2025年 July

10 Best protein in 日本

Last Updated - 20/07/2025

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Best Choice
01

Optimum Nutrition

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ON Gold Standard 100% Whey Protein, Double Rich Chocolate, Main Ingredient WPI, 5 lb, Bottle Type (Optimum Nutrition)
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Weight: 4.9 lbs (2.27 kg)
Regarding Counterfeit Products: Other than products sold and shipped by Amazon.co.jp may be imitation or illegal. Please do not purchase this product
Product Size (W x D x H): 8.0 x 8.0 x 10.8 inches (20.3 x 20.3 x 27
Packaging and contents may change without prior notice. Please acknowledge
Country of Origin: United States

￥12,812
02

Optimum Nutrition

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Gold Standard 100% Whey Protein, Double Rich Chocolate, 5 lbs (2.27 kg) (Genuine US Manufacturer)
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Protein 0.9 oz (24 g), BCAA 0.2 oz (5.5 g), Glutamine & Glutamic Acid 0.1 oz (4 g)
Please note that this product does not contain any unauthorized pharmaceutical ingredients, such as lactase, but the U.S. version (UPC: 748927028669) does contain lactase.
Of course, it also contains essential amino acids (EAA).
Authentic product direct from the US manufacturer.Special formula with low sweetness for Japan and other countries.(UPC: 748927051261)
3 types of whey protein including WPI (Whey Protein Isolate).

￥10,980
03

REYS

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Reys Whey Protein, Supervised by Reiaki Yamasawa, 2.2 lbs (1 kg), Made in Japan, Contains 7 Vitamins, WPC Protein, Whey Protein (Cafe au Lait Flavor)
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Uses 100% Selected Whey Protein: Uses 100% whey protein with fast absorption speed as a protein ingredient. It is also formulated with 7 types of vitamins that are indispensable for everyday use (V.B1, V.B2, V.B6, V.C, V.D, niacin, and pantothenic acid)
Recommended intake timing: Estimate: 2 to 3 times a day. Before and after exercise: For nutrition during training. For snacking: Easy protein supplement. ■At night: For protein supplement at the end of the day
Delicious / Easy to Melt, Affordable Price: Over 1 million YouTube registers. The long-awaited Whey Protein (WPC) was born from REYS, supervised by Takaaki Yamasawa. With a focus on deliciousness, the protein has been carefully selected, and prototypes repeatedly made to produce flavor, dissolve, and affordability. Delicious with water
(We aim to make you want to drink every day) Café Ole flavor: Uses a special coffee extract extracted from the Arabica seed coffee beans produced in Colombia. Creamy and soothing sweetness
(How to eat) Based on the 3 spoons (about 1.1 oz (30 g)) of the included spoon, dissolve in 6.8 fl oz (200 ml) of cold water, etc

￥3,780
04

ザバス

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SAVAS Whey Protein 100, Rich Chocolat Flavor, 2.2 lbs (1 kg), Meiji (Amazon.co.jp Exclusive)
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Size: 1kg x 1 bag
Package weight: 0.2 kg
Item model number: 2631432
Delicious and easy to drink protein for optimal muscle dissolvability

￥5,248
Best Value
05

X-PLOSION（エクスプロージョン）

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On Amazon

X-PLOSION Whey Protein 6.6 lbs (3 kg), Plain Flavor, No Sweetness, Made in Japan
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

X-PLOSION was developed by athletes in their prime with a goal of making the world’s highest-quality protein at an exceptionally-affordable price.X-PLOSION is the official supplier for the NSSU Bodybuilding Club, chosen over other brands for its high marks for flavor and quality and for its extraordinarily reasonable prices.Nutritionally, using X-PLOSION is similar to backing up your hard-earned progress on muscle development.
Recommended consumption method: Add approx. 3.4 to 5.1 fl. oz. (100 to 150 cc) of water or fruit juice and approx. 1.1 oz. (30 g; approx. 2 heaping spoonfuls w/ included spoon) of this product to a shaker or mixer.Tighten the lid, shake for about 10 seconds, and enjoy. Recommended Intake Timing: We recommend you take the powder at breakfast and before or after working out.Please consume 1 to 3 times per day.
Nutrition Information: (per 30 g serving) [Energy: 123 kcal, Protein: 22.6 g, Fat: 2.6 g, Carbohydrates: 2.3 g, Salt equivalent: 0.2 g, Amino acid score 100] or [Energy: 120 kcal, Protein: 23.2 g, Fat: 2.1 g, Carbohydrates: 2.1 g Salt equivalent: 0.1 g, Amino acid score 100] *You cannot choose which one you receive.
Name: Protein processed food (powdered protein); Contents: 6.6 lbs (3 kg) per bag; Dairy protein: Made in the USA; Manufactured in Japan.
*Please be sure to read before purchasing: *As always, thank you for choosing X-PLOSION. We use multiple whey powder types — different types for different seasons — in order to maximize the quality of our protein powder. That is why, depending on the time of purchase, there may be a degree of variation in elements such as the ingredients (including their nutritional content), their production locations, and the powder’s texture and flavor. Rest assured, however, that we carefully check the protein content per serving, as well as the safety and quality of this and all our products. The content shown on the product page are provided for example. For more accurate information, please check the back of the product package.X-PLOSION’s customer services will be available for any questions (English language not guaranteed).

￥8,199
06

SAVAS(ザバス) MILK PROTEIN

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Meiji Savas Milk Protein 0% Fat, Cocoa Flavor, 6.8 fl oz (200 ml) x 24 Packs
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Protein Type: Milk protein
Product Size (W x D x H): 1.9 x 1.5 x 4.7 inches (47 x 38 x 119.3 mm)
Made in Japan
Ingredients: milk product, milk protein / cacao pigment, flavoring, sweetener (acesulfame K, sucralose), Vitamin E, Vitamin B6
Features: Easily ingest milk proteinFormulated with 0.5 oz (15 g) of milk protein that is effective for improving your body; take after exercise to help build your ideal body
Contents: 6.8 fl. oz. (200 ml) x 24 packs
Calories: 102 cal/6.8 fl oz (200 ml) container

￥3,340
07

Verifyst

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Verifyst Verifist Whey, 6.6 lbs (3 kg), Protein, 100% Chocolate Flavor, Made in Japan, Large Capacity
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Protein Powder

￥6,999
08

ザバス
20% Off

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SAVAS Soy Protein 100 Milk Tea Flavor, 31.7 oz (900 g), Meiji Made in Japan
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Weight: 31.4 oz (900
Manufacturer Name: Meiji
How to use: Dissolve 4 spoons (about 0.9 oz (28 g) of water or 8.5 fl oz (250 ml) of milk. The estimated spoons are for a spoon. Drink immediately after dissolving in water or milk. Please adjust the amount of liquid melted according to your preference. Dissolve 3 spoons (about 0.7 oz (21 g) of water or milk 6.8 fl oz (200 ml) of milk for those who think it is too large. The intake of protein may vary by individual. If you are a first time or you feel that there is a lot of volume, please try small amounts at a time
Calories: Energy 107 kcal per serving, 75% of protein content (per anhydrous item)
Brand Name: SAVAS
As a protein ingredient, we use 100% soy protein that supports the shaping of the body. It can replenish your protein according to the intake point of your protein immediately after your workout, so it supports the ideal body building. Formulated with 4 types of vitamin B groups, Vitamin C and Vitamin D

￥3,959 ￥4,968 20% Off
09

ザバス
23% Off

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Meiji SAVAS Aqua Whey Protein 100, , ,
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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￥5,455 ￥7,128 23% Off
10

MAD PROTEIN(マッドプロテイン)

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On Amazon

MAD PROTEIN Soy Protein No Flavor, Plain, Domestic Processing, Soybean Additive-Free, Plant Protein, 2.2 lbs (1 kg)
8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

[Important Costs for Continuous]: MADPROTEIN has been sourced, manufactured, and sold in-house without intermediate margins for overwhelming cost performance
[Diet] Soy protein is recommended during the loss period as it can supplement the proteins you need, and will stay satisfied
Soy Protein: Plant protein made from soy. It also features 9 essential amino acids
(How to eat) Mix 1 spoon (0.7 oz (20 g) per serving) with water, milk, or your favorite beverage

￥1,980

10 Best protein in 日本

ON Gold Standard 100% Whey Protein, Double Rich Chocolate, Main Ingredient WPI, 5 lb, Bottle Type (Optimum Nutrition)

Gold Standard 100% Whey Protein, Double Rich Chocolate, 5 lbs (2.27 kg) (Genuine US Manufacturer)

Reys Whey Protein, Supervised by Reiaki Yamasawa, 2.2 lbs (1 kg), Made in Japan, Contains 7 Vitamins, WPC Protein, Whey Protein (Cafe au Lait Flavor)

SAVAS Whey Protein 100, Rich Chocolat Flavor, 2.2 lbs (1 kg), Meiji (Amazon.co.jp Exclusive)

X-PLOSION Whey Protein 6.6 lbs (3 kg), Plain Flavor, No Sweetness, Made in Japan

Meiji Savas Milk Protein 0% Fat, Cocoa Flavor, 6.8 fl oz (200 ml) x 24 Packs

Verifyst Verifist Whey, 6.6 lbs (3 kg), Protein, 100% Chocolate Flavor, Made in Japan, Large Capacity

SAVAS Soy Protein 100 Milk Tea Flavor, 31.7 oz (900 g), Meiji Made in Japan

Meiji SAVAS Aqua Whey Protein 100, , ,

MAD PROTEIN Soy Protein No Flavor, Plain, Domestic Processing, Soybean Additive-Free, Plant Protein, 2.2 lbs (1 kg)

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