Overall Rating
4.6 out of 5 stars
Reviews (42)
Verified Buyers (37)
Review Graph
  • 5 star
    72%

  • 4 star
    17%

  • 3 star
    5%

  • 2 star
    3%

  • 1 star
    3%

Top Rated Flavors
  • Extreme Juice Watermelon (5/5)
  • Blue Yasberry (4.8/5)
  • Orange Dreamsicle (4.7/5)
  • Twister Pop (4.6/5)
  • Red Berry Candy (4.1/5)
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  • All Reviews (41)
  • Verified Buyers (37)
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Mario F
Verified Buyer
Tastes great and works very well. Overall a good pre workout product*
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2023-04-28 15:16:17Z
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Wilson R
Verified Buyer
Like Milos Sarcev said, intra workout nutrition is extremely important. Opus is epic in this area.*
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2023-03-24 02:08:32Z
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  • Twister Pop
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Erik B
Build Muscle
Verified Buyer
This stuff mixes well and tastes great. Make a difference in your workout routine from start to finish.*
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2023-03-13 12:32:22Z
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  • Red Berry Candy
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Dustin W
Build Muscle
Verified Buyer
A decent overall product. So far I have enjoyed using it. Price was cheap*
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2023-03-03 16:49:21Z
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Carlos S
Verified Buyer
Good product i recomend intraworkout tobtrain better and better*
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2023-02-28 03:04:10Z
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Timothy W
Verified Buyer
Like this stuff but the tate is kind of odd. Almost fizzy, but that's ok.*
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2023-02-26 01:57:23Z
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Melissa B
Build Muscle
Verified Buyer
No problems with it so I like it. I thought it was a pre workout but its more a intra workout.*
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2023-02-20 15:02:26Z
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Christian L
Verified Buyer
Great product, I love it before doing cardio/ run, as I can run faster and longer on the threadmil, help also for recovery*
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2023-02-11 21:04:54Z
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janko s
Verified Buyer
Pleasantly surprised with this one. Good tasting and helps get through the long workouts. excellent product*
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2023-02-05 20:53:50Z
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  • Red Berry Candy
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JACOB C
Build Muscle
Verified Buyer
Funky taste, zero benefits. Total waste of money. Last time I buy anything from this company*
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2023-02-03 02:25:07Z
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Allen W
Build Muscle
Verified Buyer
Pleasantly surprised with this one.  Good tasting and helps get through the long workouts. ( or any workout using 3xt preworkout, see that review) will definitely buy again. *
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2023-01-23 22:53:27Z
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  • Twister Pop
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Shane J
Burn Fat
Verified Buyer
First time purchasing this product. My son loves the taste so we'll probably buy again,*
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2023-01-18 04:04:01Z
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  • Red Berry Candy
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Juan F
Increase Strength
Verified Buyer
Absolutely love this product. Although I already take preworkout. , this gives my workout a huge kick and I go on overdrive!! Be careful though and start with 1 scoop if you are already taking a strong preworkout. However, this may be enough on its own. Nevertheless, YOU WILL feel the difference.*
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2023-01-17 06:55:21Z
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I Gusti A
Verified Buyer
The best intra workout supplements by Magnum, will buy again Bogo..*
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2022-12-18 05:12:11Z
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  • Red Berry Candy
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Gene K
Verified Buyer
Love it. I don't get jitters with it. this is the only product I use.*
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2022-10-23 01:18:36Z
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  • Extreme Juice Watermelon
  • Red Berry Candy
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Vikas K
Build Muscle
Verified Buyer
The best BCAA I have used so far. Lots of energy and kick. Gonna use it forever.*
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2022-03-21 15:48:05Z
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  • Twister Pop
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Patrick M
Verified Buyer
Good flavor. Seems to give me solid energy during workouts!*
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2022-01-20 22:10:15Z
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  • Extreme Juice Watermelon
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Vaughn E
Transformation
Verified Buyer
This intro work out really works I feel like during my workouts I get the beta alanine tingle and I can feel more energy to push harder I recommend this product to anyone looking to put on good Muscles *
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2021-11-24 02:05:01Z
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  • Red Berry Candy
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Olivier J
Verified Buyer
This dissolves well and does the job. For sensitive palates the flavor can be intense but if you're like me and taste doesn't matter just function it's a good choice.*
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2021-09-22 19:52:17Z
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  • Twister Pop
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Filip V
Burn Fat
Verified Buyer
The twister pop flavour is delicious. I like the fact that is is stimulant-free so I can use it during my late night workouts.*
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2021-08-08 18:28:14Z
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BlindSlug
Verified Buyer
This was my 1st Magnum Nutraceuticals product I ever tried and I can't live without it!*
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2021-07-02 14:38:20Z
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  • Red Berry Candy
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Vaughn E
Transformation
Verified Buyer
I bought three other things with this purchase and this was the only thing that was worth purchasing the other three items were worthless this is a good intro workout gives you a little bit of boost of energy to get through the workout gives you a little bit of the tingles the good overall product*
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2021-02-07 10:57:49Z
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  • Red Berry Candy
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Ann S
Increase Strength
Verified Buyer
I  use this product together with Fasted Cardio as Opus is a non- stimulant. They work great together!!*
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2021-02-06 22:46:05Z
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Bushra A
Verified Buyer
Opus helps with Gigi big more energy when ever I needed and with recovering my muscles!!*
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2021-02-05 22:21:49Z
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Bushra A
Verified Buyer
Love it*
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2020-09-18 02:41:18Z
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  • Red Berry Candy
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Kimberly S
Verified Buyer
Great energy source; the taste is great as well! *
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2020-09-15 01:04:30Z
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Bushra A
Verified Buyer
Love this helps me recover faster *
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2020-09-14 01:31:05Z
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Jason E
Verified Buyer
Not the best flavor which really takes away from it. But aside from that, does its job*
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2020-09-07 23:52:49Z
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Brian L
Verified Buyer
good flavor, nice boost from a non stimulant product*
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2020-08-26 16:53:35Z
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Christopher P
Verified Buyer
Too sweet for my taste buds. Won’t be buying it again*
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2020-08-20 15:47:14Z
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Randy S
Verified Buyer
Mixes well and has a good flavor.*
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2020-05-26 15:36:34Z
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vladimir Ch
Build Muscle
This is normal intra- workout, do not expect anything special, you need 2-3 tablespoons so that it starts to work.*
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2020-03-11 14:29:45Z
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vladimir Ch
Build Muscle
This is normal intra- workout, do not expect anything special, you need 2-3 tablespoons so that it starts to work.*
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2020-03-11 14:27:17Z
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Caroline D
Verified Buyer
Perfect when working out early and no time for breakfast. Less muscles break down and good energy. *
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2020-01-26 16:18:26Z
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  • Twister Pop
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BlindSlug
Verified Buyer
I have tried many intra workout products, but this is hands down my favorite. When I'm working out this is my go to drink. And it gives a good boost of energy for times when I dont do any stimulants.*
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2019-09-26 14:10:58Z
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  • Blue Yasberry
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Sam B
Verified Buyer
Very good product. One of the best.*
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2019-01-27 17:50:58Z
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  • Blue Yasberry
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Sam B
Verified Buyer
love the flavor of this product*
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2018-12-18 16:09:35Z
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  • Blue Yasberry
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kaushalya H
Build Muscle
Verified Buyer
excellent product for intra workout*
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2018-08-07 16:05:27Z
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  • Orange Dreamsicle
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Kara M
Transformation
Verified Buyer
I love Opus for nonstim energy! It's perfect at any time of the day*
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2018-06-22 17:12:37Z
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  • Orange Dreamsicle
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Ethan D
I am taking a stim break after my show and so I decided to try out Opus for my pre workout. Its done a great job of giving a solid pump and helps me fight fatigue during the workout. Tastes pretty good but you definitely can feel the beta alanine as it hits your tongue.*
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2018-05-22 01:14:24Z
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  • Orange Dreamsicle
  • Blue Yasberry
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Craig H
Opus is truly an amazing intra-workout. It gives you tons of energy with having any atoms if your body is sensitive to that. Both flavors are great!!!!*
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2018-05-07 23:38:50Z
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* Muscle & Strength does not imply any medical claims from this review. There are no guarantees of specific results and results may vary.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.