L-Theanine & Caffeine
SR Sports Research
L-Theanine & Caffeine
4.4
★ ★ ★ ★ ★
(3020 ratings)
Theanine 200 mg
Caffeine 100 mg
Score 93.0
A superior L-Theanine and Caffeine blend (2:1 ratio) enhanced with MCTs for smooth, sustained energy, heightened focus, and added brain fuel.
Quantity: 60 Softgel(s)Servings size: 1 Liquid Softgel(s) (60 servings)
Selected goals:
Other goals:
Stress Relief
Mental Focus
Brain Health
Mood Support
Sleep Support
leaderboard Score 93.0
A superior L-Theanine and Caffeine blend (2:1 ratio) enhanced with MCTs for smooth, sustained energy, heightened focus, and added brain fuel.
insights Analysis
This product is a refined take on the popular L-Theanine and Caffeine stack, featuring 200mg L-Theanine and 100mg PurCaf Caffeine (from green coffee), which maintains the ideal 2:1 ratio for balanced energy and focus. The notable addition is 500mg of Medium Chain Triglycerides (MCTs) derived from coconut. MCTs are readily converted into ketones by the body, serving as an efficient fuel source for both the brain and muscles, potentially enhancing the product's cognitive and energy benefits. Online reviews consistently praise its ability to deliver clean energy, sharp focus, and a reduction in caffeine-related side effects. The inclusion of MCTs sets it apart, offering a slight advantage for those looking for an extra cognitive boost or dietary fat support.
- Optimal 2:1 L-Theanine to caffeine ratio ensures smooth energy and focused concentration, minimizing jitters.
- Includes MCTs for additional cognitive benefits and readily available energy support.
- Caffeine is sourced from PurCaf (green coffee), a preferred natural form.
- Softgel form may offer faster absorption and is easy to consume.
- Higher price per serving compared to basic L-Theanine and Caffeine blends.
- MCTs may cause mild digestive discomfort in some sensitive individuals, especially if taken on an empty stomach.
- As it contains caffeine, it is not suitable for promoting sleep, especially if taken late in the day.
- Contains caffeine; avoid consumption close to bedtime to prevent sleep disturbances.
- Individuals sensitive to MCTs may experience mild digestive upset; start with a lower dose if new to MCTs.
- Not recommended for pregnant or nursing individuals.
$21.95($0.36 per serving)
 Amazon | $ 21.95 | |
 iHerb | $ 22.97 | |
 Walmart | $ 24.45 |
bolt Effectiveness for goals
Yes, L-Theanine is commonly used to smooth out the stimulating effects of caffeine. It can significantly reduce the perceived anxiety, nervousness, and jitters that some individuals experience from caffeine. This interaction helps achieve a more balanced stimulant effect.
The combination of L-Theanine and caffeine is often reported to enhance cognitive performance more effectively than caffeine alone. L-Theanine can synergistically improve attention and reaction time, while counteracting some of caffeine's potential negative effects. This leads to a state of focused alertness.
The combination of L-Theanine and caffeine is often studied for its synergistic effects, where L-Theanine may mitigate some of the negative side effects of caffeine, such as jitters and anxiety, while enhancing its cognitive benefits. This combination can lead to improved alertness, focus, and attention without increased perceived stress. Theanine's calming effect can smooth out the stimulatory effects of caffeine.
When combined, L-Theanine can help to refine the focus provided by caffeine, leading to sustained attention without overstimulation. It helps to maintain a state of calm alertness, allowing for better concentration on tasks. This combination is often favored for productivity.
Caffeine primarily functions as a central nervous system stimulant, blocking adenosine to promote wakefulness. Many studies show it can significantly increase alertness and decrease feelings of fatigue. Its effects typically become noticeable within 15-60 minutes after consumption.
schedule Dosage, timing & forms
For most healthy adults, a daily caffeine intake up to 400 mg is generally considered safe and not associated with adverse effects. However, pregnant women, individuals with certain health conditions, or those sensitive to caffeine may need to consume less. This guideline helps prevent potential negative impacts.
A typical single dose of caffeine for an energy boost ranges from 50 to 200 mg. Individual tolerance varies significantly, so starting with a lower dose is often recommended. High doses can lead to adverse effects.
A commonly studied and used ratio for combining L-Theanine and caffeine is 2:1, meaning 200 mg of L-Theanine for every 100 mg of caffeine. This ratio is often cited as effective for achieving enhanced focus and alertness with reduced side effects. However, individual preferences and sensitivities may vary.
Common doses of L-Theanine for promoting relaxation and focus range from 100 to 200 mg, taken as needed. Some studies use doses up to 400 mg in a single serving. Individual responses can vary.
Caffeine's effects usually begin within 30-60 minutes and can last for several hours. To maximize alertness during the day, it's often consumed in the morning or early afternoon. Avoid taking it too close to bedtime to prevent sleep disruption.
health_and_safety Safety & interactions
Yes, caffeine and L-Theanine are often consumed together, and studies suggest they interact synergistically. L-Theanine is thought to modulate some of caffeine's stimulating effects, potentially leading to a "calm alertness." This interaction is generally considered beneficial for cognitive performance and mood.
Moderate caffeine intake is generally considered safe for most pregnant or breastfeeding individuals, but limits are often recommended. High intake may be associated with certain risks. It's best to discuss caffeine consumption with a doctor during these periods.
Common side effects include nervousness, restlessness, insomnia, increased heart rate, and stomach upset. These effects are often dose-dependent and vary among individuals. Sensitive individuals may experience these symptoms even at lower doses.
High doses of caffeine can lead to various side effects including nervousness, restlessness, insomnia, increased heart rate, and gastrointestinal upset. In sensitive individuals or with very high intake, it can also cause anxiety, tremors, and headaches. Regular high consumption can lead to physical dependence and withdrawal symptoms upon cessation.
Signs of excessive caffeine intake, sometimes called "caffeine intoxication," include anxiety, tremors, rapid heart rate, stomach pain, and difficulty sleeping. In severe cases, it can lead to more serious symptoms. Individual sensitivity plays a role in these reactions.
Ingredients
| Ingredient | Amount 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 |
Categories
Theanine 95.0
With 200mg of L-Theanine per 100mg caffeine, this product provides an optimal ratio to promote calm focus and counteract potential caffeine side effects effectively.
Caffeine 88.0
The 100mg of PurCaf Caffeine offers a balanced and effective stimulant dose, which is harmonized by L-Theanine for a smooth energy experience.
Goals
Mental Focus 98.0
The synergistic L-Theanine and caffeine effect is further enhanced by MCTs, which provide readily available brain fuel, leading to superior mental clarity, sustained attention, and cognitive performance.
Productivity Boost 95.0
By delivering sustained energy, sharp focus, and additional cognitive fuel from MCTs, this product is highly effective in enhancing overall productivity and mental output for demanding tasks.
Energy 90.0
Provides a clean and sustained energy boost from 100mg PurCaf caffeine, with MCTs contributing additional quick-release fuel for both physical and mental activities.
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