



L-Theanine, Premier
Premier Research Labs L-Theanine, Premier
Premier L-Theanine – Promotes Calm, Focus, and Mental ClarityÂ
Premier L-Theanine provides evidence-based, high-potency support for calm focus and balanced mental clarity. Each vegan-friendly capsule delivers 200 mg of L-theanine, a standardized and stabilized active constituent, carefully processed to ensure consistent efficacy. Backed by clinical research, this supplement promotes relaxation, mental clarity, and focus without drowsiness or overstimulation.
Key Features:Â
- Supports a calm and relaxed mood while enhancing mental clarity and focus
- May improve concentration, cognition, and sustained attention during demanding routines
- Encourages healthy sleep patterns without causing fatigue or overstimulation
- Clean-label, excipient-free formulation designed for safe, effective supportÂ
Ingredients
| Serving Size: 1 Capsule | Amount/Serving |
| L-Theanine | 200 mg |
Other Ingredients: Organic Rice Concentrate, Plant Source Capsules (Cellulose, Water), Organic Rice Bran.Â
Manufactured to Avoid: Added magnesium stearate (an undesirable excipient), artificial colors, artificial flavors, or artificial preservatives.Â
Suggested Use
Adults: Take 1 capsule of Premier L-Theanine, 1-2 times daily with meals, or as directed by your healthcare professional.Â
Adolescents (Ages 12-18): Take 1 capsule of Premier L-Theanine daily with meals or as directed by a healthcare practitioner.Â
Warning: If pregnant, lactating, taking medications, or managing a medical condition (such as low blood pressure), consult your healthcare professional before use. L-Theanine may interact with sedatives or blood pressure medications. Use only if the seal is intact.
Storage: Store in a cool, dry place.
More Info.Â
WARNING: Using this product can expose you to chemicals known to the State of California to cause reproductive harm. For more information, go to www.P65Warnings.ca.gov.Â
Why Choose Premier L-Theanine?Â
Clinically Relevant Dosing: Delivers 200 mg of L-theanine per capsule, the precise amount used in clinical studies for safe and effective support.
Clean Label Commitment: No non-nutritive ingredients, fillers, binders, or synthetic excipients—just targeted support.Â
3rd Party Tested: Ensuring purity, potency, and consistent efficacy.Â
Vegan-Friendly: Non-GMO, gluten-free, soy-free, and manufactured in a GMP-certified facility.Â
Caffeine Synergy: Smooths caffeine peaks for sustained, focused energy without jitters.
L-Theanine’s Mechanism of ActionÂ
L-theanine supports alpha brain wave activity, promoting a calm yet attentive mental state. By influencing neurotransmitters like glutamate, GABA, and serotonin, L-theanine helps maintain focus and clarity while managing stress. It also interacts with NMDA receptors to support calm focus without overstimulation.
Product Pairings for Comprehensive CNS SupportÂ
For a complete approach to stress relief and relaxation, pair Premier L-Theanine with Tranquinol®, which features Suntheanine®, Affron®, magnesium malate, and synergistic botanicals for more comprehensive CNS support.
Original: $25.14
-70%$25.14
$7.54Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Premier Research Labs L-Theanine, Premier
Premier L-Theanine – Promotes Calm, Focus, and Mental ClarityÂ
Premier L-Theanine provides evidence-based, high-potency support for calm focus and balanced mental clarity. Each vegan-friendly capsule delivers 200 mg of L-theanine, a standardized and stabilized active constituent, carefully processed to ensure consistent efficacy. Backed by clinical research, this supplement promotes relaxation, mental clarity, and focus without drowsiness or overstimulation.
Key Features:Â
- Supports a calm and relaxed mood while enhancing mental clarity and focus
- May improve concentration, cognition, and sustained attention during demanding routines
- Encourages healthy sleep patterns without causing fatigue or overstimulation
- Clean-label, excipient-free formulation designed for safe, effective supportÂ
Ingredients
| Serving Size: 1 Capsule | Amount/Serving |
| L-Theanine | 200 mg |
Other Ingredients: Organic Rice Concentrate, Plant Source Capsules (Cellulose, Water), Organic Rice Bran.Â
Manufactured to Avoid: Added magnesium stearate (an undesirable excipient), artificial colors, artificial flavors, or artificial preservatives.Â
Suggested Use
Adults: Take 1 capsule of Premier L-Theanine, 1-2 times daily with meals, or as directed by your healthcare professional.Â
Adolescents (Ages 12-18): Take 1 capsule of Premier L-Theanine daily with meals or as directed by a healthcare practitioner.Â
Warning: If pregnant, lactating, taking medications, or managing a medical condition (such as low blood pressure), consult your healthcare professional before use. L-Theanine may interact with sedatives or blood pressure medications. Use only if the seal is intact.
Storage: Store in a cool, dry place.
More Info.Â
WARNING: Using this product can expose you to chemicals known to the State of California to cause reproductive harm. For more information, go to www.P65Warnings.ca.gov.Â
Why Choose Premier L-Theanine?Â
Clinically Relevant Dosing: Delivers 200 mg of L-theanine per capsule, the precise amount used in clinical studies for safe and effective support.
Clean Label Commitment: No non-nutritive ingredients, fillers, binders, or synthetic excipients—just targeted support.Â
3rd Party Tested: Ensuring purity, potency, and consistent efficacy.Â
Vegan-Friendly: Non-GMO, gluten-free, soy-free, and manufactured in a GMP-certified facility.Â
Caffeine Synergy: Smooths caffeine peaks for sustained, focused energy without jitters.
L-Theanine’s Mechanism of ActionÂ
L-theanine supports alpha brain wave activity, promoting a calm yet attentive mental state. By influencing neurotransmitters like glutamate, GABA, and serotonin, L-theanine helps maintain focus and clarity while managing stress. It also interacts with NMDA receptors to support calm focus without overstimulation.
Product Pairings for Comprehensive CNS SupportÂ
For a complete approach to stress relief and relaxation, pair Premier L-Theanine with Tranquinol®, which features Suntheanine®, Affron®, magnesium malate, and synergistic botanicals for more comprehensive CNS support.























