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Pure L Theanine capsules
L Theanine Capsules Back Label
Pure L Theanine capsules
L Theanine Capsules Back Label

UK
Supplements

No Nasty Ingredients

Clean Pure Extracts

Pure L Theanine Capsules

Price range: £13.19 through £31.19 inc VAT

360 Capsule
£31.19 £52.75
💰 Save 40.9%
Best Deal
270 Capsule
£25.19 £39.56
💰 Save 36.3%
180 Capsule
£20.39 £26.38
💰 Save 22.7%
90 Capsule
£13.19
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What Others Find Useful!

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Pure L Theanine Capsules Pure L Theanine Capsules
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4.9
Based on 198 reviews
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1-5 of 198 reviews
  1. A

    Excellent company to deal with. Quality products & quick delivery. Would buy from again & will! Thank you.

  2. S

    Best supplements in the UK

  3. A

    No comments

  4. DK

    good product and fast delivery

  5. VH

    Good service, only just started with supplements so fingers crossed after a few weeks start to feel benefits of them, will reorder as i know they take a while to work 😀

Choose Pure L-Theanine Capsules built around the amino acid ingredient without machine flow agent padding.

Crown Supplements Pure L-Theanine Capsules provide 880mg across two capsules, equal to 440mg in each capsule. Pure Psyllium Husk Extract accompanies the L-Theanine as the stated uptake ingredient, with the formula enclosed inside HPMC hypromellose capsule shells. Take two capsules twice per day.

Pure L-Theanine
Amino acid capsule formula
440mg
Inside each capsule
880mg
Across two capsules
HPMC Capsules
Hypromellose capsule shells

Clean formula: No fillers. No binders. No machine flow agents added by Crown Supplements.

You are buying L-Theanine—not capsule padding added for the convenience of machinery.

Customer Supplements Reviews

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5.0
Based on 37 reviews
5
97
97%
4
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1-5 of 37 reviews
  1. EK

    This has really helped my stress levels, and relaxation in the evenings

  2. JT

    Excellent product, fast delivery. Always use this company for my supplements as does a friend of mine who recommended them.

  3. HC

    quality products without all the fillers. I have been using L Thianine to support my journey coming off antidepressants and I am happy with the results.

  4. HT

    L Theanine Capsules

  5. SS

    I ’ve been looking for something to help with stress for a while now not like prescription stuff but just something natural that actually works most days my brain is just non stop racing from the minute i wake up and it gets worse at night when i’m trying to wind down so i end up not sleeping properly and then the next day’s just a mess i came across l theanine while reading about natural anxiety relief and focus supplements and it kept coming up as something people take for stress support and mental clarity i didn’t want anything that would knock me out or mess with my energy so this sounded like it could be a good fit i already buy other things from crown supplements like lion’s mane and magnesium glycinate by the end of the week something changed i realised i wasn’t reacting as fast to the little things that normally set me off like traffic noise or emails piling up i just felt a bit more level like my head was quieter but not foggy if that makes sense it didn’t make me sleepy at all in fact i felt more focused and alert during work which i wasn’t expecting from something meant to calm you down i guess that’s one of the cool things about l theanine it promotes this feeling of calm alertness without acting like a sedative one in the morning and one in the late afternoon especially on days when i know it’s going to be busy or stressful and it helps me stay in the zone and not get overwhelmed i’ve even started mixing it with my coffee and that’s been a game changer it takes the edge off the caffeine and gives me this smooth kind of energy deals with overthinking, mild anxiety, or focus issues especially if you don’t want to go down the pharmaceutical route this is a natural supplement that just helps you feel like a better version of yourself worth saying that this stuff has been used for ages and is naturally found in green tea so you’re not putting anything dodgy into your system and being in capsule form makes it way more convenient than drinking 10 cups of tea a day

Pure L-Theanine Amino Acid Capsules • 880mg • UK

880mg across two capsules. L-Theanine first.

Crown Supplements Pure L-Theanine Capsules give British shoppers 440mg of the amino acid in each capsule and 880mg across two capsules. Pure Psyllium Husk Extract accompanies the L-Theanine as the stated uptake ingredient, with the focused formula enclosed inside HPMC hypromellose capsule shells and no fillers, binders or machine flow agents added by Crown Supplements.

L-Theanine
Pure amino acid formula
440mg
Inside each capsule
880mg
Across two capsules
HPMC
Hypromellose capsule shells

Formula snapshot

Main ingredient
Pure L-Theanine
Ingredient category
Amino acid
Ingredient format
Powder enclosed inside capsules
Amount per capsule
440mg
Amount across two capsules
880mg
Recommended use
Two capsules twice per day
Stated uptake ingredient
Pure Psyllium Husk Extract
Capsule shell
HPMC hypromellose

What exactly is L-Theanine?

A precisely identified amino acid—not a vague ingredient blend.

L-Theanine is the exact amino acid ingredient supplied inside these capsules. The “L” forms part of the ingredient identity, while “Theanine” is the shorter wording customers commonly use when searching for the same supplement category.

Customers may search for L-Theanine capsules, L-Theanine supplements, Theanine capsules or L-Theanine in the UK. Crown Supplements keeps the recognised ingredient name at the centre of the product instead of hiding it inside an overcomplicated proprietary blend.

The L-Theanine is supplied as powder enclosed inside HPMC hypromellose capsule shells. Each capsule contains 440mg, while Pure Psyllium Husk Extract accompanies it as the stated uptake ingredient.

L-Theanine

The exact ingredient name

L-Theanine is the full name used to identify the amino acid supplied by the Crown Supplements formula.

Every capsule contains a stated 440mg of this ingredient.

Theanine

The familiar shortened wording

Theanine is commonly used as a shorter search term for L-Theanine products and capsule formulas.

The product itself identifies the complete L-Theanine ingredient form directly.

Amino acid identity

One clearly named core ingredient

The formula identifies L-Theanine as an amino acid rather than presenting it as an undefined botanical or general wellness mixture.

Capsule format

Measured into HPMC shells

The L-Theanine powder is enclosed inside HPMC hypromellose capsules, giving 440mg in each capsule and 880mg across two.

Understanding the product numbers

440mg per capsule. 880mg across two.

The two headline quantities describe the same Pure L-Theanine formula at different capsule counts. Each capsule contains 440mg, while two capsules provide the complete stated serving amount of 880mg.

440mg

Inside each capsule

Every HPMC capsule contains 440mg of Pure L-Theanine.

The per-capsule amount makes the formula simple to inspect before selecting a pouch.

880mg

Across two capsules

Two capsules provide the complete stated 880mg L-Theanine amount.

The recommended directions use two capsules at each serving time.

L-Theanine
Amino acid ingredient
440mg
Per capsule
880mg
Across two capsules
1,760mg
Across four capsules

Why choose these Pure L-Theanine capsules?

The amino acid should lead the formula.

British customers choosing L-Theanine capsules are paying for the amino acid ingredient. Crown Supplements keeps the formula centred on the exact L-Theanine identity, the measured 880mg serving and the stated Psyllium Husk Extract uptake ingredient instead of burying the product under machinery-focused clutter.

01

Pure L-Theanine

The named amino acid remains at the centre of the capsule formula.

02

Exact ingredient identity

The complete L-Theanine name is stated instead of relying on a vague amino acid blend.

03

440mg per capsule

The physical L-Theanine amount inside each capsule is stated precisely.

04

880mg serving

Two capsules provide the complete stated L-Theanine serving amount.

05

Defined uptake ingredient

Pure Psyllium Husk Extract is identified directly within the formula.

06

No production clutter

No fillers, binders or machine flow agents are added by Crown Supplements.

The Crown Supplements formula standard

Built around L-Theanine—not machinery convenience.

When an amino acid capsule includes filler padding, binders, bulking materials, lubricants, anti-caking agents or machine flow agents, part of the formula is being designed around production instead of the L-Theanine customers came to buy.

They may help the machine. They are not the reason the customer buys the capsule.

What filler-heavy formulas add

Filler padding occupying capsule space beside the L-Theanine
Binder padding added around mass-production processes
Bulking materials extending the ingredient list
Lubricants, anti-caking materials and flow agents included for machinery convenience
Why pay for capsule padding when L-Theanine is what matters?

The Crown Supplements formula

Pure L-Theanine amino acid
440mg inside each capsule
880mg across two capsules
1,760mg across four capsules
Pure Psyllium Husk Extract as the stated uptake ingredient
HPMC hypromellose capsule shells
Crown Supplements does not add magnesium stearate, silicon dioxide, talc, microcrystalline cellulose or maltodextrin to this formula.
No fillers. No binders. No machine flow agents added by Crown Supplements.
The L-Theanine is the reason you are buying the capsule. Crown Supplements keeps it at the centre of the formula.

Capsule quantities and pack duration

Four quantities. Four capsules per day.

Customers across Great Britain can choose 90, 180, 270 or 360 capsules. The recommended use is two capsules twice per day, providing two complete 880mg servings and 1,760mg of the stated L-Theanine formula across the day.

90
45 two-capsule servings
Approximately 22.5 days
180
90 two-capsule servings
Approximately 45 days
270
135 two-capsule servings
Approximately 67.5 days
360
180 two-capsule servings
Approximately 90 days

Complete product specification

Everything needed to understand the formula.

These Pure L-Theanine Capsules give UK customers 440mg of the amino acid inside each HPMC capsule, 880mg across two capsules and Pure Psyllium Husk Extract as the stated uptake ingredient.

Product
Crown Supplements Pure L-Theanine Capsules
Product type
L-Theanine amino acid capsules
Main ingredient
Pure L-Theanine
Ingredient category
Amino acid
Ingredient format
L-Theanine powder enclosed inside capsules
Amount per capsule
440mg
Amount across two capsules
880mg
Recommended serving
Two capsules taken twice per day
Total capsules per day
Four capsules
Total L-Theanine across the day
1,760mg
Stated uptake ingredient
Pure Psyllium Husk Extract
Capsule shell
HPMC capsules made from hypromellose
Current capsule quantities
90, 180, 270 and 360 capsules
Other recognised wording
L-Theanine supplement, Theanine supplement, L-Theanine UK and Theanine capsules
Formula standard
No fillers, binders or machine flow agents added by Crown Supplements
Brand
Crown Supplements

Directions and storage

Two capsules. Twice per day.

Recommended use
Take two capsules twice per day, following the current product label.
Storage
Store in a cool, dry place away from direct sunlight. Keep the pouch securely closed and press out excess air before closing.
Important information
Follow the current Crown Supplements product label and do not exceed the recommended amount of four capsules per day.

L-Theanine capsule questions

Frequently asked questions.

What are Pure L-Theanine capsules?

These capsules contain Pure L-Theanine as the main amino acid ingredient, accompanied by Pure Psyllium Husk Extract.

Is L-Theanine an amino acid?

Yes. The product identifies Pure L-Theanine as an amino acid ingredient.

Are L-Theanine and Theanine the same product search term?

Theanine is commonly used as shortened wording when customers search for L-Theanine capsules and supplements.

How much L-Theanine is inside each capsule?

Each capsule contains 440mg of Pure L-Theanine.

How much L-Theanine is supplied across two capsules?

Two capsules provide the complete stated L-Theanine amount of 880mg.

How much is supplied across four capsules?

Four capsules provide a combined stated L-Theanine amount of 1,760mg.

How should the L-Theanine capsules be taken?

Take two capsules twice per day, following the current product label.

Why is Pure Psyllium Husk Extract included?

Pure Psyllium Husk Extract is identified in the product information as the stated uptake ingredient.

Which capsule shell is used?

The formula uses HPMC capsules made from hypromellose.

Are fillers, binders or machine flow agents added?

No fillers. No binders. No machine flow agents added by Crown Supplements.

Which L-Theanine capsule quantities are available?

Choose 90, 180, 270 or 360 Pure L-Theanine Capsules.

Can I buy L-Theanine capsules in the United Kingdom?

Yes. Crown Supplements supplies Pure L-Theanine Capsules throughout the United Kingdom in four selectable quantities.

Pure L-Theanine Amino Acid Capsules • 880mg Across Two Capsules

Choose the capsule built around the L-Theanine.

Crown Supplements gives customers across the United Kingdom 440mg of Pure L-Theanine inside each HPMC hypromellose capsule and 880mg across two capsules.

Pure L-Theanine. Defined amino acid formula. No filler clutter. No binder clutter. No machine-flow-agent clutter.

Select your preferred capsule quantity in the purchase panel above.

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