, through our partnership with Vitamin Angels, your purchase helps provide vitamins to underserved women and children at risk for malnutrition

SaleRank No. #8

⚡Natural Caffeine (100 mg) + L-Theanine (200 mg) + B Vitamins (1 Bottle - 120 Vegan Capsules) Energy and Focus Supplement.
⚡ CLEAN FOCUS & ENERGY: Caffeine and L-Theanine have an ideal balance of nootropics designed to give you clean energy, focus, concentration, and cognition without the jitters of coffee or energy drinks.
🌱 BUY WITH CONFIDENCE: Made in the USA with high quality sourced products and formulated in a FDA registered and GMP (Good Manufacture Practice) facility. No need to worry about cheap products with fillers.
👉WHY CAFFEINE & L-THEANINE?: L-Theanine is a natural non-protein amino acid that provides the umami flavor of green tea and black tea. Caffeine is the most used nootropic in the U.S but we know about caffeine’s worst attributes. L-Theanine has been shown to allow caffeine to work its brain-boosting charm without the negative side effects so you get a calm, zen-like focus!

Rank No. #9

Purisure Caffeine Theanine Capsules, Caffeine Pills 100mg Caffeine + 200mg L Theanine for Pre Workout, Energy, and Clarity, Energy Pills for Fatigue, Nootropic Supplement, 120 Day Supply

Clear, Focused Energy: Your memory and energy levels can come to life with our caffeine l theanine pills. This natural blend may boost mental focus and alertness while also promoting wakefulness. Take it when utmost concentration is required.
Energy Supplement: The combination of caffeine and l-theanine in these caffeine pills with l-theanine gives steady energy while promoting relaxation. Our nootropic duo is beneficial and may deliver alertness and a clear focus for daily basis.
No Fillers: We never compromise the quality of your caffeine and theanine pills, and neither should you. Our pure formula of 100mg Caffeine and 200mg L-Theanine will ensure that you have the energy to get through the day and a good night's sleep.
Cognitive Support: Caffeine l theanine is a great-tasting vegan, zero-carb supplement made from organic green tea and L-theanine that helps provide a steady stream of energy without the jitters. It has zero carbs, sugar, or artificial flavors.
How to Use: Take quick, easy energy and focus on the go. Take 2 tablets for extra strength or use them as a daily brain booster. With 200mg of caffeine and theanine, this convenient, supplement is great for all-day energy when you need it most.

Rank No. #10

SYMNUTRITION Caffeine 100mg, L-Theanine 200mg — 120 Count (V-Capsules) / 120 Servings: Manufactured in a cGMP-Registered Facility in USA; Vegan & Gluten Free

INSTRUCTIONS - Take one capsule with food up to four times per day. Do not exceed the recommended dose.
FORMULA - Exclusively formulated with high-grade ingredients, free from any redundant fillers; vegan and gluten free.
QUALITY - Professionally manufactured and assessed in a cGMP-registered facility in the US; certified for potency, purity, and integrity.
WARRANTY - We have a 180-days (6 months), no questions asked, full refund policy.

Rank No. #11

Stem & Root Game On Caffeine & L-Theanine Pills | Nootropics Supplement to Improve Energy, Memory, Focus & Concentration, 60 Capsules (1 Month Supply)

BOOST BRAIN PERFORMANCE FOR BETTER GAMING: Take your game to the next level with Game On. This brain booster with caffeine improves your short-term memory for better gaming decisions, helps your brain focus under pressure, and keeps you energized all game long.
MESS-FREE & NO CHALKY TASTE: Say goodbye to sugary, carbonated energy drinks or messy energy powder. Our convenient sugar free capsules give you spill-proof energy so you can get back to laser-focused gaming. Elevating your game has never been easier.
USEFUL FOR WORK, GYM, OR STUDIES: Put your game face on and accomplish daily tasks with Game On. These brain supplements for memory and focus provide extra energy and support cognition so you can pump out another rep in the gym, finish the workday strong, or stay alert during a late-night study session.
VEGAN & NATURALLY SOURCED: All ingredients in this focus supplement are naturally and ethically sourced from around the world. Unlike most caffeine pills and energy supplements, Game On is vegan, gluten-free, and has no allergens, sugar, artificial flavors, colors, or preservatives.
POWER BACKED BY SCIENCE: Improve memory, focus, and concentration with our nootropics energy pills scientifically backed by 85 clinical trials. With ingredients like L Theanine, Caffeine, and Bacopa Monnieri, our brain supplement is proven to give a powerful brain boost under pressure.

Rank No. #12

Source Naturals Caffeine + L-Theanine, Energy and Focus Support from Green Tea* - 120 Tablets

COMBINED BENEFITS: Source Naturals Caffeine + L-Theanine delivers the energy benefits of caffeine with the calming benefits of L-theanine.
FOCUSED ENERGY: Clinical research has shown that caffeine and L-theanine have a synergistic effect on attention and accuracy.
MEMORY & FOCUS: Together support healthy focus and memory better than the use of each ingredient on its own.
NATURAL ENERGY FOR ALL: Suitable for vegans and vegetarians.
NO FILLERS: Contains no yeast, dairy, egg, gluten, corn, soy, wheat, sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

SaleRank No. #13

One-A-Day Brain Supplement – Brain Supplements for Memory and Focus Support, Concentration and Focus Support, Focus Supplement for Adults with L-theanine, Caffeine and Ginseng, 30 Capsules

Focus your mind: Designed to support attention, concentration, and focus - Active Focus supports a sharp mind for your daily grind. Conquer your to-do list and add some pep in your step when you need it during the day.
An active focus supplement crafted by experts: Our combination of Caffeine, L-Theanine and Ginseng provides support for attention, concentration, and focus in one convenient capsule.
Zero in: Focus your mind, when you need it. Whether you're at work, studying for an exam, or just need a mental pick-me-up, Active Focus contains a blend of ingredients to help support attention, concentration, and focus so that you can tackle your daily tasks.*
Take one a day: Getting in the zone is as simple as taking one capsule with water. Our focus supplement for adults is specially made with ingredients to promote focus and mental clarity.*
Clinically-proven and backed by science: Active Focus is backed by 23 ingredient clinical trials on caffeine and L-theanine demonstrating improvement in attention, concentration, and focus.*

Rank No. #14

Unived Natural Caffeine L-Theanine Capsules (200mg/100mg), for Energy & Focus, Nootropic, 60 Vegan Capsules

BALANCED ENERGY & FOCUS – 200mg of natural caffeine & 100mg of natural L-Theanine extracted from green tea, per capsule. Caffeine is proven as a brain stimulant that increases alertness, wakefulness, attention, working memory, and physical performance. L-Theanine is a natural nootropic known to support mental focus & healthy stress levels, as well as, promote relaxation.
CALM & CLEAN NOOTROPIC – Caffeine and L-Theanine capsules are a safe, convenient & economic alternative to sugary coffee and energy drinks to help you get through your work day or workout.
SYNERGISTIC ACTION – Caffeine and L-Theanine work together to balance each other’s mode of action providing calm focused energy without the caffeine crash.
ALL-NATURAL FORMULATION – Unived Natural Caffeine L-Theanine Capsules contain no fillers, dyes, preservatives, gluten, dairy, soy, sugar and unnecessary additives. The focus is to increase energy and focus during workouts.
SUITABLE FOR VEGANS & VEGETARIANS – Manufactured in a 100% vegan facility free of cross contamination and packed in 100% vegan capsules.

Rank No. #15

Pure and Essential Focus Comprehensive Nootropic, 200mg Caffeine, L-Theanine, Taurine, L-Tyrosine, B-Vitamins, Non-GMO, Brain Booster and Cognitive Performance, Fast Acting & Non Jittery, 60 Capsules

DESIGNED FOR OPTIMAL BRAIN FUNCTION: effective, fast-acting nutrient blend to provide a boost to concentration & mental energy when you need it most. A helping hand when studying, working out or generally feeling fatigued
NATURAL NOOTROPIC: expertly formulated by nutritionists & our resident doctor with balanced nutrient ratios. We combine 200mg caffeine with 200mg L-Theanine for a calm, relaxed focus without leaving you over-stimulated and jittery or unable to sleep
AMINO ACIDS FOR ENHANCED CREATIVE THINKING: 200mg dose of taurine, L-Theanine & L-Tyrosine for balanced neurotransmitters, alpha wave production & enhanced BDNF(brain-derived neurotrophic factor ) levels
BIOACTIVE B-VITAMINS & CHELATED MINERALS help boost mental sharpness /performance & support essential cognitive process
GMP manufactured in the UK; certified vegan; suitable for halal & kosher diets. Take 30-60 minutes before desired effects

Rank No. #16

OPTML Boost, 100mg Caffeine Pills with 200mg L-Theanine, Energy Pills for Mood Elevation and Sharper Focus, Blend of Caffeine Anhydrous and Tea Derived L-Theanine, No Crash, No Jitters, 120 Capsules

Boosts Alertness and Focus: Blending caffeine pills 100mg and L-Theanine 200mg amplifies the positive benefits of caffeine without the negative effects. This mix strikes the right balance of smooth energy and mental alertness.
Sustained Energy Levels: Our caffeine and l theanine pills are formulated to give you a consistent flow of energy throughout your day, so you can be in you tip-top shape. It delivers sharpness and a clear focus on a daily basis.
Improved Cognitive Performance: It provides a steady stream of energy without the jitters. Combined together, caffeine and theanine pills give you a performance edge by boosting mental clarity, improving concentration, and increasing productivity.
Fasting-Acting: Safe yet more potent than regular coffee, OPTML's l theanine and caffeine mix in capsule form works fast. Within a minimum of 15 minutes after taking, you will have the dose of energy needed to tackle the day.
Only Clean Ingredients: Like our other products, OPTML Boost has pure caffeine pills with l theanine. You will find NO fillers, sugars, or junk in our pills. Experience only clean, lasting energy and increased mental performance with OPTML.

Rank No. #17

Thrivous Surge - 100mg Caffeine Pills with 200mg L-Theanine and Ginseng - Caffeine Anhydrous with Zero Sugar - Jitter-Free Focused Energy - Natural Nootropic Supplement - 60 Capsules

Rank No. #18

THORNE Basic B-Complex - Tissue-Ready Vitamin B Complex Supplement with Choline - Supports Cellular Energy Production, Brain Health & Red Blood Cell Formation - Gluten-Free, Dairy-Free - 60 Capsules

Nervous System: Promotes an optimally functioning nervous system and healthy nerve cells
Cellular Energy: B vitamins promote cellular energy production
Complete Formula: An optimal balance of eight B vitamins, plus choline, in their active form to enhance absorption in the body
Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, soy, fish, or shellfish
Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams

Rank No. #19

Head Care Proactive Health Dietary Supplement from Excedrin - 110 Count and Head Care Replenish Plus Focus Drink Mix from Excedrin - 24 Packets Convenience Pack

One convenience pack of 110 tablets of Head Care Proactive Health Dietary Supplement and 24 packets of Head Care Replenish Plus Focus Drink Mix
Proactive Health head care dietary supplement product helps you support daily head health (1)
Head Care Replenish Plus Focus drink mix helps you feel your best after occasional head discomfort
Proactive Health product contains Magnesium, Riboflavin, Vitamin B6, Folic Acid and Vitamin B12
Head Care Replenish +Focus is a drink mix contains Caffeine, L-theanine, Electrolytes and Ginger

SaleRank No. #20

Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free

120 Capsules of L-Theanine Per Bottle
200mg L-Theanine Per Serving (120 Servings)
Easy To Take Capsules
Non-GMO, Gluten Free
Manufactured In a GMP Compliant, FDA Registered Facility

Last update on 2023-08-02 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What is theanine good for?

A: Theanine is well known for its soothing, relaxing effects, and has been found helpful as a non-prescription agent in treatment of depression and anxiety.

Q: What are the benefits of using L theanine?

A: L-Theanine Benefits. The most impressive l-theanine benefits include its ability to boost cognitive function, lower anxiety, promote healthy sleep, and minimize the symptoms of schizophrenia, among others.

Q: What are the symptoms of too much coffee?

A: Signs and symptoms you’ve had too much caffeine and are now dehydrated as a result include feeling light-headed, nauseous, weak or confused and experiencing dry mouth, lack of sweat and heart palpitations.

Q: Does L theanine contain caffeine?

A: L-Theanine is a major component of green tea and it has become very popular as a dietary supplement. When it is combined with caffeine, L-Theanine reaches its full potential and enhances the positive properties of caffeine. L-Theanine is an amino which is found naturally in mushrooms and tea leaves.