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  • Scivation Xtend vs BSN Amino X

    Amino acids are no longer a luxury supplement. If you look around the gym, most people will be drinking a brightly coloured powder that is more likely than not an amino acid-based supplement. The benefits of amino acids during your workout are numerous. When taken as directed, amino acids may be able to boost your recovery, trigger protein synthesis, and protect muscle from breakdown. Not every amino acid supplement is created equal. We reviewed two of the biggest amino acid supplement brands in the industry to determine which one was worth the buy.

     

    Scivation Xtend

    Where can I buy it?

     

    Pros of Scivation Xtend:

    Scivation Xtend gives you 7 grams of essential amino acids at a 2:1:1 ratio. That means you're getting the following breakdown:

     

    • L-Leucine 3,500mg
    • L-Isoleucine 1,750mg
    • L-Valine 1,750mg

     

    They even throw in 2,500mg of L-Glutamine, which is half the recommended dose but still a nice addition to a BCAA supplement. L-Glutamine may help to support fitness goals through enhanced recovery.

     

    The 2:1:1 ratio you have with Xtend is the ideal dose as demonstrated in multiple studies. Taken as directed, these amino acids may help to protect muscle mass, boost protein synthesis, and support recovery. (1-6)

     

    Last but not least, Xtend throws in Citrulline Malate, which may help to boost your energy on a ceullar level, thereby promoting fat burning.

     

    Cons of Scivation Xtend:

     There isn't much that could be considered a problem with Xtend. Sure, it has artificial flavours and colouring but so do 99% of the supplements out there. The only other potential issue is a lack of broad spectrum amino acids; however, keep in mind that Xtend specifically offers the essential amino acids. If you want a more broad spectrum amino acid supplement, you're better off taking a shot of protein.

     

    BSN Amino X

    Where can I buy it?

     

    Pros of BSN Amino X:

    BSN Amino X offers 10 grams of BCAAs per serving. That's 10 TOTAL grams of the following:

     

    • L-Leucine
    • L-Valine
    • L-Isoleucine
    • L-Alanine
    • Micronized Taurine
    • Micronized L-Citrulline

     

    As we mentioned above, those essential amino acids are going to play a helping role in boosting your ability to build muscle and protect current levels of muscle mass. They will also help with recovery, ensuring you can get back into the gym faster. The addition of Vitamin D makes Amino X a very competitive and forward-thinking supplement, especially when it comes to giving the muscles what they need to recover and grow.

     

    Cons of BSN Amino X:

    Our biggest issue with Amino X is that it is a proprietary blend. Sure, you're getting 10 grams of amino acids but you don't know the exact amount. This is important information as most studies are based on a very specific 2:1:1 ratio of the essential amino acids L-Leucine, L-Valine, and L-Isoleucine.

    With that said, seeing as how you're getting 10 grams worth of amino acids and the three most important ones are at the top of blend list, we would say it's safe to assume you're getting that ideal dosage.

     

    Conclusion

    It's nearly impossible to choose between these two amazing brands. With price aside, if we had to pick one, we would go with Amino X from BSN.

    Sure, Amino X may use a proprietary blend but if you look at the amino acids listed, there is a really good chance that you're getting the ideal dosage. We also like the addition of the other aminos along with Vitamin D as this makes for a better recovery supplement.

    Again, Xtend from Scivation isn't a bad supplement. In fact, it's a terrific supplement. If you can, buy both and see which one you see the better results with.

     

    References

    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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