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L-Theanine & Caffeine

SR Sports Research
4.5
★ ★ ★ ★ ★
(4240 ratings)
Theanine 200 mg
Caffeine 100 mg
Product Image
Score 96

A premium L-Theanine and natural caffeine softgel, enhanced with MCTs for sustained focus and energy, offering excellent value and widespread positive feedback.

How scoring works
scaleQuantity:60 Softgel(s) • (60 servings)
track_changesGoals:
flag Energy
flag Mental Focus
flag Productivity Boost
flag Cognitive Support
flag Mood Support
flag Stress Relief
flag Brain Health
flag Weight Loss

leaderboard Score 96

A premium L-Theanine and natural caffeine softgel, enhanced with MCTs for sustained focus and energy, offering excellent value and widespread positive feedback.

How scoring works
$18.36($0.30 per serving)
Walmart
$ 18.36
Amazon
$ 22.95
iHerb
$ 22.97
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psychologyAnalysis

This product delivers a potent blend of 200mg L-Theanine, 100mg of PurCaf Caffeine (from green coffee), and 500mg of Medium Chain Triglycerides (MCTs) from coconut, all in a convenient softgel. The L-Theanine and caffeine work together to provide calm, focused energy, while MCTs are often included for additional sustained energy and cognitive support.

It's an excellent option for those who need a consistent boost in mental clarity, concentration, and energy throughout their day, without experiencing jitters or a crash. The softgel format can be appealing, and the inclusion of MCTs adds a unique benefit for brain fuel.

thumb_upPros
  • Contains the effective L-Theanine and Caffeine combination (2:1 ratio)
  • Includes PurCaf, a branded natural caffeine source (green coffee)
  • Fortified with MCTs from coconut for sustained energy and cognitive support
  • Softgel form may offer better absorption and user convenience
  • Highly competitive price and exceptional customer satisfaction
thumb_downCons
  • Caffeine content makes it unsuitable for evening use or for stimulant-sensitive individuals
  • Contains calories and fat from MCTs, which some users might monitor
  • Not for those seeking a single-ingredient L-Theanine product
warningWarnings
  • Avoid taking close to bedtime to prevent sleep disturbances due to caffeine.
  • Individuals sensitive to caffeine or MCTs should start with a half dose to assess tolerance.
  • Consult a healthcare professional if you have underlying heart conditions or high blood pressure.
scienceNutrient quality
92 Highest impact

The blend is exceptionally well-formulated, combining effective doses of L-Theanine and branded PurCaf Caffeine with the added benefit of MCTs. This thoughtful combination aims for comprehensive cognitive and energy support.

visibilityIngredient transparency
90 Highest impact

All active ingredients, including branded PurCaf Caffeine and the source of MCTs, are clearly listed with their exact dosages. This high level of transparency is commendable.

workspace_premiumValue for money
90 Highest impact

This product delivers exceptional value for money, providing a sophisticated blend of high-quality ingredients for focus and energy at a very accessible price point. It's a premium offering without a premium cost.

thumb_upCustomer satisfaction
90 Highest impact

With over 4,200 reviews, this product demonstrates outstanding customer satisfaction. The widespread positive feedback confirms its effectiveness and popularity among a large user base.

storefrontBrand
85 Highest impact

SR Sports Research is a well-regarded brand with a strong presence in the health and fitness community. Their reputation for quality products contributes to consumer trust.

flagReport analysis
track_changesGoals
flagEnergy
Impact
Highest effect
This product is highly effective for energy, combining the direct stimulating effect of caffeine with L-Theanine for smooth, sustained alertness and MCTs for additional metabolic support. It offers a comprehensive energy solution.
View goal →
flagMental Focus
Impact
Highest effect
This combination excels at promoting mental focus. Caffeine provides an immediate boost, L-Theanine refines and sustains that focus, and MCTs can support clear thinking, leading to heightened concentration.
View goal →
flagProductivity Boost
Impact
Highest effect
This product is extremely effective for boosting productivity, providing sustained energy, enhanced mental focus, and reduced distractions. It supports efficient task completion over extended periods.
View goal →
flagCognitive Support
Impact
Highest effect
The synergistic blend of L-Theanine, caffeine, and MCTs works well for cognitive support, enhancing alertness, attention, and potentially mental processing. MCTs can offer an alternative brain fuel.
View goal →
flagMood Support
Impact
Highest effect
L-Theanine helps to smooth the effects of caffeine, which can contribute to a more balanced and positive mood. It helps prevent irritability that sometimes comes with stimulants.
View goal →
flagStress Relief
Impact
High effect
While it contains caffeine, L-Theanine's presence helps to mitigate potential stress or jitteriness often associated with stimulants. It fosters a more calm and controlled energetic state.
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flagBrain Health
Impact
High effect
By consistently supporting cognitive performance, alertness, and providing MCTs as brain fuel, this product indirectly contributes to an optimized environment for brain function. It helps maintain acute mental sharpness.
View goal →
flagWeight Loss
Impact
Lower effect
Caffeine can have a minor impact on metabolism, and MCTs are sometimes used in ketogenic contexts. However, this product is not primarily formulated for weight loss, and any effects would be secondary.
View goal →
flagSleep Support
Impact
Situational effect
With its significant caffeine content, this product is designed for wakefulness and energy, making it unsuitable for sleep support. It should be avoided in the evenings.
View goal →
scienceIngredients
IngredientAmount per serving
Calories
5 Calorie(s)
Total Fat
0.5 Gram(s)
Medium Chain Triglycerides
500 mg
L-Theanine
200 mg
PurCaf Caffeine
100 mg
grain_off Gluten Free person Adults 18–50
flagReport overview
Theanine 90
Featuring 200mg of L-Theanine in a well-balanced formula with caffeine and MCTs, this product showcases a superior application of Theanine for synergistic benefits. It's a strong performer in the Theanine collection.
scienceView ingredientinventory_2View products
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