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Product Review: Musashi Bulk Extreme Protein

For guys who have a difficult time putting on muscle, you've heard time and time again how calories make the difference between staying small and getting big. One of the easiest ways to get extra calories into your diet is through a weight gainer or bulking product. Musashi Bulk Extreme Protein is one of the most popular bulking agents in the industry. Let's take a look at Bulk Extreme to see if it's a worthwhile buy to get the mass you want.




At 50 grams of protein per serving, Musashi Bulk Extreme Protein definitely grabs your attention as a serious contender for an elite quality mass gainer. What's more, you'll be getting over 500 calories per serving, which is a big deal considering the amount of healthy food you'd have to eat to get that same amount if quite substantial.


The nice thing about the calories is that, while they are protein-forward, you also have an ideal blend of complex carbohydrates and healthy fats backing it up. Mass isn't ALL about protein. You need these extra calories in the form of fat and carbohydrates as well.


If you're using a mass gainer, you ideally should be hitting the gym hard. If this is the case (and it should be) then the protein found within Musashi Bulk Extreme Protein is going to set you straight. You're getting a mix of Instantised Whey Protein Concentrate with Whey Protein Isolate. This means you're getting an instant shot of muscle building amino acids. You're also getting extended release aminos as WPC takes longer to break down. Studies suggest that supplementing with protein, specifically amino acids, may help you recover faster, build more muscle, and protect the muscle you currently have. (1-6)




There are two main issues that we can foresee being a problem for some people when using Musashi Bulk Extreme Protein.


First up is the complex carbohydrate blend made primarily of maltodextrin. Maltodetrix is corn and so while it's technically a complex carbohydrate source, it's far from ideal. This may be a lifestyle and dietary preference than anything else.


Another dietary preference that may kick up some trouble will be when you see the addition of soy throughout. While it's in the form of an additive, you quickly see how many times soy pops up in the Musashi Bulk Extreme Protein formula. Again, this is entirely a lifestyle issue. If you're pro-soy, you will only rejoice. If you're on the other side of the coin, then you may not want to give this one a try.




We would prefer to see a more diverse blend of protein; however, even with that, Musashi Bulk Extreme Protein is still a great option for those hardgainers looking for extra quality calories, with an emphasis on protein. One of the best proteins to use for a bulking product would be Casein. If you buy Musashi Bulk Extreme Protein, you may want to pair it with a quality casein protein for an extended release of amino acids.


You're in luck! We have it on sale! Click here to buy Musashi Bulk Extreme Protein while it's on sale!


Want to know more about the Musashi brand? Want more flavour options? Click here to read more about Musashi Bulk Extreme Protein.




  1. Tsutsumi R, Tsutsumi YM. Peptides and proteins in whey and their benefits for human health. Austin J Nutri Food Sci 2014;1(1): 1002


  1. Blomstrand E, Eliasson J, Karlsson HK, Köhnke R. Branched-chain amino acids activate key enzymes in protein synthesis after physical exercise. J Nutr. 2006 Jan;136(1 Suppl):269S-73S.


  1. Norton, Layne, Layman, Donald. Leucine Regulates Translation Initiation of Protein Synthesis in Skeletal Muscle after Exercise. J. Nutr. February 2006 vol. 136 no. 2 533S-537S.


  1. Negro M, Giardina S, Marzani B, Marzatico F. Branched-chain amino acid supplementation does not enhance athletic performance but affects muscle recovery and the immune system. J Sports Med Phys Fitness. 2008 Sep;48(3):347-51.


  1. Mourier A, Bigard AX, de Kerviler E, Roger B, Legrand H, Guezennec CY. Combined effects of caloric restriction and branched-chain amino acid supplementation on body composition and exercise performance in elite wrestlers. Int J Sports Med. 1997 Jan;18(1):47-55.


  1. De Lorenzo A, Petroni ML, Masala S, Melchiorri G, Pietrantuono M, Perriello G, Andreoli A. Effect of acute and chronic branched-chain amino acids on energy metabolism and muscle performance. Diabetes Nutr Metab. 2003 Oct-Dec;16(5-6):291-7.
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