DAVINCI Labs L-Theanine 200 mg - 30 Vegetarian Capsules
DAVINCI Labs L-Theanine 200 mg - 30 Vegetarian Capsules
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DAVINCI Labs L-Theanine 200 mg - 30 Vegetarian Capsules
What Is L-Theanine?
If you're after a natural way to support calm focus without drowsiness, L-Theanine might be just what you need. L-Theanine is a naturally occurring amino acid primarily found in green tea leaves (Camellia sinensis). Unlike many amino acids, it is not used to build proteins but instead influences brain function. Known for its unique ability to promote relaxation without sedation, L-Theanine has become a popular dietary supplement for those seeking calm focus. DAVINCI Labs L-Theanine provides 200 mg of this compound per serve in a convenient vegetarian capsule. Each capsule contains Suntheanine, a patented form of L-theanine known for its purity and consistency.
How L-Theanine Works in the Body
L-Theanine's effects are primarily mediated through its influence on brain chemistry. It increases levels of neurotransmitters such as GABA, serotonin, and dopamine, which are associated with relaxation, mood, and pleasure. Additionally, L-Theanine promotes alpha brain wave activity, which is linked to a state of relaxed alertness similar to that achieved during meditation. This unique mechanism allows L-Theanine to reduce stress without impairing cognitive performance. By modulating the excitatory neurotransmitter glutamate, L-Theanine helps balance brain activity, supporting focus and calm simultaneously. This dual action makes it a versatile supplement for both daytime concentration and evening wind-down.
Key Benefits of L-Theanine Supplements
L-Theanine is widely recognised for its role in supporting a calm yet alert state of mind. By promoting the production of alpha brain waves — the same waves associated with meditation and deep relaxation — L-Theanine may help improve concentration and focus.* The supplement is often used to help manage everyday stress and irritability, supporting a more balanced mood. Additionally, some research suggests L-Theanine may contribute to better sleep quality by reducing the time it takes to fall asleep and improving sleep efficiency, without the grogginess often associated with sleep aids. For those seeking an edge in mental performance, L-Theanine may also support learning and cognitive function, making it a valuable tool for students, professionals, and anyone needing to stay sharp throughout the day. The effects are subtle yet impactful, allowing users to experience a sense of centred calm while maintaining productivity.
Who Should Consider L-Theanine?
L-Theanine is a versatile supplement suitable for a wide range of individuals. Adults dealing with stress from work or daily life may find it helpful for maintaining a sense of calm without drowsiness. Students and professionals looking to enhance concentration and focus during demanding tasks may benefit from its alpha wave stimulation. Those with occasional sleep difficulties might use L-Theanine to promote relaxation before bed. Additionally, individuals who experience irritability or mood swings may find L-Theanine supports emotional balance. As with any supplement, it is advisable to consult a health care provider before starting, especially for those who are pregnant, nursing, or taking medication. Athletes and creatives also report using L-Theanine to enter a flow state where focus and relaxation coexist.
How to Choose the Best L-Theanine Supplement
When selecting an L-Theanine supplement, several factors insure you get a high-quality product. First, consider the dosage: 200 mg is a common and effective serving size supported by research. Look for the form of L-Theanine; Suntheanine is a well-studied, patented form that guarantees purity and bioavailability. Check the capsule type — vegetarian capsules are ideal for those with dietary restrictions. Third-party testing and a commitment to truth in labelling add confidence. DAVINCI Labs ensures their L-Theanine contains only the purest ingredients without unnecessary fillers or additives. Additionally, consider the brand's reputation and manufacturing standards. Reading the labelled for any allergens or certifications, such as non-GM or Gluten Free, can further refine your choice. Transparency in sourcing and production is key to finding a reliable supplement.
Top Ingredients and Quality Standards
DAVINCI Labs L-Theanine features Suntheanine as the sole active ingredient. Suntheanine is a premium, fermented form of L-Theanine that is chemically identical to the compound found in green tea. It is produced through a patented process that ensures high purity and consistency. The 200 mg per capsule is delivered in a vegetarian capsule made from plant-based materials. Each batch is tested for potency and purity, reflecting DAVINCI Labs' commitment to 'Truth In Labelling' — a philosophy that guarantees the product contains exactly what is stated on the labelled, with no hidden excipients. This focus on quality makes it a reliable choice for those serious about supplementation. The capsules are also free from common allergens like gluten, soy, and dairy, as confirmed by the manufacturer.
Frequently Asked Questions About L-Theanine
Is L-Theanine safe for daily use? L-Theanine is generally recognised as safe (GRAS) when used as directed. Most studies show no significant side effects at doses up to 400 mg per day. However, consult your health care provider for personalised advice.
Can L-Theanine help with anxiety? Many users report a calming effect. L-Theanine may support a relaxed state without causing drowsiness, which can be beneficial for managing occasional stress. It is not intended to treat anxiety disorders.
How should I take L-Theanine for sleep? For sleep support, take one capsule 30–60 minutes before bedtime. Pairing it with a consistent wind-down routine may enhance its effect.
Does L-Theanine interact with medications? L-Theanine may interact with stimulants or blood pressure medications. Always discuss with your doctor if you are on any prescription drugs.
Why Choose DAVINCI Labs L-Theanine?
DAVINCI Labs is committed to purity and transparency. Their L-Theanine supplement uses Suntheanine, the most researched form of L-theanine, ensuring you receive a consistent, high-quality dose. The vegetarian capsules are suitable for a variety of dietary preferences. With a focus on 'Truth In Labelling,' you can trust that what's on the bottle matches what's inside. Each batch undergoes rigorous testing to guarantee potency and purity, free from contaminants. For those seeking a reliable L-Theanine supplement to support focus, relaxation, and stress management, DAVINCI Labs delivers a product backed by quality standards.
*These statements have not been evaluated by the Therapeutic Goods Administration (TGA). This product is not intended to diagnose, treat, or prevent any disease. Always read the labelled and follow directions for use.
Worldwide Delivery
Worldwide Delivery
Vitamins4Australia offers free shipping to Australia & the US on every order, with no minimum spend required. Most orders are delivered within 2–7 business days after dispatch, and tracking details are sent by email once the order leaves fulfilment.
Returns and support
Returns and support
Vitamins4Australia offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.
How to choose
How to choose
Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any food supplement.
Ingredients and important information
Ingredients and important information
Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

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Free standard deliveryUsually 2–7 business days to Australia, after 1–3 days to prepare
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30-day returnsOn unopened items in original packaging
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Secure checkoutProcessed by Shopify with major cards accepted
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Real supportEmail or phone, answered by our team
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DAVINCI Labs L-Theanine 200 mg - 30 Vegetarian Capsules at Vitamins4Australia
What Is L-Theanine?If you're after a natural way to support calm focus without drowsiness, L-Theanine might be just what you need. L-Theanine is a naturally occurring amino acid primarily found in green tea leaves (Ca...
How to choose if this supplement fits your routine
Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.
Questions about DAVINCI Labs L-Theanine 200 mg - 30 Vegetarian Capsules
Is DAVINCI Labs L-Theanine 200 mg - 30 Vegetarian Capsules available worldwide?
Yes. This product is currently available on Vitamins4Australia with free shipping to Australia & the US.
How should I compare this with similar supplements?
Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.
Where can I find delivery and returns information?
Delivery information is shown near the add to cart area. Returns guidance is available on the product page and full terms are covered in the store returns policy.
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