...

● 10% off any 3 products ● Double points when logged in ● Free UK delivery over £70

£0.00
0
Subtotal: £0.00

No products in the basket.

No products in the basket.

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

UK
Supplements

No Nasty Ingredients

Clean Pure Extracts

Pure L Arginine 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
💰 Save 37.5%
180 Capsule
£14.39 £19.18
💰 Save 25%
90 Capsule
£9.59
Base price
- +

What Others Find Useful!

Add a review
Pure L Arginine Capsules Pure L Arginine Capsules
Rating*
0/5
* Rating is required
Your review
* Review is required
Name
* Name is required
4.9
Based on 192 reviews
5
94
94%
4
3
3%
3
1
1%
2
0
0%
1
2
2%
1-5 of 192 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-Arginine Amino Acid Capsules built around the ingredient customers came to buy without machine flow agent padding.

Crown Supplements Pure L-Arginine Capsules provide 1,040mg across two capsules, equal to 520mg in each capsule. Pure Psyllium Husk Extract accompanies the L-Arginine as the stated uptake ingredient, with the formula enclosed inside HPMC hypromellose capsule shells. Take two capsules twice per day.

Pure L-Arginine
Focused amino acid formula
520mg
Inside each capsule
1,040mg
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-Arginine—not capsule padding added for the convenience of machinery.

Customer Supplements Reviews

Add a review
Pure L Arginine Capsules Pure L Arginine Capsules
Rating*
0/5
* Rating is required
Your review
* Review is required
Name
* Name is required
5.0
Based on 31 reviews
5
100
100%
4
0%
3
0%
2
0%
1
0%
1-5 of 31 reviews
  1. CG

    Great quality supplements !

  2. P

    I found l-arginine has helped my angina
    Went a week without as run out and heart spasms came back SO will definitely continue with this FANTASTIC product
    Thank you 🙏

  3. SS

    noticed that my hands and feet which usually feel cold in the mornings don’t anymore maybe that’s the improved blood circulation from the nitric oxide support i don’t know but it’s a noticeable difference my sleep actually improved too not in a knockout kind of way but more like my body felt more recovered by morning which probably comes down to better oxygen and nutrient flow overnight since l-arginine is often used for vascular health and muscle repair i’ve tried other arginine supplements before but some gave me stomach issues or tasted awful this one crownsupplements is super clean no fillers no weird additives just solid l-arginine for energy performance and vascular support i take it in the morning and again pre-workout and it’s become one of those staples i don’t want to skip help with circulation and workout performance and read that it’s known for helping the body produce nitric oxide which supports blood flow muscle pumps and even recovery sounded promising but there’s a lot of junk online so i wanted something clean and trusted l-arginine supplements because i was just tired of feeling tired all the time i’m in my late 30s trying to stay on top of work family and still squeeze in gym sessions but honestly my energy levels were all over the place and even when i pushed myself to train i didn’t feel like my body was keeping up

  4. SS

    noticed that my hands and feet which usually feel cold in the mornings don’t anymore maybe that’s the improved blood circulation from the nitric oxide support i don’t know but it’s a noticeable difference my sleep actually improved too not in a knockout kind of way but more like my body felt more recovered by morning which probably comes down to better oxygen and nutrient flow overnight since l-arginine is often used for vascular health and muscle repair i’ve tried other arginine supplements before but some gave me stomach issues or tasted awful this one from crown supps is super clean no fillers no weird additives just solid l-arginine for energy performance and vascular support i take it in the morning and again pre-workout and it’s become one of those staples i don’t want to skip help with circulation and workout performance and read that it’s known for helping the body produce nitric oxide which supports blood flow muscle pumps and even recovery sounded promising but there’s a lot of junk online so i wanted something clean and trusted l-arginine supplements because i was just tired of feeling tired all the time i’m in my late 30s trying to stay on top of work family and still squeeze in gym sessions but honestly my energy levels were all over the place and even when i pushed myself to train i didn’t feel like my body was keeping up

  5. RP

    Seems great at the minute i alternate from 1 and 2 capsules a day it suits me consuming them that way never had a problem with anything i’ve bought also everything gets delivered very quick

Pure L-Arginine Amino Acid Capsules • 1,040mg • UK

1,040mg across two capsules. L-Arginine first.

Crown Supplements Pure L-Arginine Capsules give British shoppers 520mg of Pure L-Arginine in each capsule and 1,040mg across two 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-Arginine
Pure amino acid formula
520mg
Inside each capsule
1,040mg
Across two capsules
Twice Daily
Two capsules each time

Formula snapshot

Main ingredient
Pure L-Arginine
Ingredient category
Amino acid
Ingredient format
Powder enclosed in capsules
Amount per capsule
520mg
Amount across two capsules
1,040mg
Recommended use
Two capsules twice per day
Stated uptake ingredient
Pure Psyllium Husk Extract
Capsule shell
HPMC hypromellose

What exactly is L-Arginine?

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

L-Arginine is the exact amino acid ingredient enclosed inside these capsules. The “L” identifies the naturally occurring molecular orientation associated with the amino acid, while arginine is the shorter wording customers commonly use when searching for the same ingredient.

Customers may search for L-Arginine capsules, arginine amino acid capsules, pure arginine capsules or an L-Arginine supplement in the UK. Crown Supplements keeps the recognised amino acid name at the centre of the product instead of hiding it inside an overloaded proprietary mixture.

The L-Arginine is supplied as powder enclosed inside HPMC hypromellose capsule shells. Each capsule contains 520mg, while Pure Psyllium Husk Extract accompanies the amino acid as the stated uptake ingredient.

L-Arginine

The complete ingredient name

L-Arginine is the full amino acid identity used for the ingredient inside the Crown Supplements formula.

Every capsule provides a stated 520mg amount.

Arginine

The familiar shortened wording

Arginine is commonly used as a shorter product and search term for L-Arginine amino acid capsules.

The formula itself identifies the complete L-Arginine ingredient directly.

Loose amino acid powder

Measured before use

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

Crown Supplements capsule format

520mg already measured

Each HPMC hypromellose capsule contains a measured 520mg of Pure L-Arginine.

Understanding the product numbers

520mg per capsule. 1,040mg across two.

The two headline quantities describe the same Pure L-Arginine formula at different capsule counts. Each capsule contains 520mg, while two capsules provide the complete stated serving amount of 1,040mg.

520mg

Inside each capsule

Every HPMC capsule contains 520mg of Pure L-Arginine.

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

1,040mg

Across two capsules

Two capsules provide the complete stated 1,040mg L-Arginine amount.

The recommended directions use two capsules at each serving time.

L-Arginine
Amino acid ingredient
520mg
Per capsule
1,040mg
Across two capsules
2,080mg
Across four capsules

Why choose these Pure L-Arginine capsules?

The amino acid should lead the formula.

British customers choosing L-Arginine capsules are paying for the amino acid. Crown Supplements keeps the formula centred on the exact ingredient identity, the measured 1,040mg serving and the stated Psyllium Husk Extract uptake ingredient instead of burying the product under machinery-focused clutter.

01

Pure L-Arginine

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

02

Exact ingredient identity

L-Arginine is identified directly rather than hidden inside a vague amino acid blend.

03

520mg per capsule

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

04

1,040mg serving

Two capsules provide the complete stated L-Arginine 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-Arginine—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-Arginine 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-Arginine
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 L-Arginine is what matters?

The Crown Supplements formula

Pure L-Arginine amino acid
520mg inside each capsule
1,040mg across two capsules
2,080mg 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-Arginine is the reason you are buying the capsule. Crown Supplements keeps it at the centre of the formula.

Capsule quantities and pack duration

Six quantities. Four capsules per day.

Customers across Great Britain can choose 90, 180, 270, 360, 450 or 540 capsules. The recommended use is two capsules twice per day, providing two complete 1,040mg servings and 2,080mg of L-Arginine 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
450
225 two-capsule servings
Approximately 112.5 days
540
270 two-capsule servings
Approximately 135 days

Complete product specification

Everything needed to understand the formula.

These Pure L-Arginine Amino Acid Capsules give UK customers 520mg inside each HPMC capsule, 1,040mg across two capsules and Pure Psyllium Husk Extract as the stated uptake ingredient.

Product
Crown Supplements Pure L-Arginine Capsules
Product type
L-Arginine amino acid capsules
Main ingredient
Pure L-Arginine
Ingredient category
Amino acid
Ingredient format
L-Arginine powder enclosed inside capsules
Amount per capsule
520mg
Amount per serving
1,040mg across two capsules
Recommended serving
Two capsules taken twice per day
Total capsules per day
Four capsules
Total L-Arginine across the day
2,080mg
Stated uptake ingredient
Pure Psyllium Husk Extract
Capsule shell
HPMC capsules made from hypromellose
Current capsule quantities
90, 180, 270, 360, 450 and 540 capsules
Other recognised wording
Arginine capsules, L-Arginine amino acid capsules, pure arginine capsules and L-Arginine supplement UK
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-Arginine capsule questions

Frequently asked questions.

What are Pure L-Arginine capsules?

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

Is L-Arginine an amino acid?

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

Are L-Arginine and arginine the same product wording?

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

How much L-Arginine is inside each capsule?

Each capsule contains 520mg of Pure L-Arginine.

How much L-Arginine is supplied across two capsules?

Two capsules provide the complete stated L-Arginine serving amount of 1,040mg.

How much L-Arginine is supplied across four capsules?

Four capsules provide a combined stated L-Arginine amount of 2,080mg.

How should the L-Arginine 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-Arginine capsule quantities are available?

Choose 90, 180, 270, 360, 450 or 540 Pure L-Arginine Capsules.

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

Yes. Crown Supplements supplies Pure L-Arginine Amino Acid Capsules throughout the United Kingdom in six selectable quantities.

Pure L-Arginine Amino Acid Capsules • 1,040mg Across Two Capsules

Choose the capsule built around the L-Arginine.

Crown Supplements gives customers across the United Kingdom 520mg of Pure L-Arginine inside each HPMC hypromellose capsule and 1,040mg across two capsules.

Pure L-Arginine. 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.

Q & A

Ask a question
Pure L Arginine Capsules Pure L Arginine Capsules
Your question
* Question is required
Name
* Name is required
There are no questions yet
What Our Clients Say
4500 reviews