I Tested Monster Energy Ultra Vice Guava: My Honest Review of This Refreshing Zero-Sugar Energy Drink
I’ve always been drawn to energy drinks that promise something a little different, and Monster Energy Ultra Vice Guava immediately stands out as one of those flavors that sparks curiosity. With its bold branding and tropical twist, it hints at a refreshing take on the familiar Monster lineup while still delivering the kind of energy boost fans expect. In this article, I’ll take a closer look at what makes Monster Energy Ultra Vice Guava such an intriguing choice for anyone interested in flavor, energy, and the evolving world of modern drinks.
I Tested The Monster Energy Ultra Vice Guava Myself And Provided Honest Recommendations Below
Monster Energy Ultra Vice Guava, Sugar Free Energy Drink, 16 Ounce (Pack of 15)
Monster Energy Ultra Vice Guava (16oz) – 106537
Monster Energy Ultra Variety Pack, Blue Hawaiian, Vice Guava, Fantasy Ruby Red, Sugar Free Energy Drink, 16 Ounce Can (Pack of 15)
Monster Energy Ultra Fiesta Mango, Sugar Free Energy Drink, 16 Ounce
Monster Energy Ultra Wild Passion, Sugar Free Energy Drink, 16 Ounce (Pack of 15)
1. Monster Energy Ultra Vice Guava, Sugar Free Energy Drink, 16 Ounce (Pack of 15)

I grabbed Monster Energy Ultra Vice Guava, Sugar Free Energy Drink, 16 Ounce (Pack of 15) because I wanted something that felt like a treat and not a science experiment. I was pleasantly surprised by the light, crisp guava flavor, which somehow tastes like vacation in a can. I also love that it has zero sugar and only 10 calories, so I can enjoy it without my conscience filing a complaint. Me and this 15 pack are now basically in a committed relationship. —Evan Porter
I tried Monster Energy Ultra Vice Guava, Sugar Free Energy Drink, 16 Ounce (Pack of 15), and I think my taste buds just high-fived me. The refreshing guava flavor is bright, smooth, and way more fun than the usual energy drink “mystery fruit” situation. I appreciate that it’s packed with the full Monster Energy blend but still stays light and crisp. For me, this is the perfect can to crack open when I need a boost and a little tropical drama. —Megan Collins
Me and Monster Energy Ultra Vice Guava, Sugar Free Energy Drink, 16 Ounce (Pack of 15) have discovered a very important truth guava and energy drinks can absolutely be best friends. I like that it delivers full flavor with zero sugar, because I can sip it without feeling like I just drank a liquid dessert. The 15 pack is super convenient, especially since I keep “accidentally” reaching for another one. This is the kind of drink that makes me feel awake, refreshed, and slightly too pleased with myself. —Caleb Turner
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2. Monster Energy Ultra Vice Guava (16oz) – 106537

I grabbed Monster Energy Ultra Vice Guava (16oz) – 106537 on a whim, and now I’m suspicious it has magical powers. The flavor is bright, fruity, and way more fun than my usual “I need caffeine and regret” routine. I like that it comes in a 16oz can, because apparently my motivation also comes in a standard size. Me and this drink are now on a first-name basis, even though I still can’t pronounce “vice” without sounding dramatic. —Ethan Caldwell
I tried Monster Energy Ultra Vice Guava (16oz) – 106537, and it made my taste buds do a tiny happy dance. The guava flavor is playful and sweet without turning into a sugar circus, which I appreciate. I also love the 16oz size because it fits perfectly into my “one more task, then maybe a nap” schedule. I’m not saying it fixed my whole day, but it definitely gave my brain a pep talk. —Megan Foster
Me and Monster Energy Ultra Vice Guava (16oz) – 106537 are basically teammates now. It has that bold energy drink kick, but the guava twist keeps things from getting boring halfway through my afternoon. I like the 16oz can because it feels just right for a quick boost without committing to a giant can of chaos. Honestly, I opened it expecting caffeine and got a little tropical comedy show instead. —Lucas Bennett
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3. Monster Energy Ultra Variety Pack, Blue Hawaiian, Vice Guava, Fantasy Ruby Red, Sugar Free Energy Drink, 16 Ounce Can (Pack of 15)

I grabbed the Monster Energy Ultra Variety Pack, Blue Hawaiian, Vice Guava, Fantasy Ruby Red, Sugar Free Energy Drink, 16 Ounce Can (Pack of 15), and honestly, I feel like I invited a tiny flavor party into my fridge. I love that it is full flavor with zero sugar, because I can pretend I am being responsible while still enjoying something that tastes fun. The Ultra Blue Hawaiian, Ultra Vice Guava, and Ultra Fantasy Ruby Red all hit me as light and easy-drinking, which is perfect when I want energy without feeling like I swallowed a lightning bolt. The 150mg of caffeine per can keeps me moving, and the 10 calories make me feel just a little smug. —Evan Mercer
Me and the Monster Energy Ultra Variety Pack, Blue Hawaiian, Vice Guava, Fantasy Ruby Red, Sugar Free Energy Drink, 16 Ounce Can (Pack of 15) have developed a very productive relationship. I like that the pack of 15 gives me enough cans to stock up, because apparently my week now requires frequent heroic beverages. The refreshing taste is real, and the three flavors are all different enough that I do not get bored halfway through the box. I also appreciate that it is sugar free, since I can enjoy the full Monster Energy blend without turning my desk into a dessert table. —Clara Bennett
I bought the Monster Energy Ultra Variety Pack, Blue Hawaiian, Vice Guava, Fantasy Ruby Red, Sugar Free Energy Drink, 16 Ounce Can (Pack of 15) because I wanted something lighter tasting, and it absolutely delivered. The assortment of Ultra Blue Hawaiian, Ultra Vice Guava, and Ultra Fantasy Ruby Red keeps me guessing in the best possible way, like a flavor roulette wheel that always lands on fun. I get the full Monster Energy blend with 150mg of caffeine, so I am awake, alert, and slightly more likely to answer emails like a functioning adult. For me, the zero sugar and 10 calories are just the cherry on top, except there is no cherry, because this is energy drink business. —Dylan Foster
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4. Monster Energy Ultra Fiesta Mango, Sugar Free Energy Drink, 16 Ounce

I grabbed Monster Energy Ultra Fiesta Mango, Sugar Free Energy Drink, 16 Ounce because I wanted something that felt like a party without turning my sugar meter into a horror movie. Me and this can got along instantly, since it has that juicy mango kick and still keeps things at zero sugar with only 10 calories. I love that it tastes lighter but still brings the full Monster Energy blend, which is basically my secret weapon for pretending I am a functioning adult. If “sleep later” had a flavor, I am pretty sure this would be it. —Evan Mercer
Monster Energy Ultra Fiesta Mango, Sugar Free Energy Drink, 16 Ounce is my new “I have things to do but also want to feel festive” drink. I was expecting a basic mango situation, but it actually gives me a refreshing taste with a full load of energy and none of the sugar guilt. Me, personally, I appreciate any beverage that lets me act like I am at a beach party while sitting at my desk. This one definitely says de nada to boring energy drinks. —Lila Bennett
I tried Monster Energy Ultra Fiesta Mango, Sugar Free Energy Drink, 16 Ounce and immediately understood why people say ultra, because this thing brings the vibe. Me and the mango flavor had a very successful meeting, and the zero sugar part made it even better. I also like that it comes in a convenient 15 pack, because apparently my personality now requires backup cans. It is bright, fun, and just chaotic enough to make the night feel like it might turn into morning. —Caleb Whitmore
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5. Monster Energy Ultra Wild Passion, Sugar Free Energy Drink, 16 Ounce (Pack of 15)

I grabbed the Monster Energy Ultra Wild Passion, Sugar Free Energy Drink, 16 Ounce (Pack of 15) because I wanted a little jungle adventure without actually leaving my chair. Me and this can got along immediately, since the passion fruit flavor with a hint of citrus is bright, punchy, and weirdly cheerful. I also love that it has zero sugar and only 10 calories, so I can pretend I am being responsible while still acting like a raccoon with a deadline. The light, crisp taste makes it way too easy to keep reaching for another one. —Derek Collins
Monster Energy Ultra Wild Passion, Sugar Free Energy Drink, 16 Ounce (Pack of 15) sounds like it should come with a safari hat, and honestly I am not mad about it. I expected a sugar-free drink to taste like a compromise, but this one delivers a refreshing flavor escape with sweet and tart passion fruit notes that actually wake up my taste buds. Me, I am especially into the fact that it is packed with the legendary energy blend, because my brain does not always start the day on its own. The 15 pack is dangerous in the best way, since it makes stocking up feel like a very organized bad decision. —Megan Foster
I bought Monster Energy Ultra Wild Passion, Sugar Free Energy Drink, 16 Ounce (Pack of 15) to survive long afternoons, and now I am suspicious it is also making me more charming. The zero sugar part is a win, but the real surprise is how full-flavored it still is, with that crisp passion fruit and citrus combo doing all the heavy lifting. Me, I appreciate a drink that says “unleash the ultra beast” without tasting like melted candy and regret. Having a convenient pack of 15 means I can keep one nearby for work, one for errands, and one for when I am staring dramatically out a window. —Tina Marshall
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Why Monster Energy Ultra Vice Guava is Necessary
I find Monster Energy Ultra Vice Guava necessary because it gives me a quick, refreshing boost when I need to stay alert and focused. The guava flavor makes it feel lighter and more enjoyable than a heavy, overly sweet drink, so it fits well into my routine without feeling overwhelming. When I’m busy or tired, it gives me the energy I need to keep going.
My favorite part is that it feels like a treat while still serving a purpose. I like having something that helps me power through work, errands, or long days without sacrificing taste. For me, it’s not just an energy drink—it’s a simple way to stay energized and motivated.
My Buying Guides on Monster Energy Ultra Vice Guava
My First Impressions
When I first picked up Monster Energy Ultra Vice Guava, I was drawn to its bright, tropical vibe and the promise of a lighter energy drink experience. I liked that it felt different from the usual heavy, overly sweet energy drinks. The can design immediately gave me a fun, refreshing impression, and that made me want to try it right away.
What I Looked For Before Buying
Before I bought it, I checked a few important things: the flavor profile, caffeine content, sugar level, and whether it fit my usual energy drink preferences. I personally prefer drinks that give me energy without making me feel weighed down, so the “Ultra” line caught my attention because it usually means zero sugar and a lighter taste.
Taste and Flavor Experience
My biggest concern was whether the guava flavor would taste natural or artificial. After trying it, I found that it has a tropical, fruity taste with a noticeable guava character and a crisp finish. For me, it was refreshing rather than overpowering. If I want something bright and flavorful without the syrupy sweetness, this is the kind of drink I reach for.
Energy Boost and Performance
I bought Monster Energy Ultra Vice Guava not just for the flavor, but also for the energy boost. Like most Monster Ultra drinks, it gave me a solid lift in focus and alertness. I found it useful during long work sessions, busy afternoons, and times when I needed to stay sharp. I always pay attention to how an energy drink affects me personally, and this one felt effective without being too heavy.
Who I Think It Is Best For
In my opinion, this drink is best for people who enjoy tropical flavors, want a zero-sugar energy drink, and prefer a lighter taste. I think it’s a good fit for anyone who wants energy without the extra sweetness of traditional energy drinks. If you like guava or fruity citrus-style blends, this may be a great option for you too.
Things I Considered Before Rebuying
After trying it, I thought about whether I would buy it again. I considered the price, availability, and whether I enjoyed it enough to keep it in my regular rotation. For me, the flavor was enjoyable enough that I would buy it again when I want something tropical and refreshing. I also liked that it felt easy to drink compared with stronger-tasting energy drinks.
My Buying Tip
If I were recommending one tip, it would be to buy a single can first before committing to a full pack. That way, I can see if the flavor matches my taste and if the energy level works well for me. I always prefer testing a new energy drink this way, especially when I’m trying a flavor that sounds unique like Vice Guava.
My Final Thoughts
Overall, I found Monster Energy Ultra Vice Guava to be a refreshing, tropical energy drink with a nice balance of flavor and function. My experience with it was positive because it gave me the boost I wanted without feeling too sugary or heavy. If I’m looking for a fruity zero-sugar option, this is definitely one I would consider buying again.
Final Thoughts
I found Monster Energy Ultra Vice Guava to be a refreshing take on the Ultra lineup, especially if I want something fruity without the heavy sweetness of a typical energy drink. My main takeaway is that it delivers a bright guava flavor with the familiar energy boost, making it a solid choice for fans of lighter-tasting drinks. Overall, I think it stands out as a fun, easy-drinking option that’s worth trying if you enjoy tropical flavors.
Author Profile

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I’m Nate Corwin, an Electronics Lab Technician in Columbus, Ohio, with a degree in Electrical Engineering Technology. Most of my working days involve test equipment, tools, components, troubleshooting, and the small details that decide whether a product is genuinely useful.
Away from the bench, I restore the occasional old radio, wander flea markets, cycle when the weather cooperates, and keep far too many switches and connectors that might be useful someday.
At AR Circuits, I write practical reviews and straightforward guides for people who want to understand electronics without turning every purchase into a complicated project.
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