L-Leucine: Fuel Your Muscles with Essential Amino Acid
At Bulk Nutrients, we understand the importance of fueling your body with the right nutrients to enhance your fitness journey. L-Leucine is one of the three branched-chain amino acids (BCAAs) and is classified as an essential amino acid, meaning it must be obtained through the diet. Found naturally in protein-rich foods, L-Leucine plays a role in muscle protein synthesis and is widely used in sports nutrition products.
Our L-Leucine is 100% pharmaceutical grade to deliver the highest quality and purity. With each serving, you'll experience the benefits of this essential amino acid without any unnecessary fillers or additives. We take pride in sourcing our ingredients from trusted suppliers to ensure the utmost efficacy and safety.
Product Description
Support muscle protein synthesis with L-Leucine
By incorporating L-Leucine into your routine, you're providing your muscles with an essential amino acid that plays a role in the formation of muscle proteins. Popular among heavy lifters, strength trainers and active individuals, L-Leucine is a convenient addition to a sports nutrition regimen.
Directions / Ingredients
L-Leucine Serving Size
Consume 2g (approximately 1 heaped standard teaspoon) of L-Leucine once or twice daily.
Directions
Combine powder with liquid and consume immediately.
Ingredients
100% Pharmaceutical Grade L-Leucine.
Storage
Keep package well sealed, store away from moisture, light and heat.
Further Reading
Product FAQs
How does it taste?
L-Leucine is unflavoured and is generally considered to be bitter.
What is L-Leucine made from?
This product is derived from starches.
How is Bulk Nutrients' L-Leucine packaged?
L-Leucine 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.
What other products does Bulk Nutrients stock which contain L-Leucine?
Lots! Browse all the products which contain L-Leucine through our Shop by Ingredient page.
Nutrition Panels
| L-LEUCINE NUTRITION INFORMATION | ||
|---|---|---|
| Servings per 250g package: 125Servings size: 2000mg | ||
| Average Quantity Per Serving | Average Quantity Per 100g | |
| Energy (kj) | 34 | 1,700 |
| Protein (g) | 2 | 100 |
| Fats (g) | 0 | 0 |
| (saturated) (g) | 0 | 0 |
| Carbohydrates (g) | 0 | 0 |
| (sugars) (g) | 0 | 0 |
| Sodium (mg) | 0 | 0 |
| L-Leucine (mg) | 2,000 | 100,000 |
Reviews
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What Our Customers Are Saying
Customers generally praised L-Leucine for its value, perceived quality and convenience when added to protein shakes, pre-workout blends or other supplements. Many reported perceived benefits for workout recovery, muscle development, energy and training performance, while others said it was too early to assess results. The main drawbacks were its bitter taste, strong smell and poor solubility, particularly in cold water. Flavoured drinks, smoothies or warm water were commonly suggested to improve palatability and mixing.
L-Leucine
4.68 from 149



Product Overview
L-Leucine is one of the three branched-chain amino acids (BCAAs) and is classified as an essential amino acid, meaning it must be obtained through the diet.
Taste
Mixability
Effectiveness
Value for Money
Lactose Free
Gluten Free Ingredients
Vegetarian
Vegan
Rewards & Easy Instalments
Point Rewards
or register an account to earn 60 points when you purchase L-Leucine.
When you reach the Bronze tier, you'll earn 80 points, at the Silver tier earn 100, and 120 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-Leucine with multibuy discounts. Add 2 or more bags to your cart and start saving.
Price Per Bag
- 250g = $20.00
- 500g (2 x 250g) bags = $18.00 each
- 1kg (4 x 250g) bags = $16.25 each






