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Pure L Tryptophan-Capsules-
L Tryptophan Capsules Back Label
Pure L Tryptophan 3
Pure L Tryptophan 1
Pure L Tryptophan 2
Pure L Tryptophan-Capsules-
L Tryptophan Capsules Back Label
Pure L Tryptophan 3
Pure L Tryptophan 1
Pure L Tryptophan 2

UK
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Pure L Tryptophan Capsules

Price range: £9.59 through £21.59 inc VAT

360 Capsule
£21.59 £38.35
💰 Save 43.7%
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270 Capsule
£17.99 £28.76
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What Others Find Useful!

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4.9
Based on 191 reviews
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1-5 of 191 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-Tryptophan Capsules built around the precisely measured amino acid without machine flow agent padding.

Crown Supplements Pure L-Tryptophan Capsules provide 870mg across three capsules, equal to 290mg in each capsule. Pure Psyllium Husk Extract accompanies the L-Tryptophan as the stated uptake ingredient, with the formula enclosed inside HPMC hypromellose capsule shells. Take three capsules twice per day.

Pure L-Tryptophan
Focused amino acid formula
290mg
Inside each capsule
870mg
Across three capsules
Twice Daily
Three capsules each time

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

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

Customer Supplements Reviews

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5.0
Based on 30 reviews
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1-5 of 30 reviews
  1. SS

    i did the usual sleep tea magnesium warm showers you name it but nothing really helped in a consistent way then i stumbled across l tryptophan while researching natural sleep support and mood balancing supplements it’s supposed to help your body make serotonin and melatonin naturally and that’s what caught my attention i didn’t want to rely on sleeping pills or anything synthetic i never really thought much about amino acid supplements until sleep started becoming a full-on issue for me not just the odd restless night i mean weeks of tossing and turning waking up every hour and feeling like i hadn’t actually slept it started messing with everything my mood was flat my concentration was off and even food cravings were out of control. when your serotonin levels are more balanced you just feel a bit more okay like normal stuff doesn’t hit you as hard i still have stressful days but i’m less reactive and more clear-headed now take one capsule late afternoon and another about 30 mins before bed and that routine seems to work really well for me i’ve even had a few nights where i fell asleep without even realising it which hasn’t happened in ages this supplement has also been a huge help with stress eating and those random evening cravings i’ve read that l tryptophan can help regulate appetite and honestly i feel way more in control now which is something i hadn’t even considered when i bought it

  2. JT

    Sleeplessness is treated with L-tryptophan. A natural antidepressant and stress reliever, 5-HTP and l-tryptophan supplements have been used to treat depression using 5-HTP may have the benefit of avoiding the enzyme tryptophan hydroxylase, which is the rate-limiting step in the synthesis of serotonin, from converting l-tryptophan into 5-HTP.

  3. LY

    buy supplements from here these are really fantastic they have everything from uk gym supplements to vitamins

  4. DB

    L tryptophan shortens the time it takes to fall asleep and improves mood in healthy adults who have sleep issues.

  5. C

    I’ve been using L-Tryptophan 500mg pills in my regimen, and the effects have been fantastic. These pills have rapidly become my go-to for natural mood support, allowing me to remain calm and balanced even on the busiest days. The importance of L-Tryptophan as a precursor to serotonin is widely understood, and I’ve seen a significant change in how calm and pleasant I feel. In addition to improving my mood, these pills have transformed my sleep. I had a more comfortable and unbroken night’s sleep, waking up feeling revitalised and invigorated. The natural soothing action of L-Tryptophan appears to help me relax before bedtime, making it a good natural sleep aid for individuals who wish to fall asleep without feeling groggy.

Pure L-Tryptophan Amino Acid Capsules • 870mg • UK

870mg across three capsules. L-Tryptophan first.

Crown Supplements Pure L-Tryptophan Capsules give British shoppers 290mg of Pure L-Tryptophan in each capsule and 870mg across three capsules. Pure Psyllium Husk Extract accompanies the amino acid as the stated uptake ingredient, with the focused formula enclosed inside HPMC hypromellose capsule shells.

L-Tryptophan
Pure amino acid formula
290mg
Inside each capsule
870mg
Across three capsules
Twice Daily
Three capsules each time

Formula snapshot

Main ingredient
Pure L-Tryptophan
Ingredient category
Amino acid
Ingredient format
Powder enclosed inside capsules
Amount per capsule
290mg
Amount per serving
870mg across three capsules
Recommended use
Three capsules twice per day
Stated uptake ingredient
Pure Psyllium Husk Extract
Capsule shell
HPMC hypromellose

What exactly is L-Tryptophan?

One precisely identified amino acid—not a vague capsule blend.

L-Tryptophan is the exact amino acid ingredient enclosed inside these capsules. The “L” forms part of the ingredient identity, while tryptophan is the shorter wording customers often use when searching for the same amino acid.

Customers may search for L-Tryptophan capsules, tryptophan capsules, Pure L-Tryptophan or an L-Tryptophan supplement in the UK. Crown Supplements keeps the recognised ingredient name at the centre of the product instead of hiding it inside an overloaded proprietary mixture.

The L-Tryptophan is supplied as powder enclosed inside HPMC hypromellose capsule shells. Each capsule contains 290mg, while Pure Psyllium Husk Extract accompanies the amino acid as the stated uptake ingredient.

L-Tryptophan

The complete ingredient name

L-Tryptophan is the precise amino acid identity used for the ingredient inside the Crown Supplements formula.

Every capsule provides a stated 290mg amount.

Tryptophan

The familiar shortened wording

Tryptophan is commonly used as shorter wording when customers search for L-Tryptophan amino acid capsules.

The product itself identifies the complete Pure L-Tryptophan ingredient directly.

Loose L-Tryptophan powder

Measured before use

Loose L-Tryptophan powder requires the customer to measure the amount before taking it.

Crown Supplements capsule format

290mg already measured

Each HPMC hypromellose capsule contains a measured 290mg of Pure L-Tryptophan.

Understanding the product numbers

290mg per capsule. 870mg across three.

The two headline quantities describe the same Pure L-Tryptophan formula at different capsule counts. Each capsule contains 290mg, while three capsules provide the complete stated serving amount of 870mg.

290mg

Inside each capsule

Every HPMC capsule contains 290mg of Pure L-Tryptophan.

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

870mg

Across three capsules

Three capsules provide the complete stated 870mg L-Tryptophan serving.

The recommended directions use three capsules at each serving time.

L-Tryptophan
Amino acid ingredient
290mg
Per capsule
870mg
Across three capsules
1,740mg
Across six capsules

Why choose these Pure L-Tryptophan capsules?

The L-Tryptophan should lead the formula.

British customers choosing L-Tryptophan capsules are paying for the amino acid. Crown Supplements keeps the formula centred on the exact ingredient identity, the measured 870mg serving and the stated Psyllium Husk Extract uptake ingredient instead of burying the product under machinery-focused clutter.

01

Pure L-Tryptophan

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

02

Exact ingredient identity

L-Tryptophan is identified directly rather than hidden inside a vague amino acid mixture.

03

290mg per capsule

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

04

870mg serving

Three capsules provide the complete stated L-Tryptophan 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-Tryptophan—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-Tryptophan 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-Tryptophan
Binder padding added around mass-production processes
Bulking material extending the ingredient list
Lubricants, anti-caking materials and flow agents included for machinery convenience
Why pay for capsule padding when Pure L-Tryptophan is what matters?

The Crown Supplements formula

Pure L-Tryptophan amino acid
290mg inside each capsule
870mg across three capsules
1,740mg across six 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-Tryptophan 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. Six capsules per day.

Customers across Great Britain can choose 90, 180, 270 or 360 capsules. The recommended use is three capsules twice per day, providing two complete 870mg servings and 1,740mg of L-Tryptophan across the day.

90
30 three-capsule servings
Approximately 15 days
180
60 three-capsule servings
Approximately 30 days
270
90 three-capsule servings
Approximately 45 days
360
120 three-capsule servings
Approximately 60 days

Complete product specification

Everything needed to understand the formula.

These Pure L-Tryptophan Capsules give UK customers 290mg inside each HPMC capsule, 870mg across three capsules and Pure Psyllium Husk Extract as the stated uptake ingredient.

Product
Crown Supplements Pure L-Tryptophan Capsules
Product type
L-Tryptophan amino acid capsules
Main ingredient
Pure L-Tryptophan
Ingredient category
Amino acid
Ingredient format
L-Tryptophan powder enclosed inside capsules
Amount per capsule
290mg
Amount per serving
870mg across three capsules
Recommended serving
Three capsules taken twice per day
Total capsules per day
Six capsules
Total L-Tryptophan across the day
1,740mg
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
Tryptophan capsules, L-Tryptophan amino acid capsules, Pure Tryptophan capsules and L-Tryptophan supplement UK
Formula standard
No fillers, binders or machine flow agents added by Crown Supplements
Brand
Crown Supplements

Directions and storage

Three capsules. Twice per day.

Recommended use
Take three 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 six capsules per day.

L-Tryptophan capsule questions

Frequently asked questions.

What are Pure L-Tryptophan Capsules?

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

Is L-Tryptophan an amino acid?

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

Are L-Tryptophan and tryptophan the same product wording?

Tryptophan is commonly used as shortened wording when customers search for L-Tryptophan amino acid capsules.

How much L-Tryptophan is inside each capsule?

Each capsule contains 290mg of Pure L-Tryptophan.

How much L-Tryptophan is supplied across three capsules?

Three capsules provide the complete stated L-Tryptophan serving amount of 870mg.

How much L-Tryptophan is supplied across six capsules?

Six capsules provide a combined stated L-Tryptophan amount of 1,740mg.

How should the L-Tryptophan capsules be taken?

Take three 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.

How long does a 90-capsule pouch last?

At six capsules per day, a 90-capsule pouch provides 30 three-capsule servings and lasts approximately 15 days.

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

Yes. Crown Supplements supplies Pure L-Tryptophan Capsules throughout the United Kingdom in 90, 180, 270 and 360-capsule quantities.

Pure L-Tryptophan Amino Acid Capsules • 870mg Across Three Capsules

Choose the capsule built around the L-Tryptophan.

Crown Supplements gives customers across the United Kingdom 290mg of Pure L-Tryptophan inside each HPMC hypromellose capsule and 870mg across three capsules.

Pure L-Tryptophan. Precisely measured amino acid. 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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