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XYMOGEN L-Theanine – 400 mg as Suntheanine – Relaxation, Focus & Stress Support – Amino Acid Supplement – Non-Drowsy – Vegetarian, Non-GMO & Gluten-Free – 60 Capsules

XYMOGEN L-Theanine – 400 mg as Suntheanine – Relaxation, Focus & Stress Support – Amino Acid Supplement – Non-Drowsy – Vegetarian, Non-GMO & Gluten-Free – 60 Capsules

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XYMOGEN L-Theanine – 400 mg as Suntheanine – Relaxation, Focus & Stress Support – Amino Acid Supplement – Non-Drowsy – Vegetarian, Non-GMO & Gluten-Free – 60 Capsules

Regular price £69.88
Sale price £69.88 Regular price
Save % Sold out
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Why XYMOGEN L-Theanine Stands Out

XYMOGEN is renowned for its evidence-based approach to nutrition. This L-theanine supplement utilises Suntheanine, a premium, extensively researched form of L-theanine prized for its consistent purity and bioavailability. Each capsule provides 400 mg of Suntheanine, delivering a reliable dose for those seeking calm and focused support. The inclusion of medium-chain triglyceride (MCT) oil and ascorbyl palmitate may enhance stability and absorption, ensuring you get the most from every capsule.

Quality and purity are paramount. This product is manufactured free from gluten, GMOs, dairy, soya, corn, peanuts, egg and shellfish, and is rigorously tested for potency and contaminants. XYMOGEN champions integrative health, empowering both individuals and health care professionals with trustworthy supplements.

Understanding L-Theanine and Suntheanine

L-theanine is a naturally occurring amino acid found predominantly in green tea leaves. It is noted for its ability to promote a state of calm alertness without causing drowsiness. Suntheanine, a patented, high-purity form of L-theanine, has been extensively studied for its consistent quality and bioavailability. Each capsule of XYMOGEN L-Theanine delivers 400 mg of Suntheanine, providing a reliable dose for those wishing to support relaxation, focus and stress management.

The unique structure of L-theanine allows it to cross the blood-brain barrier, where it may influence neurotransmitters such as GABA, dopamine and serotonin. This mechanism helps explain its calming effects while maintaining mental clarity. Unlike many relaxation aids, L-theanine does not impair cognitive function, making it a popular choice for daytime uses.

Key Benefits for Relaxation and Focus

XYMOGEN L-Theanine is designed to help support a balanced response to everyday stressors. By promoting relaxation without sedation, it may help you stay centred and focused during demanding tasks. The amino acid’s ability to enhance alpha brain wave activity is associated with a state of relaxed alertness, similar to that achieved during meditation.

In addition to stress support, L-theanine may aid concentration and attention. Many users report feeling more composed and able to handle mental challenges with greater ease. These benefits make it a valuable supplement for students, professionals, and anyone experiencing occasional nervous irritability.

  • Promotes calm without drowsiness
  • Supports focus and mental clarity
  • Helps manage occasional stress and tension
  • May improve sleep quality when taken before bed (whilst non-drowsy during the day)

Who Can Benefit from This Supplement?

L-theanine is suitable for a wide range of individuals. Those who experience daily stress from work, school or personal responsibilities may find it helpful for maintaining composure. It is also popular amongst people who want to enhance their focus during creative or analytical tasks without the jitters sometimes associated with caffeine.

Because L-theanine is non-drowsy, it can be used during the day by individuals who need to remain alert. It is also a common choice for those who have difficulty winding down in the evening, as it may support relaxation before sleep. The supplement is vegetarian, non-GMO and free from common allergens, making it accessible to many dietary preferences.

How to Incorporate It Into Your Routine

For optimal results, take one capsule daily with water, or as directed by your health care professional. L-theanine can be taken with or without food. Some people prefer to take it in the morning to support focus throughout the day, while others uses it in the evening to encourage relaxation. Because it is non-drowsy, it can be taken at any time without affecting alertness.

As with any supplement, it is important to follow the recommended dosage and consult a health care provider if you have underlying health conditions or are taking medications. Store in a cool, dry place away from direct sunlight.

Frequently Asked Questions

Does L-theanine cause drowsiness?

L-theanine is non-drowsy at typical doses. It promotes relaxation without sedation, allowing you to remain alert and focused. Some users do report improved sleep quality when taken before bed, but it does not act as a sedative.

Can I take L-theanine with other supplements?

L-theanine is generally well tolerated and can be combined with other supplements. It is often taken alongside caffeine to smooth out the stimulant effects while preserving focus. However, it is always best to consult a health care professional before starting new supplement combinations.

How long does it take to feel the effects?

Many users notice a sense of calm within 30 to 60 minutes after taking L-theanine on an empty stomach. Consistency is key, and regular uses may provide more sustained benefits for stress management and focus.

Is XYMOGEN L-Theanine safe for long-term uses?

L-theanine is considered safe for long-term uses when taken at recommended doses. XYMOGEN uses high-quality ingredients and follows strict manufacturing standards. As with any supplement, periodic evaluation of your needs is advisable.

This food supplement is not intended to diagnose, treat, or prevent any disease. Always read the label and follow directions for uses.

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Orders are prepared with clear worldwide delivery expectations from the product page through dispatch. Delivery estimates are shown before checkout where available, and tracking details are sent after the order leaves fulfilment so customers can follow the parcel and plan around the expected arrival window.

Returns and support

UK Vitality Vitamins 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

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

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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Supplement guide

XYMOGEN L-Theanine – 400 mg as Suntheanine – Relaxation, Focus & Stress Support – Amino Acid Supplement – Non-Drowsy – Vegetarian, Non-GMO & Gluten-Free – 60 Capsules at UK Vitality Vitamins

Why XYMOGEN L-Theanine Stands OutXYMOGEN is renowned for its evidence-based approach to nutrition. This L-theanine supplement utilises Suntheanine, a premium, extensively researched form of L-theanine prized for its c...

Category Amino Acid Supplements
Delivery area Worldwide
Checkout Secure checkout
Brand XYMOGEN
Price £69.88
Availability In stock
Amino Acid SupplementCalm SupplementCognitive SupportFocusFood SupplementGluten-FreeL-TheanineMood SupportNon-DrowsyNon-GMO

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.

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Questions about XYMOGEN L-Theanine – 400 mg as Suntheanine – Relaxation, Focus & Stress Support – Amino Acid Supplement – Non-Drowsy – Vegetarian, Non-GMO & Gluten-Free – 60 Capsules

Is XYMOGEN L-Theanine – 400 mg as Suntheanine – Relaxation, Focus & Stress Support – Amino Acid Supplement – Non-Drowsy – Vegetarian, Non-GMO & Gluten-Free – 60 Capsules available with worldwide delivery?

Yes. This product is currently available on UK Vitality Vitamins with free worldwide delivery.

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 basket area. Returns guidance is available on the product page and full terms are covered in the store returns policy.

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UK Vitality Vitamins product pages display ingredients, directions, allergen details and delivery information clearly — so you can compare supplements and make informed choices quickly.