運動營養品

Japanese Sports Nutrition – Protein, EAA, BCAA & More from Japan’s Top Brands

Fuel your training with authentic Japanese sports nutrition — trusted by athletes and fitness enthusiasts across Japan. From Meiji’s SAVAS soy protein to Ajinomoto’s Amino Vital and XTEND’s globally recognized BCAA formulas, every product in this collection is sourced directly from Japan and shipped worldwide by imy Shop Japan.

🥛 Whey Protein

  • REYS WPC Whey Protein 1kg (Made in Japan)
    Developed under the supervision of fitness YouTuber Rei Yamasawa; fast-absorbing WPC whey protein; enriched with 7 vitamins (B1, B2, B6, C, D, Niacin, Pantothenic Acid); dissolves in 3 seconds; approx. 33 servings; 30g per serving with 200ml water. Available in 5 flavors: Café au Lait, Chocolate, Milk Tea, Mixed Berries, Salted Caramel. Made in Japan.

  • XTEND PRO Whey Isolate 700g – Melon Yogurt Flavor
    From the No.1 BCAA brand in the U.S.; CFM-method WPI (Whey Protein Isolate); 26.1g protein per 34g serving including 7,000mg BCAA; 100 billion lactobacillus (FK-23 strain); INFORMED CHOICE anti-doping certified; sugar-free, preservative-free, no artificial coloring; made in Japan.

🌱 Soy Protein

  • SAVAS SOY PROTEIN 100 – 900g
    By Meiji; 100% soy protein; 75% protein content (dry basis); ~107kcal per 28g serving; enriched with 4 types of Vitamin B + Vitamin C + Vitamin D; ideal for post-workout muscle support. Mix 4 scoops (28g) with 250ml water or milk.

  • SAVAS PRO WEIGHT DOWN Soy Protein
    By Meiji; 100% soy protein + HMB-Ca for muscle maintenance during weight management; ~20g protein and 101kcal per 28g serving; enriched with calcium, iron, magnesium, and vitamins A, B-complex, C, D, E; based on Meiji’s athlete nutrition research. Available in Chocolate (820g) and Yogurt (800g).

  • SAVAS Athlete Weight Down 336g
    By Meiji; soy protein + Garcinia Cambogia extract; 10 vitamins + calcium, iron, magnesium; quick-dissolving formula; 16g protein per 3 scoops (21g) with 300ml water or milk; ideal for training-based weight management.

  • Shape & Beauty Soy Protein and Collagen 900g (Meiji)
    Designed for women; soy protein + fish collagen peptides; 6 types of Vitamin B + Vitamins A, C, D, E + calcium, iron, magnesium; Meiji’s unique granulation for excellent solubility without a shaker; recommended post-exercise, before sleep, or at breakfast. Available in Milk Tea and Chocolate flavors.

⚡ EAA (Essential Amino Acids)

  • REYS EAA Powder 600g (Made in Japan)
    Supervised by fitness YouTuber Rei Yamazawa; 8,000mg of all 9 EAA per 12g serving; + 800mg beta-alanine + full day’s supply of Vitamins B1, B2, B6; 98% of users rated the taste as pleasant; classified as a Food with Nutrient Function Claims in Japan. Available in 4 flavors: Lemon Lime, Shine Muscat, Raspberry Cassis, Pineapple. Made in Japan.

💪 BCAA (Branched-Chain Amino Acids)

  • Amino Vital GOLD – 30 Packs (Ajinomoto)
    4,000mg EAA per 4.7g stick including high-level BCAAs (Leucine 1.60g, Isoleucine 0.43g, Valine 0.44g); granule-type, no shaker needed; refreshing grapefruit flavor; rapid absorption faster than protein digestion. Best for: intense training, post-competition recovery, endurance sports.

  • Amino Vital PRO – 30 Packs (Ajinomoto)
    3,800mg amino acids (EAA + Glutamine 1.0g + Cystine 0.23g) per 4.4g stick; + 8 vitamins (B-complex, A, D); granule-type, no shaker needed; grapefruit flavor. Best for: daily conditioning, fitness maintenance, hiking, beginners.

💡 How to Choose Your Sports Nutrition

  • Building muscle post-workout? → REYS WPC Whey Protein or XTEND PRO Whey Isolate
  • Prefer plant-based protein? → SAVAS SOY PROTEIN 100 or Shape & Beauty Soy Protein
  • Managing weight while training? → SAVAS PRO WEIGHT DOWN or SAVAS Athlete Weight Down
  • Women’s fitness + beauty goals? → Shape & Beauty Soy Protein and Collagen
  • Need all 9 essential amino acids? → REYS EAA Powder (8,000mg per serving)
  • Intense training or competition recovery? → Amino Vital GOLD (4,000mg EAA)
  • Daily conditioning and maintenance? → Amino Vital PRO (EAA + Glutamine + 8 vitamins)

All products are 100% authentic, sourced and shipped directly from Japan. Worldwide door-to-door delivery via air freight. Always follow the recommended daily intake and consult a healthcare professional if you have any medical conditions.

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