Whey Protein

Clear, sports-drink style whey protein that dissolves in water for refreshing intake

Japan's best-selling whey protein powder in cocoa flavor.

High-quality WPI whey protein for serious athletes. Chocolate flavor.

Affordable high-quality whey protein with 22g protein per 29g serving. One of Japan's most popular budget-friendly protein supplements on Amazon Japan. Smooth cocoa flavor with 11 vitamins. 1kg bag (about 34 servings).

Award-winning whey protein with 25g protein per serving from a blend of whey protein isolate and concentrate. Added BCAA and digestive enzymes. Popular among Japanese fitness enthusiasts ordering from iHerb. 2268g (about 70 servings).

Unflavored whey protein concentrate for versatile use in shakes and cooking

High-quality whey protein in Japan-exclusive matcha latte flavor with 21g protein per serving

High-purity WPI whey protein developed by bodybuilding legend Yoshinori Yamamoto

Whey protein by YouTuber Takeru Yamamoto in cafe latte flavor with 7 vitamins

Popular whey protein with fun naming and delicious banana flavor, 20g protein per serving

Japan-unique melon soda flavored whey protein with refreshing taste

Cost-effective whey protein designed for heavy trainers, 3.5kg bulk pack

Whey protein with added E.M.R. for enhanced muscle recovery and growth

Dual protein blend (whey + casein) for sustained amino acid release

Protein jelly drink with 5g whey protein and vitamins for convenient intake

Affordable protein bar with 15g protein, popular in convenience stores

Additive-free plain whey protein at affordable price, popular on Amazon Japan

World's best-selling whey protein with 24g protein per serving from whey isolate primary

100% whey protein with 25g protein featuring real brand collaborations like Oreo and Chips Ahoy

Revolutionary juice-like whey protein isolate with 20g protein and light, refreshing taste

Premium whey protein isolate with 24g protein and 5.5g BCAAs per serving for lean muscle

Ultra-premium protein matrix with 22g protein from 6 protein sources and amazing taste

Ultra-premium mass gainer with 50g protein and 1220 calories for size and strength gains

Fast-digesting whey protein with 25g protein and minimal fat and sugar per serving

Europe's #1 online sports nutrition brand with 21g protein from grass-fed whey concentrate

100% natural whey protein isolate with 26g protein per serving, free of artificial sweeteners and colors.

Premium whey protein blend of concentrate and isolate delivering 25g protein and 5.5g BCAAs per serving for muscle building and recovery at an accessible price point

Ultra-pure whey protein isolate delivering 25g of protein per serving with less than 1g of fat and sugar, fortified with digestive enzymes for optimal absorption

Blend of whey protein concentrate, isolate, and hydrolysate delivering 25g of protein per serving with naturally occurring BCAAs for muscle building and recovery

Fast-absorbing hydrolyzed whey protein isolate with 25g protein and 5.5g BCAAs per serving, ideal for post-workout recovery with virtually zero fat and sugar

High-calorie mass gainer with 1280 calories, 52g protein, and 245g carbohydrates per serving to support caloric surplus, weight gain, and muscle size in hard gainers