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Product Rating

Overall: 8.7/10
Effectiveness: 8.8/10
Value: 7.8/10
#Reviews: 4

Flavour Rating

Overall: 8.5/10
Blue Raspberry: 8.0/10
Watermelon: 9.0/10

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Precision Mettle

Vitamart Price:  $44.99
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Precision Mettle
Precision Mettle

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Whey Gourmet

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Precision Mettle

The Basics of Precision Mettle

  • The Ultimate Intraworkout
  • Optimizer*
  • 10 g of BCAAs per serving
  • 6 pH and pathway nutrients
  • Fully instantized & sugar free

Precision Mettle and the importance of BCAA’s

What are BCAA’s?

Amino acids, as you probably know are the building blocks of protein, which in turn are the building blocks of muscle. Research has revealed that certain amino acids – specifically, the branched-chain amino acids (BCAA’s) maintain your muscle mass and strength during times of physical stress and intense workouts, all while preventing fatigue during exercise. The BCAA’s: leucine, isoleucine and valine, are three essential amino acids. The ‘branched chain’ designation refers to their unique chemical structure. The ‘essential’ terminology indicates that your body cannot make them, so they must be obtained from the diet. The combination of these three BCAA’s makes up approximately 1/3 of skeletal muscle in the human body.

What do BCAA’s inside Precision Mettle do?

The BCAAs are of special importance to any nutrition program because they are not broken down in the liver but rather by-pass the liver and are transported directly to the muscle. Once in the muscle they play a significant role in transforming the body into a muscle building factory by influencing various aspects of muscle metabolism. Aside from playing an important role in protein synthesis, the BCAAs provide extra energy during heavy lifting, help spare muscle tissue and fight mental brain drain as you battle through a workout. The BCAAs unlike many other amino acids can also be used as fuel, producing energy to support your muscles during prolonged, intense exercise.

How do BCAA’s in Mettle prevent muscle loss?

The BCAA’s reduce protein breakdown (catabolism), by stimulating the release of insulin. Insulin we know is an anabolic hormone usually associated with building various energy molecules in the body (glycogen and triglycerides). However, research has also shown that insulin plays a very important role in preventing the breakdown of muscle following periods of physical stress, such as after weight-lifting and running, thereby preserving muscle mass.

How do Precision's BCAA’s aid in muscle growth?

BCAA’s and particularly leucine, have anabolic (muscle-building) abilities by influencing various signalling cascades and chemical signals that activate protein synthesis. Through phosphorlyation of mTOR (a key regulator of cell growth and protein synthesis), the BCAAs transforms the body into a muscle building machine. In simple terms, the body is switched into an anabolic state, using available amino acids to build protein and hard dense muscle. Therefore, to obtain the greatest benefit from BCAA supplements you must ensure that you are obtaining enough protein from your diet to support your increased ability to grow.

How do BCAA’s in Precision Mettle aid in mental fatigue and performance?

BCAA’s are known to have a positive effect on mood and mental function in endurance athletes. Although limited, research supports the idea that the BCAA’s can decrease serotonin in the brain (serotonin can cause a sense of tiredness), thereby lowering mental fatigue and keeping one mentally sharp during prolonged endurance exercise.

Who should take branched chain amino acids?

Bodybuilders, athletes, weekend warriors who weight train regularly, and endurance athletes who regularly compete in aerobic events such as running, cycling or swimming will all benefit from supplementing with BCAA’s.

How much should I tae, when and how often?

BCAA’s can be taken at anytime during the day, the most beneficial time to take BCAA’s is directly before and during training. Taking 7-10 grams before, during and after strenuous workouts will produce beneficial long-term effects in the serious bodybuilder and athlete.

Precision Mettle Ingredients

  1. BCAAs (leucine, isoleucine, and valine,) in a 2:1:1 ratio to stimulate and support muscle protein synthesis and provide metabolic energy while you train.
  2. AjiPure Glutamine to promote muscle intracellular BCAA metabolism down the correct energy and protein synthesis pathways via the BCAA amino transferase enzyme.
  3. Citrulline to help facilitate rapid ATP turnover and lactate re-absorption to support higher training volumes at a given exercise intensity.
  4. CALCIUM ALPHA-KETOGLUTARATE, ZINC CITRATE and L-GLUTAMIC ACID – this trio of pathway nutrients amplifies the internal (endogenous) production of branch chain amino acids creating even greater anticatabolic activity.
  5. MAGNESIUM GLYCEROPHOSPHATE and CALCIUM GLYCEROPHOSPHATE – these pH adjusting co-factors buffer the impact of digestion and reduce gastric destruction. This allows Mettle to reach its destination


Results you can expect from using Mettle include:

  • Increased Exercise Training Volume
  • Increased Muscle Protein Synthesis
  • Reduced Muscle Protein Breakdown
  • Increased Muscular Endurance
  • Increased Energy & Endurance Capacity
  • Improved Blood Glucose Disposal & Insulin Response
  • Increased Power Output
  • Increased ATP Synthesis
  • Delayed Onset of Muscle Fatigue/Increased Time to Exhaustion
  • Improved Recovery
  • Improved Hydration

Precision Mettle Reviews*

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Product rating*

Product Rating: 8.7/10

Customer Reviews*

  • 8.8/10  Great Product

    By Kyle on Wednesday, March 19, 2014 08:47 AM

    Effectiveness: 9/10

    (+) Boosts Energy,Builds Muscle,Easy To Take,Quickens Recovery Time
    (-) Expensive

    How did you use it?:During Exercise

    "A Great product overall. I have recently purchased Mettle in order to give my body a break from pre-workouts. I don't like my body becoming used to all the caffeine in the pre, so I thought I would try this out. Overall, I was impressed! I had good focus, and within the first few days, I felt big pumps, and was able to get in the extra few sets. After the first few weeks, I was lifting noticeably more and could begin to see a slight difference in my appearance. I take protein after every workout too, and can normally determine when I will be sore the next day. Mettle definitely increased my recovery time, as my muscles just felt ready for more.

    I would buy this product again, and recommend it to anyone who is looking to increase strength and gains."

    Would you buy this product again? Yes

    Flavours Rating
    Blue Raspberry   9

    Was this review helpful?  Yes   No  

  • 8/10  Does the job!

    By Mike on Wednesday, March 19, 2014 07:26 AM

    Effectiveness: 8/10

    (+) Quickens Recovery Time,Tastes Great
    (-)  Complicated To Take

    How did you use it?:During Exercise

    "I use this when I exercise and don't want a lot of calories at the same time and it seems to work well for that. Using this seems to improve recovery time. The Watermelon flavour is great!

    One down-side is that it is very finely ground rather like icing sugar. This makes it messy to handle and more difficult to mix than powders that are slightly more coarse."

    Would you buy this product again? Yes

    Flavours Rating
    Watermelon   8
    Verified by Vitamart Purchaser

    Was this review helpful?  Yes   No  

  • 10/10  Good stuff

    By Glenn Blanco on Wednesday, March 19, 2014 02:30 AM

    Effectiveness: 10/10

    (+) Boosts Energy,Easy To Take,Good Value,Mixes Well,Quickens Recovery Time,Tastes Great

    How did you use it?:During Exercise

    "If you're looking for an awesome-tasting intraworkout drink, I definitely recommend this drink. It's helped me push myself more during workouts and recovering seem to be quicker (for me, anyway)."

    Would you buy this product again? Yes

    Flavours Rating
    Watermelon   10
    Verified by Vitamart Purchaser

    Was this review helpful?  Yes   No  

  • 7.8/10  Good intra-workout results, but...

    By Cody Sharpe on Saturday, June 29, 2013 11:18 AM

    Effectiveness: 8/10

    (+) Boosts Energy,First Dose Results,Mixes Well

    How did you use it?:During Exercise

    "This is the first intra-workout product I have used, and I was pleasantly surprised with the results. I deliberately saved my first use of it for a harder workout (two hours of weights, plus an hour of cycling) which I knew was typically challenging for me to complete. I started taking Mettle about halfway through the weight routine and found it immediately improved my recovery between sets. It also allowed me to sustain a greater power output over all the reps of a set, meaning I was lifting heavier for longer.

    However, I have experienced fewer benefits for my more typical workouts, where I am only lifting for an hour. This isn't particularly surprising, given the point of Mettle is to prevent the breakdown of proteins for energy, something which your body only starts doing after sustained and vigorous exertion. Given a serving of Mettle is about $2, I have started saving it for my longer workouts, and forgoing it during the typical ones."

    Would you buy this product again? Yes

    Flavours Rating
    Blue Raspberry   7
    Verified by Vitamart Purchaser

    Was this review helpful?  Yes   No  

*Review Disclaimer: Not everyone has these results. Product experiences vary from person to person. Please use these reviews for information only as they have not been reviewed by a medical professional. Do not substitute the informatioin in the reviews for advice from your physician or other health care professional or any information contained on or in any product label or packaging.

Suggested Use

Mix two scoops(18.8g) of Precision Mettle in 500ml of water. For best results consume during your workout. Shake vigorously.

Nutrition Facts
Serving Size: 18.8 g
Servings per Container: 21
Amount Per Serving
% Daily Value *
BCAAs/AACR 10 g  
L-Leucine [(S)-2-Amino-4-methylpentanoic Acid] 5 g  
L-Isoleucine [(2S,3S)-2-Amino-3-methylpentanoic Acid] 2.5 g  
L-Valine [(S)-2-Amino-3-Methylbutanoic Acid) 2.5 g  
AjiPure L-Glutamine [(S)-2,5-Diamino-5-oxopentanoic Acid] 2.5 g  
L-Citruline (S)-N5-Carbamoylomithine 1 g  
Calcium Alpha-Ketoglutarate 25 mg  
Zinc (Citrate) 5 mg  
NON-MEDICINAL Ingredients:    
Magnesium 25 mg  
Calcium 25 mg  
L-Glutamic Acid  25 mg  
* Percent daily values are based on a 2000 calorie diet
  † Daily Value not established
Note: Serving Sizes are rounded to the nearest whole serving

Additional Ingredients: Maltodextrin, Citric Acid, DL-Malic Acid, Sucralose, Acesulfame Potassium, Blue Raspberry Flavour, FD & C Blue No.1.

Allergy Information: n/a.

Warning: Consult a health care professional prior to use if you are pregnant or breastfeeding.

Product Disclaimer

The products and the claims made about specific products on or through this site have not been evaluated by or the Canadian Food and Drug Administration and are not approved to diagnose, treat, cure or prevent disease. The information provided on this site is for informational purposes only and is not intended as a substitute for advice from your physician or other health care professional or any information contained on or in any product label or packaging. You should consult with a healthcare professional before starting any diet, exercise or supplementation program, before taking any medication, or if you have or suspect you might have a health problem. is not responsible for any statements or claims that various manufacturers make about their products or the general information provided for each product on this website. We cannot be held responsible for typographical errors or product formulation changes. Please consult with your own physician or health care practitioner regarding the suggestions and recommendations made at and especially before using any product sold on this website.