L-Leucine
L-Leucine 454 g

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L-Leucine

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L-Leucine Powder is a very anabolic essential amino acid supplement that helps to stimulate protein synthesis. This allows the body to synthesize protein at a higher rate which in turn will help you to increase muscle mass. Aside from increasing muscle size, another main benefit is that it helps to increase natural energy levels in the body. Read the full product description for more information.


Contents

What is L-Leucine?

L-Leucine is an essential amino acid, which means that, due to the fact that it is essential, the body needs it, but cannot synthesize it by itself, meaning it has to come from a dietary source, which in this instance, is a supplement. Studies have found that Leucine helps to trigger protein synthesis, making it essential for the growth and repair of muscle tissues. Leucine however, also helps the muscles to generate more energy, which means that they work harder than usual, and you will therefore be able to get more muscle built and have a more productive workout in the gym. Leucine is actually one of three Branch Chain Amino Acids, or BCAAs, for short, and is vital for protein synthesis, making it a very beneficial post-workout supplement.

How does it work?

Leucine works by activating a primary muscle building anabolic pathway known as mTOR, which functions almost like a sensor for amino acids, within muscle cells. mTOR is very sensitive to leucine, and as a result, if leucine levels are low, this forces the mTOR to signal to the cells and tell them that not enough leucine is present to allow the body to synthesize new proteins. Put simply, low leucine levels result in less protein synthesis taking place, so less muscle can be built.

What are the main benefits of Leucine?

Some of the main benefits associated with Leucine supplementation, include the following:

Increased muscle mass

As mentioned previously, Leucine helps to stimulate protein synthesis, making it an extremely anabolic supplement. The higher the rate of protein synthesis, the more muscle proteins the body will be able to synthesize, meaning the more muscle you will be able to build.

Increased energy production

As well as helping to stimulate protein synthesis, Leucine has also been found to help increase natural energy levels within a person, making it ideal for individuals looking to stay active and get the most out of their workouts. The more energy they have, they more productive their workouts will become, making it a win-win.

Fat loss

On top of the aforementioned benefits, experts have also found that Leucine can help to boost a person’s metabolism and can therefore help them to burn off more calories and lose weight. This increase in energy means that not only are you burning more calories and converting them into energy, but the extra energy is also allowing you to push yourself harder than usual, meaning that you will burn even more calories.

Other benefits include:

  • Increased muscle mass
  • Increased strength and power
  • Increased energy levels and endurance
  • Increased rates of weight loss
  • Improved post-workout recovery
  • Reduced LDL cholesterol levels
  • Reduced blood pressure levels
  • Improved immune system function
  • And more...

How and when should it be consumed?

Health Canada Recommended Dose (powder): Scoop size: 1.5 g. Adults: 1 Scoop(s) 1 time(s) per day. Mix product well in 1-2 cups of liquid (water, juice, etc.) immediately before consumption. Store in a cool, dry place.

Leucine VS BCAAs

Leucine is one of three BCAAs, the other two being: Valine, and Isoleucine, and so for that reason, you may simply wonder why people don’t just consume BCAA supplements instead of leucine by itself. Well, the main reason for this is that the concentrations of leucine in BCAA supplements, are obviously dulled down because of the other two amino acids, so the effects of leucine will be less pronounced.

What can you stack it with?

As leucine provides such amazing anabolic benefits in terms of muscle growth and repair, naturally, a great deal of bodybuilders often include leucine as part of their muscle-building supplement stacks. It stacks extremely well with supplements including: Creatine Monohydrate, whey protein, L-Glutamine, and Dextrose. Some people will also include it with BCAAs, providing they sip on their BCAAs during their workouts. Combining BCAAs and leucine together at the same time, will basically be a waste of leucine.

L-Leucine Ingredients

Per Scoop

Medicinal Ingredients (per scoop): L-Leucine .......................... 1.5 Grams
Non-Medicinal Ingredients: none.

Potential side effects

Like all supplements, always make sure you speak to your doctor and let them know if you plan on taking any new supplements. As not enough is known about the safety of leucine supplements, pregnant and breastfeeding women should not use leucine. Leucine is generally considered a very safe and natural supplement, although some users have reported very mild side effects, including the following:

  • Mild B vitamin deficiencies
  • Increased insulin secretions
  • Slight headache
  • Slight nausea and stomach discomfort

Cautions and Warnings

Ensure to drink enough fluid before, during, and after exercise. If you are pregnant or breastfeeding, consult a healthcare practitioner before using this product.

Allergen warnings

Allergy Statement: This product is made in a facility that handles milk products, gluten, shellfish, soy, peanuts and other tree nuts.

Disclaimer: The above description does not constitute medical advice and is for informational purposes only and has not been evaluated by Health Canada, CFIA, or FDA. Please consult a properly licensed medical professional before consuming nutritional supplements. This product is not intended to treat, diagnose or cure any disease.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Customer Reviews

Based on 61 reviews
95%
(58)
5%
(3)
0%
(0)
0%
(0)
0%
(0)
J
Justin Mireau
L-Leucine

Great product. I put 1 scoop 1.5 grams L-Leucine in 25 grams of Whey to increase the L-Leucine content. This turns on mTOR which gets anabolism started. Already noticing an increase in muscle.

S
Susan Stewart
Preserves Muscle Mass in Older Adults

Lots of research supports supplementation with L-Leucine in older adults for the purpose of preserving muscle mass. Very happy with the quality and powder form available from Canadian Protein.

A
Anna Polachowska

L-Leucine

B
Brooke

Idk if it’s working yet but we’ll see

D
Dmitri Jitnikovitch

L-Leucine

Workout supplement

Athletic support

Source of (an) essential amino acid(s) for the maintenance of good health.

Source of (an) (essential) amino acid(s) involved in muscle protein synthesis.

Assists in the building of lean muscle [tissue/mass] when combined with regular [weight/resistance] training and a healthy balanced diet

Adults: Scoop size: 1.5 g. 1 Scoop(s) 1 time(s) per day

Mix product well in 1-2 cups of liquid (water, juice, etc.) immediately before consumption.

Store in a cool, dry place.

Ingredients for Powder - 454 g (1 lb)

L-Leucine .......................... 1.5 Grams

Nutrition Facts

Serving Size 1.5 g

Amount Per Serving
Calories 0 Calories from Fat 0
% Daily Value*
Total Fat 0g 0%
Saturated Fat 0g 0%
Unsaturated Fat 0g
Trans Fat g 0%
Cholesterol 0mg 0%
Sodium 0mg 0%
Total Carbohydrate 0g 0%
Dietary Fiber 0g 0%
Sugars 0g
Protein 0g

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs:

Calories: 2,000 2,500
Total Fat Less than 65g 80g
Saturated Fat Less than 20g 25g
Cholesterol Less than 300mg 300 mg
Sodium Less than 2,400mg 2,400mg
Total Carbohydrate 300g 375g
Dietary Fiber 25g 30g

Calories per gram:

Fat 9 • Carbohydrate 4 • Protein 4

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Customer Reviews

Based on 61 reviews
95%
(58)
5%
(3)
0%
(0)
0%
(0)
0%
(0)
J
Justin Mireau
L-Leucine

Great product. I put 1 scoop 1.5 grams L-Leucine in 25 grams of Whey to increase the L-Leucine content. This turns on mTOR which gets anabolism started. Already noticing an increase in muscle.

S
Susan Stewart
Preserves Muscle Mass in Older Adults

Lots of research supports supplementation with L-Leucine in older adults for the purpose of preserving muscle mass. Very happy with the quality and powder form available from Canadian Protein.

A
Anna Polachowska

L-Leucine

B
Brooke

Idk if it’s working yet but we’ll see

D
Dmitri Jitnikovitch

L-Leucine