L-Theanine 150 mg
Doctor's Best
L-Theanine 150 mg
4.6
★ ★ ★ ★ ★
(7636 ratings)
Theanine 150 mg
Score 88.0
A reliable, mid-dose L-Theanine supplement from a trusted brand, offering good value.
Quantity: 90 Veggie Cap(s)Servings size: 1 Veggie Capsule(s) (90 servings)
Selected goals:
Other goals:
Stress Relief
Mental Focus
Brain Health
Mood Support
Sleep Support
leaderboard Score 88.0
A reliable, mid-dose L-Theanine supplement from a trusted brand, offering good value.
insights Analysis
The 150mg dose of L-Theanine is a good compromise between 100mg (for milder effects) and 200mg (for stronger effects), providing flexibility for users to adjust based on their needs. Doctor's Best is a trusted name in the supplement industry, often praised for its quality control and transparency. Online reviews consistently highlight its effectiveness for promoting calm without drowsiness, and nutritionists generally consider 150mg an effective daily dose.
- Contains 150mg of L-Theanine, a versatile and effective mid-range dose.
- From Doctor's Best, a reputable brand known for quality and scientific backing.
- Competitive price per serving ($0.22), offering good value for a pure L-Theanine product.
- 90 servings provide a good supply duration.
- Does not use patented forms like Suntheanine or AlphaWave, which some consumers prefer.
- May not be strong enough for individuals requiring higher L-Theanine doses (e.g., 200mg+).
- No significant warnings specific to L-Theanine when taken at recommended doses.
$18.99($0.21 per serving)
 Amazon | $ 18.99 | |
 iHerb | $ 20.21 | |
 Vitacost | $ 21.79 | |
 Walmart | $ 22.57 | |
 Pure Formulas | $ 23.44 |
bolt Effectiveness for goals
L-Theanine is an amino acid often used to promote relaxation without causing drowsiness. It is also frequently taken to support focus and attention. Some individuals use it to help manage stress and improve mood.
Research suggests that L-Theanine may help reduce feelings of stress and anxiety in some individuals. It is thought to do this by promoting alpha brain wave activity, which is associated with a relaxed but alert mental state. This effect can contribute to a sense of calm.
L-Theanine does not typically act as a sedative, but it may improve sleep quality by promoting relaxation and reducing anxiety, which can make it easier to fall asleep. By calming the mind, it might allow for a more restful sleep experience. Some studies indicate it can help people fall asleep faster and stay asleep longer.
L-Theanine can enhance cognitive function, particularly when combined with caffeine, by improving alertness and attention. It is believed to support mental clarity and focus without the jitteriness sometimes associated with stimulants alone. It may also help reduce task-induced distractions.
Combining L-Theanine with caffeine is often done to enhance cognitive performance and reduce caffeine's potential side effects like jitters and anxiety. L-Theanine can help smooth out the stimulating effects of caffeine, promoting a state of calm focus. This combination is popular for improving alertness and attention.
schedule Dosage, timing & forms
Common dosages for L-Theanine typically range from 100 mg to 400 mg per day. Some individuals may start with lower doses to assess their response. Dosages can vary based on the desired effect, such as relaxation or focus.
When combining L-Theanine with caffeine for enhanced focus and reduced jitters, a common ratio is 1:1 or 2:1 L-Theanine to caffeine. For example, 100-200 mg of L-Theanine might be paired with 100 mg of caffeine. This combination is designed to balance caffeine's stimulatory effects with L-Theanine's calming properties.
For relaxation or sleep support, L-Theanine is often taken 30-60 minutes before a stressful event or before bedtime. It can help promote a state of calm without causing drowsiness. Its effects typically appear within 30 minutes to an hour.
Yes, L-Theanine is often taken in the morning or throughout the day to support focus and cognitive performance, especially when combined with caffeine. It can help promote a state of calm alertness. This combination is frequently found in green tea.
L-Theanine can typically be taken once or twice daily, depending on individual needs and desired effects. Some individuals may choose to take it as needed. It's generally well-tolerated for regular use within recommended dosages.
health_and_safety Safety & interactions
Yes, L-Theanine is often taken with caffeine as they are believed to have complementary effects. L-Theanine may help to reduce some of the jitteriness or anxiety associated with caffeine while maintaining alertness. Many studies investigate this specific combination.
L-Theanine is generally well-tolerated. Some individuals might experience mild side effects such as drowsiness, dizziness, or headache, especially at higher doses. These effects are usually temporary and not severe.
Common dosages in studies range from 100 mg to 400 mg per day, often split into multiple doses. However, individual responses can vary. Always follow product label instructions or consult a healthcare professional for personalized dosage recommendations.
L-Theanine may have a calming effect and could potentially enhance the effects of sedative or anti-anxiety medications. This combination might lead to increased drowsiness or sedation. It is important to discuss this with a healthcare provider before combining them.
L-Theanine may potentially lower blood pressure in some individuals. Therefore, caution is advised for those taking medications for high blood pressure, as combining them might lead to an excessive drop in blood pressure. It is advisable to consult a healthcare professional.
Ingredients
| Ingredient | Amount per serving |
|---|---|
L-Theanine | 150 mg |
Categories
Theanine 88.0
This product is a strong contender in the Theanine collection, offering a well-dosed, pure L-Theanine from a trusted brand at a competitive price, making it a very reliable choice.
Goals
Stress Relief 88.0
The 150mg L-Theanine dose is effective for promoting relaxation and noticeably reducing feelings of stress and anxiety, as supported by user experiences.
Mental Focus 87.0
L-Theanine helps increase alpha brain wave activity at this dose, enhancing attention and contributing to a state of relaxed alertness and improved concentration.
Mood Support 87.0
By influencing key neurotransmitters, L-Theanine at this dose supports a more balanced mood and can foster a greater sense of well-being.
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