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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
Supplements

No Nasty Ingredients

Clean Pure Extracts

Pure L Tryptophan Capsules

Price range: £9.59 through £21.59 inc VAT

360 Capsule
£21.59 £38.35
💰 Save 43.7%
Best Deal
270 Capsule
£17.99 £28.76
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180 Capsule
£14.39 £19.18
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90 Capsule
£9.59
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What Others Find Useful!

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Pure L Tryptophan Capsules Pure L Tryptophan Capsules
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4.9
Based on 194 reviews
5
94
94%
4
3
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1-5 of 194 reviews
  1. A

    I wouldn’t buy my mushroom supplements anywhere else, delivery is fast, customer service excellent.

  2. P

    Great website. So easy to find what you want, with clear and very detailed info on the ingredients. Customer service is excellent. I emailed with a query on the efficacy of an ingredient, and had a reply within 2 days. Delivery was very good too.

  3. DT

    I’ve ordered from this company several times and I’ve always received my items without any problems. I’m very happy with both the products and the service.
    With my last order, I had a small issue with the delivery, which was a little disappointing at first. However, once I contacted the company and explained the situation, they were very helpful and made sure the issue was resolved.
    I really appreciate the effort they made to sort everything out. Overall, I’ve always had a positive experience with this company and would happily order from them again. Highly recommended!

  4. A

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

  5. S

    Best supplements in the UK

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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Pure L Tryptophan Capsules Pure L Tryptophan Capsules
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5.0
Based on 30 reviews
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1-10 of 30 reviews
  1. SS

    Sleep had been all over the place for weeks and I was waking up feeling like id barely rested. since trying l tryptophan ive been dropping off easier and dont seem to wake as much through the night. also noticed im not reaching for snacks every evening like I used to

  2. JT

    late nights had been getting a bit too regular. tryptophan seems to help me settle easier, especially when i take it before bed. no drowsy hangover so far

  3. LY

    tryptophan is my wind-down capsule. I take it on restless evenings and sleep feels a bit easier to fall into

  4. DB

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

  5. C

    When my evenings get restless, tryptophan helps me settle a bit easier. no heavy feeling the next morning

  6. C

    capsules were easy to swallow and the label was simple to read. no fillers listed that i could see

  7. TB

    Easy to swallow and the bottle lasts me a while. i keep l tryptophan for evenings

  8. C

    Evening routine is where l tryptophan fits best for me. i started with one and kept it simple

  9. JN

    Evening is the only time i remember these. l tryptophan capsules are small and easy with water

  10. C

    Evening timing suits my routine best. the capsules are plain and do not leave any taste behind

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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