It has gradually become warmer and easier to spend time outdoors, but there are still chilly moments, aren't there?
Stress builds up due to the extreme temperature fluctuations between warm and cold spells.
I want to take the plunge, lounge on a sunny beach, and refresh my spirit...
For those harboring such thoughts, an energy drink perfect for you has landed in Japan from Monster Energy!
We are reviewing Monster Ultra Vice Guava, released in Japan on Tuesday, March 31, 2026!
Reviewing Monster Ultra Vice Guava!

A purple Monster Energy box depicting vibrant Miami.

Upon opening, two cans of Monster Ultra Vice Guava were enclosed.
On the inside of the box lid, Monster Ultra Vice Guava stands tall against a backdrop of vibrant Miami!

Monster Ultra Vice Guava is the latest entry in the Monster Ultra series, which features 0 calories & 0 sugar.
Saiga NAK
This product features packaging based on a vivid turquoise blue color.
Around the Monster logo, flamingos, beaches, and palm trees are depicted in pink and white.
What is the Energy Poem for Monster Ultra Vice Guava...?

The energy poem is a familiar feature of the Monster series!
We will check out the energy poem as well.
Miami has it all, mind-blowing Latin energy, premier racing from NASCAR to F1, and worlds class beaches with the hottest clubs right on the sand.
Whether you’re an over-the-top partier or an undercover crime fighter in a pastel suit, T-shirt, and loafer- you gotta stay energized!
From South Beach to Calle Ocho, looking good and feeling good is what it’s all about, With zero sugar to weigh you down, the fresh taste of perfectly ripened guava, and ouer world famous Monster Energy blend, Ultra Vice Guava has you covered.
Unleash the Ultra Beast!
This product is an energy drink inspired by vibrant Miami.
With the taste of guava and Monster's unique energy blend, it will surely make your mood as brilliant as Miami itself!
Checking the Nutrition Facts!

Now that we have confirmed the energy poem, let's check the nutrition facts. The components per 100ml are as follows:
- Energy: 0kcal
- Protein: 0g
- Fat: 0g
- Carbohydrates: 0.5g
- Salt Equivalent: 0.20g
- Niacin: 8.0mg
- Pantothenic Acid: 0.5 - 4.3mg
- Vitamin B6: 0.85mg
- Vitamin B12: 1.0 - 7.0μg
- L-Arginine: 53mg
- Ginseng: 85mg
- L-Carnitine: 29mg
- Caffeine: 40mg
Since the caffeine content is 40mg per 100ml, one 355ml can contains 142mg of caffeine.
Now, the Actual Tasting!

Let's try Monster Ultra Vice Guava.

What poured out was a vivid and energizing orange-pink color!
While the package color is turquoise blue, the drink itself is orange-pink; it looks exactly like guava juice.
Following a grapefruit-like acidity, a fruity, sweet scent lingers on the palate.

As for the flavor, when drinking Monster Ultra Vice Guava, a refreshing sweetness and tartness spreads throughout the mouth.
At first, the light carbonation and acidity are prominent, but a fruity sweetness gradually follows.
It lacks the medicinal aftertaste often associated with energy drinks and is as easy to drink as fruit juice!
It is crafted as an energy drink perfect for refreshing your mood.
Monster Ultra Vice Guava is on sale starting Tuesday, March 31, 2026.
The price is 213 yen (excluding tax) for one 355ml can.
Refresh your mood like vibrant Miami with Monster Ultra Vice Guava—its refreshing sweet and tart flavor is bound to become a habit!
ついに本日、モンスター ウルトラバイスグァバが日本上陸🌴
0カロリー&0シュガー⚡️
モンスター ウルトラシリーズの新作😎
爽快なグァバフレーバーを体感せよ✌️☀飲んだら感想を教えてくれ🔥 pic.twitter.com/ZweFrBr9m8
— Monster Energy Japan (@MonsterEnergyJP) March 31, 2026

