Pharmaceutical Grade L Arginine
L-Arginine is a naturally occurring amino acid that serves as a precursor to nitric oxide in the body.
Popular among athletes and active individuals, it is commonly included in pre-workout formulations and sports nutrition supplement stacks.
L-Arginine remains a versatile addition to a balanced diet and active lifestyle.
Directions / Ingredients
Serving Size
Consume 3g of L Arginine 30 minutes before training. A flat teaspoon is equal to approximately 3.3 grams of L Arginine.
L Arginine Directions
Combine powder with liquid and consume immediately.
Ingredients
100% Pharmaceutical Grade L Arginine.
Storage
Keep package well sealed, store away from moisture, light and heat.
Product FAQs
How does L Arginine taste?
L Arginine is unflavoured and is generally considered to be bitter.
What is L Arginine made from?
L Arginine is derived from starches.
How is L Arginine packaged?
Bulk Nutrients' L Arginine is packaged in resealable 250g pouches.
Where is this product made?
We blend and package all our products in our own manufacturing facility here in Australia. We source our pharmaceutical grade amino acids from China, as do 99% of all supplement companies. See here for further information.
Nutrition Panels
| L ARGININE NUTRITION INFORMATION | ||
|---|---|---|
| Servings per 250g package: 83Servings size: 3000mg | ||
| Average Quantity Per Serving | Average Quantity Per 100g | |
| Energy (kj) | 51 | 1,700 |
| Protein (g) | 3 | 100 |
| Fats (g) | 0 | 0 |
| (saturated) (g) | 0 | 0 |
| Carbohydrates (g) | 0 | 0 |
| (sugars) (g) | 0 | 0 |
| Sodium (mg) | 0 | 0 |
| L Arginine (mg) | 3,000 | 100,000 |
Reviews
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What Our Customers Are Saying
Customers generally viewed the L-Arginine powder positively, frequently praising its easy mixing, lack of grittiness, value for money and prompt delivery. Many said it was a useful addition to their workout routine, often combined with creatine, citrulline, BCAAs or flavoured drinks, and described feeling better supported during training. The main criticism was its strong, bitter or unpleasant taste, with a few reviewers also noting a distinctive smell or some settling after mixing.
For Anxiety + Lysine
luke h on 21/08/2026Verified buyer
1.3g's of Both Arginine and Lysine twice a day have been shown to blunt cortisol spikes which lead to Anxiety... this combo has Truly Helped me!
Fantastic Product
Guy S on 16/08/2026Verified buyer
The L Argenine has definitely given me a boost. Mainly seems to help with endurance and energy.
Bruce
Bruce M on 27/07/2026Verified buyer
Really great product that helps my heart strength and great efficiency from this company.
Good results
Peter E on 25/07/2026Verified buyer
Great product. Can definitely see veins are fuller and the blood is pumping. The taste is…. Not the best…. But the results are what really matters.
Mr
BRUCE W on 07/07/2026Verified buyer
Since using L'arginine before workout, my leg strength has increased remarkably. I do mainly leg ups with a kettle bell and I have increased strength over last three weeks. It's easy to drink and I'm impressed with it.
Better pumps
Sattar S on 16/06/2026Verified buyer
Bulk Nutrients L Arginine has been a reliable and effective addition to my supplement routine. The powder mixes easily with water and has a clean neutral taste that makes it simple to take before training. I have noticed better muscle pumps and improved workout endurance which helps sessions feel more focused and productive. The pharmaceutical grade quality and single ingredient formula are reassuring and show a clear focus on purity. It feels like an honest well made product that supports performance without unnecessary extras and I would confidently recommend it.
Great Product
KAREN H on 29/05/2026Verified buyer
Handy if you need a little help getting thru your workout
Does the job
Marcin M on 27/05/2026Verified buyer
Solid basic pump supplement. Nothing fancy, but it does the job if you want a simple pre-workout boost.
Feel the pump
matthew t on 26/03/2026Verified buyer
Feel the pump
Pump juice
Josh B on 21/03/2026Verified buyer
Great addition to your pre workout for that extra juicy pump
L Arginine
4.63 from 246



Product Overview
Your muscles will enjoy the feeling of fullness with L Arginine, a non-essential amino acid naturally found in red meat, fish and dairy.
Taste
Mixability
Effectiveness
Value for Money
Lactose Free
Gluten Free Ingredients
Vegetarian
Vegan
Rewards & Easy Instalments
Point Rewards
or register an account to earn 57 points when you purchase L Arginine.
When you reach the Bronze tier, you'll earn 76 points, at the Silver tier earn 95, and 114 points on the Gold Tier. Find out more.
Pay in 4 Payments
For bigger orders over $100 AUD, choose to pay with AfterPay or PayPal Pay in 4. Find out more.
Availability & Shipping
Flat rate $9 shipping Australia-wide. Orders up to 3.5kg ship Express Post, over 3.5kg ship Parcel Post.
Multibuy Discounts
Save on L Arginine with multibuy discounts. Add 2 or more bags to your cart and start saving.
Price Per Bag
- 250g = $19.00
- 500g (2 x 250g) bags = $18.00 each
- 1kg (4 x 250g) bags = $17.25 each
