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20 Best Powder City Caffeine And Theanine Capsules of 2023 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best Powder City Caffeine And Theanine Capsules of 2023. Check our ranking below.
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- 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.
- 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.
- Maximize your Potential: Enhance your active lifestyle with our Caffeine 100mg capsules, or Caffeine pills, designed to support your strength and performance goals. Each serving delivers a substantial 100mg of Caffeine dose per capsule, catering to both fitness enthusiasts looking to push their limits.
- Versatility for all Lifestyles: Whether you're an athlete, a sprinter, or someone simply looking to stay active, our Caffeine supplements, in Caffeine 100mg, fit seamlessly into your regimen, adaptable to a wide range of dietary needs and preferences.
- Optimized Servings: With 1 capsule per serving, our Caffeine capsules, in Caffeine pills 100mg, are structured to provide both ease of use and the ability to precisely manage intake, tailoring to individual preferences and schedules.
- Transparent and Trustworthy: Experience the confidence that comes with choosing a supplement that not only meets rigorous third-party testing but also upholds the principles of clarity and integrity in its formulation and production.
- Commitment to Excellence: Produced in a facility compliant with strict cGMP standards, our Caffeine 100mg capsules stands as a testament to our dedication to quality. You can trust in our product's consistency and excellence, batch after batch.
- 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 2025-08-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Powder City Caffeine And Theanine Capsules.
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FAQ:
Q: What are caffeine L-theanine capsules?
A: In addition to this, these Caffeine L-theanine capsules contain 200 mg of a unique amino acid found in green tea called L-Theanine. In Japan, L-Theanine is highly regarded for its ability to support healthy stress levels and in the Western world, L-Theanine is now highly regarded for its ability to work synergistically with caffeine.
Q: Is L-theanine safe to take?
A: L-theanine is approved as generally regarded as safe (GRAS) by the Food and Drug Administration (FDA) [8]. In addition, the FDA has suggested that the daily amount of L-theanine should not exceed 1200mg. Coming soon… Jackson Williams, Jane Kellett, Paul Daniel Roach, Andrew McKune, Duane Mellor, Jasckson Thomas and Nenad Naumovski, 2016.
Q: Can L-theanine and caffeine improve attention?
A: Research has consistently used L-theanine and caffeine in low, moderate and high doses. In this manner, it has been shown that 100mg L-theanine stacked with 50mg caffeine has positive outcomes on attention [15]. L-theanine is approved as generally regarded as safe (GRAS) by the Food and Drug Administration (FDA) [8].
Q: Does L-theanine help with depression?
A: In a more recent study assessing the effect of L-theanine on patients with depression, L-theanine – in a 250mg/day dose administered over 8 weeks – showed a beneficial outcome in depressive symptoms: anxiety, sleep disturbance and cognitive impairment in all patients [9].