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The Best Caffeine L Theanine Pills of 2023 – Reviewed and Top Rated
2,537 Reviews Scanned
- 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.
- BETTER TOGETHER: Sports Research L-theanine and Caffeine offer 2-in-1 support by boosting mental focus and alertness while promoting wakefulness. This nootropic stack enhances both cognitive and physical productivity, making it ideal for studying, gaming, or exercising.
- CLEAN ENERGY: Just one (1) liquid softgel provides 200mg of L-theanine with 100mg of organic Caffeine + coconut MCT oil for a convenient & economical alternative to sugary energy drinks and coffee.
- TRADEMARK INGREDIENTS: Formulate with Alphawave - a highly purified and standardized brand of L-theanine and PurCaf Caffeine from organic green coffee beans.
- QUALITY TESTED: We hold all of our supplements to a higher standard. Rest assured that your L-Theanine + Caffeine softgels are crafted using non-GMO ingredients with no fillers, gluten, or seed oils. Manufactured in the USA in a cGMP-compliant facility.
- THE SPORT OF LIFE: 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.
- Feel Sharp, Calm, and Energized — Without the Crash. Smarter Caffeine + L-Theanine gives you clean, focused energy and heightened mental clarity—without the jitters, tingles, or crash of coffee and energy drinks. It's a smarter nootropic stack designed for peak performance and sustained focus.
- Natural Energy, Laser Focus — For Him & Her. Powered by MCT Oil from 100% pure coconuts, these clean energy pills fuel your brain and body with steady focus, alertness, and clarity. L-Theanine balances the buzz so you stay calm, sharp, and in control.
- Softgels That Work Smarter, Faster. Our berry-flavored softgels absorb better than traditional tablets and capsules—making them ideal as a pre-workout boost or anytime brain enhancer. Smarter delivery, better results.
- Made in the USA — Without the Junk. No fillers. No artificial junk. No shady additives. Just clean, effective ingredients with zero magnesium stearate, dioxides, maltodextrin, soy, dairy, corn, nuts, preservatives, or carrageenan.
- Better Supplements, Built With Purpose. We don’t just make supplements—we obsess over every detail. Smarter Vitamins are crafted to be cleaner, more effective, and accessible for anyone ready to feel better, think clearer, and live stronger—without overpaying.
- Boosts Energy & Mental Focus*
- Sports Nutrition Endurance & Energy
- Non-GMO & Gluten Free
- Free of sugar, starch, sodium, soy, yeast, corn, wheat, egg, artificial color, flavor & preservatives.
- Made in a the USA GMP Compliant, FDA Registered Facility
- 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.
Last update on 2025-07-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
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.
Q: What is the best caffeine pills?
A: The best pills to begin taking, and certainly the safest, have 200mg or less of Guarana Seed Extract. Guarana is a natural source of caffeine, often used in caffeine pills and certain weight loss supplements.
Q: What do you need to know about L-theanine?
A: L-theanine is an amino acid found most commonly in tea leaves and in small amounts in Bay Bolete mushrooms. It can be found in both green and black tea. It’s also available in pill or tablet form at many drugstores. Research indicates that L-theanine promotes relaxation without drowsiness. Many people take L-theanine to help ease stress and unwind .
Q: Is it OK to take caffeine pills?
A: When taken as directed, caffeine pills conveniently provide the benefits of caffeine. They’re safe for most people to take, but can be harmful if taken in high doses. Certain people may also need to watch and limit their caffeine intake.