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Prescribed For Life L-Theanine Powder (Assay >99%) - 1 kg

Prescribed For Life L-Theanine Powder (Assay >99%) - 1 kg

Regular price £123.49 GBP
Sale price £123.49 GBP Regular price
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Prescribed For Life L-Theanine Powder (Assay >99%) - 1 kg

Regular price £123.49
Sale price £123.49 Regular price
Save % Sold out
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Key Benefits of L-Theanine

L-Theanine is widely recognized for its ability to help promote a calm, focused state of mind. It may support natural energy levels by balancing the effects of caffeine, or simply enhance your body's response to daily stress. Additionally, L-theanine contributes to normal cognitive function by encouraging alpha brain wave activity, which is associated with relaxed concentration.

Top Features of Prescribed For Life L-Theanine

  • Pure & Natural: Single raw ingredient with no additives, preservatives, fillers, or binders.
  • Vegan & Gluten-Free: Suitable for plant-based diets and those with gluten sensitivities.
  • Non-GM: Made without genetically modified organisms.
  • Third-Party Laboratory Tested: Every batch is independently verified for purity and potency.
  • Bulk Sizes Available: From 113 g up to 25 kg for your convenience.
  • GMP Compliant: Manufactured in the USA following Good Manufacturing Practices.

What Is L-Theanine?

L-Theanine is a naturally occurring amino acid predominantly found in green tea leaves. Unlike many amino acids, L-theanine is not used to build proteins but plays a unique role in supporting relaxation and alertness without drowsiness. This pure L-theanine powder from Prescribed For Life delivers a high-assay (>99%) form of this amino acid, making it a versatile addition to your wellness routine.

Who Should Take L-Theanine?

L-Theanine is suitable for adults seeking a natural way to manage daily stress, improve focus, or support energy without jitters. It fits well into vegan, gluten-free, and non-GM lifestyles. Whether you're a student, professional, or athlete, this amino acid can complement your health regimen. Always consult with a health care professional before starting any new supplement.

How to Choose the Best L-Theanine Supplement

When selecting an L-theanine product, purity and potency are paramount. Prescribed For Life's powder undergoes third-party laboratory testing to verify its >99% assay, ensuring you receive a premium, uncontaminated ingredient. The bulk powder format allows flexible dosage—typically 100–200 mg per serving—and its re-sealable pouch maintains freshness for long-term storage.

FAQs About L-Theanine

What is the recommended dosage?

Typical doses range from 100 mg to 200 mg per day, but follow the directions on the product label or consult your health care provider.

Can L-theanine be taken with caffeine?

Yes, many people combine L-theanine with caffeine to enhance focus and reduce jitteriness. However, individual responses vary.

Is this product safe for long-term uses?

L-theanine is generally considered safe when used as directed. As with any supplement, it is wise to discuss long-term uses with a health care professional.

*These statements have not been evaluated by the European Medicines Agency. This product is not intended to diagnose, treat, , or prevent any disease.

Worldwide Delivery

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

Prescribed For Life L-Theanine Powder (Assay >99%) - 1 kg at UK Vitality Vitamins

Key Benefits of L-TheanineL-Theanine is widely recognized for its ability to help promote a calm, focused state of mind. It may support natural energy levels by balancing the effects of caffeine, or simply enhance you...

Category Amino Acids
Delivery area Worldwide
Checkout Secure checkout
Brand Prescribed For Life
Price £123.49
Availability In stock
Amino AcidBulk PowderEnergy SupportFocusGluten FreeGMPHealth & WellnessL-TheanineNon GMPrescribed For Life

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.

What UK Vitality Vitamins shows before checkout

Every product page displays price, availability, variant choices, ingredient information, directions for use, allergen details, worldwide delivery expectations and secure checkout — so you can make an informed decision quickly.

Questions about Prescribed For Life L-Theanine Powder (Assay >99%) - 1 kg

Is Prescribed For Life L-Theanine Powder (Assay >99%) - 1 kg 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.

Supplement shopping with clarity

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