Monster Energy Khaos 50% (Japan)

Posted on April 9, 2014 | Last updated February 17, 2025

モンスターエナジーカオス
This is a review of the Japanese version of Monster Energy Khaos 50%. Initially sold with 50% fruit juice, it was later changed to 30% to match the international version. Additionally, the packaging was updated to reflect the same design as the overseas version. As the oldest version of the Japanese Khaos, it is known for its richer flavor compared to the current 30% fruit juice version, though its intense taste tends to be polarizing, with some people loving it and others finding it too strong.

Monster Energy Khaos 50% (Japan)

Manufacturer	MONSTER ENERGY
Country of Origin	USA
Price	190 JPY
Flavor	Orange
Total rating	★★★☆☆

Author information Author: Energy Drink-kun

In 2001, while living in the United States, I encountered energy drinks through the dance scene and was deeply impressed. After returning to Japan, I found that energy drinks were considered novelty beverages, so I established a comprehensive website in 2013 to share the true appeal of energy drinks. As an energy drink enthusiast, I began drinking them seriously again, collecting over 7,000 varieties of energy drinks from various countries. I am also active as a critic and expert, receiving media interviews.

Monster Energy Khaos 50% (Japan) Flavor

The fruit juice blend includes various fruits beyond just orange, but the dominant flavor is a highly intensified orange taste. There is a distinct medicinal note typical of Khaos, making it not just a regular orange flavor. The sweetness is strong, and instead of the refreshing taste of orange, it feels more like a syrupy, sugar-coated ripe mandarin.

In Japan, there was initially only the choice between the original Monster or Monster Khaos, and Khaos was criticized for not being a typical energy drink. However, with the release of various flavors recently, the value of Khaos seems to be re-evaluated. Still, the 50% fruit juice version of Khaos, with its intense flavor and distinctive medicinal taste, remains a divisive one.

I Can't See Ahead!

Monster Energy Khaos
When poured into a glass, shaking the can lightly brings out the sediment that appears throughout. It is unclear whether this cloudiness is from the fruit juice or if it's some magical mist from Monster Energy... but it’s likely from the juice.

Monster Energy Khaos
Holding the glass up to the sun didn't clear the haze. You don't need to worry too much about escaping this chaotic (Khaos) world while drinking it. It's just a sweet, rich orange juice!

Monster Energy Khaos 50% (Japan) Energy Ingredients

It contains 142mg of caffeine, 444mg of D-ribose, 298mg of ginseng, and 444mg of arginine.

The 50% fruit juice blend includes apple, orange, peach, pineapple, and grape. Compared to other fruit-flavored Monster Energy drinks, this is a fairly standard mix.

Monster Energy Khaos 50% (Japan) Review: Pros and Cons

When first released in Japan, the Monster Khaos had 50% fruit juice. The high fruit content didn’t just make it sweeter but also intensified the flavor and aroma, which was much stronger than the current 30% version. Some found this level of intensity a bit too much and felt it would be overwhelming to drink daily.

Monster Energy Khaos
However, once the fruit juice content was lowered to 30%, the drink became much easier to consume and more appealing to the general public. If you’re interested, check out the detailed comparison of the 50% and 30% versions of Khaos in this review.

Monster Energy Khaos 50% Was Produced in the U.S.

The Monster Khaos 50% was initially produced in the United States. Other Monster Energy drinks like the Original and Absolutely Zero were also originally made in the U.S. when they first launched in Japan, though this fact is less known today.

Monster Energy Khaos
The original and Absolutely Zero versions switched to domestic production, but the Khaos 50% continued to be made in the U.S. for a while. As sales routes decreased and it became harder to find in convenience stores, it seemed like it might be discontinued. However, the 30% Khaos suddenly began to appear everywhere, and now all Monster Energy products are produced in Japan.