5 Trending Protein Shakes at Olive Young Korea You Need to Try
If you've been shopping at Olive Young in Korea, you may have noticed a growing selection of single-serving protein shakes in convenient pouches.
Unlike ready-to-drink protein beverages, these products come in individual packets that can be mixed with water and shaken before drinking. They are easy to carry, simple to prepare, and available in a wide range of flavors.
Olive Young currently lists hundreds of products in its protein shake category, with several pouch-style protein shakes appearing among its BEST and sales-ranking products.
Here are five popular protein shakes currently available at Olive Young Korea, selected based on Olive Young's current sales rankings, BEST listings, and review counts.
1. Flymill Protein Shake 45g
Flymill Protein Shake 45g is currently one of the most popular protein shakes on Olive Young.
It is ranked No. 1 in Olive Young's current food sales ranking, making it one of the standout protein shake products on the retailer's platform. The product currently has a 4.8-star rating and more than 113,000 reviews on Olive Young.
The 45g single-serving format makes it convenient to carry and prepare when you want a quick protein shake.
Flymill offers multiple flavor options, giving shoppers a variety of choices rather than limiting them to traditional chocolate or vanilla flavors.
The product is currently listed at ₩3,900 or more, with promotions such as 1+1 available depending on the current Olive Young promotion.
Why it's popular:
- No. 1 in Olive Young's current food sales ranking
- 45g single-serving format
- 4.8-star rating
- 113,000+ reviews
- Multiple flavor options

2. Protein One Protein Shake Pouch 40g
Protein One Protein Shake Pouch 40g is another highly popular option and is especially relevant if you're looking for the classic Korean protein pouch format.
Olive Young currently ranks it No. 2 in its protein shake sales ranking, and the product is marked as a BEST item. It has a 4.8-star rating and more than 100,000 reviews on Olive Young.
The product is specifically marketed as a pouch-type protein shake, with six varieties available.
The 40g pouch is designed as an individual serving, making it easy to store in a bag and prepare when needed.
The standard listed price is currently ₩3,900, although Olive Young promotions can reduce the price.
Why it's popular:
- No. 2 in Olive Young's current protein shake sales ranking
- BEST product
- 40g pouch format
- Six varieties
- 4.8-star rating
- 100,000+ reviews

3. Delight Project Protein Shake 45g
Delight Project Protein Shake 45g is another BEST-selling protein shake available at Olive Young.
The product currently has a 4.8-star rating and more than 48,000 reviews on Olive Young. It is also listed as a BEST product in the retailer's protein shake selection.
Delight Project is one of Olive Young's in-house food brands, and its protein shake is available in individual 45g servings.
The product has also appeared in Olive Young's special promotions, including the retailer's August Olive Young Pick selection.
The regular listed price is currently ₩3,900 or more, although promotional prices may vary.
Why it's popular:
- BEST product at Olive Young
- 45g individual serving
- 4.8-star rating
- 48,000+ reviews
- Featured in Olive Young promotional selections

4. Crunchin Crunch Ball Protein Shake 50g
Crunchin Crunch Ball Protein Shake 50g offers a slightly different take on the pouch protein shake trend.
The product is currently included in Olive Young's sales ranking and is available in five varieties. The current product listing also highlights a new Blueberry Yogurt Pop flavor.
Unlike a completely smooth protein shake, the product incorporates Crunch Ball pieces, adding a different texture to the drink.
Olive Young currently lists the 50g product from around ₩5,900, with promotional prices available depending on the current offer.
The product has also gained significant attention on Olive Young, with the retailer's broader food rankings placing Crunchin's protein shake among its highly ranked food products.
Why it's popular:
- 50g single-serving format
- Five varieties
- Crunch Ball texture
- New Blueberry Yogurt Pop flavor
- Listed in Olive Young's sales rankings

5. Leanfit Protein Shake 45g
Leanfit Protein Shake 45g is another individual-serving protein shake available at Olive Young.
The product comes in five varieties and is currently listed as a BEST product within Olive Young's protein shake category.
Leanfit currently has a 4.8-star rating and more than 4,000 reviews on Olive Young, showing that the product has accumulated a substantial number of customer reviews despite having fewer reviews than Flymill or Protein One.
The product is currently listed at ₩3,900 or more, with 1+1 promotions appearing on Olive Young depending on the current campaign.
Why it's popular:
- BEST product on Olive Young
- 45g individual serving
- Five varieties
- 4.8-star rating
- 4,000+ reviews

Why Are Pouch Protein Shakes Popular in Korea?
One of the biggest advantages of these products is their convenient individual packaging.
Instead of carrying a large container of protein powder, shoppers can simply take one serving with them. The pouch format also makes it easy to store several different flavors at home or keep one in a bag for later.
Olive Young's current protein shake category includes hundreds of products, showing how extensive the selection has become. The retailer currently lists 386 products in its protein shake category.
The selection also goes beyond traditional protein powder. Korean shoppers can choose from different flavors, textures, serving sizes, and brands.
Pouch Protein Shake vs. Ready-to-Drink Protein
If you're visiting Korea, it's worth knowing the difference between these two popular formats.
Pouch protein shakes come as individual servings and are prepared before drinking.
Ready-to-drink protein beverages, on the other hand, are already mixed and can be consumed immediately.
The five products in this article focus specifically on the single-serving protein shake format, rather than bottled or carton-style RTD protein drinks.

Where to Buy Protein Shakes in Korea
All five products featured in this article are currently listed on the Olive Young Korea online store.
Many of them also offer 오늘드림 (Today Delivery) and/or store pickup, depending on the product and location. Olive Young's product pages also provide options to check participating stores.
Prices and promotions can change, so it is best to check the Olive Young website or store for the latest information before purchasing.
Which Protein Shake Should You Try?
If you want to try one of Korea's currently popular pouch-style protein shakes, these five are good places to start.
Flymill stands out for its extremely high review count and current No. 1 ranking, while Protein One is another major choice with more than 100,000 reviews.
Delight Project has also accumulated tens of thousands of reviews and has been featured in Olive Young's promotional selections.
For something different, Crunchin offers a Crunch Ball texture, while Leanfit provides another 45g individual-serving option with five varieties.
With prices starting around ₩3,900 for several of these products, they are also relatively easy to try individually rather than committing to a large package.

Final Thoughts
The popularity of single-serving pouch protein shakes is easy to spot at Olive Young, where several of these products appear among the retailer's BEST and sales-ranking products.
From Flymill and Protein One, which have each accumulated more than 100,000 reviews, to Delight Project, Crunchin, and Leanfit, there are plenty of Korean protein shake options to explore.
If you're visiting Korea and shopping at Olive Young, these convenient pouch-style protein shakes are worth checking out — especially if you want to try some of the products currently attracting the most attention on the retailer's platform.