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Orgain Organic Vegan 21g Protein + Superfoods Powder, Chocolate, 2.02lb
US Store
Orgain

Orgain Organic Vegan 21g Protein + Superfoods Powder, Chocolate, 2.02lb
4.6

10k+ bought

JPY 7774

14% OFF
Orgain Organic Vegan 30g High Protein Powder, Vanilla, 2.01 lb
US Store
Orgain

Orgain Organic Vegan 30g High Protein Powder, Vanilla, 2.01 lb
4.4

6k+ bought

JPY 7575 8768

Muscle Milk Pro Series Protein Powder Supplement,Knockout Chocolate,2 Pound,11 Servings,50g Protein,3g Sugar,20 Vitamins & Minerals,NSF Certified for Sport,Workout Recovery,Packaging May Vary
US Store
Muscle Milk

Muscle Milk Pro Series Protein Powder Supplement,Knockout Chocolate,2 Pound,11 ...
4.4

5k+ bought

JPY 6378

Garden of Life Raw Organic Protein & Greens Powder, Chocolate, 20 Servings
US Store
Garden of Life

Garden of Life Raw Organic Protein & Greens Powder, Chocolate, 20 Servings
4.4

2k+ bought

JPY 7913

OWYN Only What You Need Chocolate Flavored Protein Powder, 20g Protein, 4g Sugar, 3g Fiber, Dairy Free, Plant Based Protein Powder, 1.1LB
US Store
OWYN Only What You Need

OWYN Only What You Need Chocolate Flavored Protein Powder, 20g Protein, 4g Sugar, ...

2k+ bought

JPY 4791

Ensure Original Vanilla Nutrition Powder, Small Meal Replacement, 6 Pack
US Store
Ensure

Ensure Original Vanilla Nutrition Powder, Small Meal Replacement, 6 Pack
4.6

2k+ bought

JPY 19308

Orgain Organic Vegan 21g Protein Powder, Cookies & Cream, 2.03 lb
US Store
Orgain

Orgain Organic Vegan 21g Protein Powder, Cookies & Cream, 2.03 lb
4.4

2k+ bought

JPY 8370

Huel Black Edition | Banana | 40g Vegan Protein Powder | Meal Replacement
US Store
Huel

Huel Black Edition | Banana | 40g Vegan Protein Powder | Meal Replacement
4.3

2k+ bought

JPY 12745

35% OFF
Quest Nutrition Chocolate Milkshake Protein Powder, 22g Protein, 2g Net Carbs, 1g Sugar, Low Carb, Gluten Free, 1.6 Pound, 24 Servings
US Store
Quest

Quest Nutrition Chocolate Milkshake Protein Powder, 22g Protein, 2g Net Carbs, 1g ...
4.6

1k+ bought

JPY 6195 9464

40% OFF
Four Sigmatic Organic Plant-Based Protein Powder | Clean Vegan Protein Elevated with Lions Mane, Chaga, Cordyceps and More for Brain Function and Immune Support | Creamy Cacao, 21.16 oz
US Store
Four Sigmatic

Four Sigmatic Organic Plant-Based Protein Powder | Clean Vegan Protein Elevated ...
4.2

1k+ bought

JPY 5288 8768

Clear Protein Powder, 15g Collagen & Whey with Electrolytes, 20 Packets
US Store
Arrae

Clear Protein Powder, 15g Collagen & Whey with Electrolytes, 20 Packets
3.7

1k+ bought

JPY 10560

Almased Protein Powder for Weight Loss Kit for Men & Women, Natural Meal Replacement Shake for Weight Loss, Supplement, 24 Grams of Protein Per Serving Vanilla Flavor, 3 Cans @ 17.6 oz ea + Scoop
US Store
Almased

Almased Protein Powder for Weight Loss Kit for Men & Women, Natural Meal ...
4.4

1k+ bought

JPY 23086

Nutricost D-Ribose Powder 500 Grams 5g Per Serving, GMO-Free
US Store
Nutricost

Nutricost D-Ribose Powder 500 Grams 5g Per Serving, GMO-Free
4.5

1k+ bought

JPY 6771

16% OFF
Sunwarrior Organic Plant Based Protein Powder, Vegan, Vanilla, 20 Servings
US Store
Sunwarrior

Sunwarrior Organic Plant Based Protein Powder, Vegan, Vanilla, 20 Servings
4.2

1k+ bought

JPY 8863 10554

Nutricost Casein Protein Powder 2lb Chocolate
US Store
Nutricost

Nutricost Casein Protein Powder 2lb Chocolate
4.5

1k+ bought

JPY 8163

Koia Elite, Plant-Based Protein Powder with Prebiotic Fiber, Dairy-Free
US Store
Koia

Koia Elite, Plant-Based Protein Powder with Prebiotic Fiber, Dairy-Free
4.5

1k+ bought

JPY 6779

Naked 3LB Non-GMO Egg White Protein Supplement Powder, Unflavored, No Additives, Paleo, Dairy Free, Gluten Free, Soy Free 25g Protein, 44 Servings, 3 pounds
US Store
NAKED

Naked 3LB Non-GMO Egg White Protein Supplement Powder, Unflavored, No Additives, ...
4.2

1k+ bought

JPY 16722

Nutricost Amla 1000mg 120 Vegetarian Capsules, Gluten Free
US Store
Nutricost

Nutricost Amla 1000mg 120 Vegetarian Capsules, Gluten Free
4.4

1k+ bought

JPY 3391

Birdman Falcon Performance Vegan Protein Powder, 31g Protein, 5g Creatine, 5g BCAA, Probiotics, Electrolytes, Pre Workout, Low Carb, Sugar Free & Dairy Free, Plant Based Chocolate Protein -19 servings
US Store
BIRDMAN

Birdman Falcon Performance Vegan Protein Powder, 31g Protein, 5g Creatine, 5g BCAA, ...
4.1

900+ bought

JPY 9762

PEScience Select Protein Powder Sample Packs, 8 Flavors, Half-Servings
US Store
PEScience

PEScience Select Protein Powder Sample Packs, 8 Flavors, Half-Servings
3.9

900+ bought

JPY 3896

12% OFF
BetterBody Foods Organic Superfood Powder with Protein 12.7 Oz, Vitamins
US Store
BetterBody Foods

BetterBody Foods Organic Superfood Powder with Protein 12.7 Oz, Vitamins
4.4

900+ bought

JPY 3224 3647

Body Fortress Super Advanced Isolate Protein Powder, Chocolate, Gluten Free
US Store
Body Fortress

Body Fortress Super Advanced Isolate Protein Powder, Chocolate, Gluten Free
4.5

900+ bought

JPY 7473

PB2 Performance Almond Plant Based Vegan Protein Powder | 20g Complete Protein, No Added Sugar, Prebiotic Fiber | Dairy Free, Certified Vegan, Non-GMO, Gluten Free [Almond w/Madagascar Vanilla, 1LB]
US Store
PB2

PB2 Performance Almond Plant Based Vegan Protein Powder | 20g Complete Protein, No ...
4.4

800+ bought

JPY 5785

Just Move Protein Sample Pack Bundle - 7 Flavors
US Store
Just Move

Just Move Protein Sample Pack Bundle - 7 Flavors
4.1

800+ bought

JPY 5785

Carlyle Grass Fed Bone Broth Protein Powder | 35.2 oz 2.2lb | 20g Protein | Pasture Raised, Grain Free Supplement | Non-GMO & Gluten Free | By Herbage Farmstead
US Store
Carlyle

Carlyle Grass Fed Bone Broth Protein Powder | 35.2 oz 2.2lb | 20g Protein | Pasture ...
3.9

800+ bought

JPY 8768

TrueFit Grass-Fed Whey Protein Powder with Fiber, Probiotics, Dubai Choc
US Store
RSP NUTRITION

TrueFit Grass-Fed Whey Protein Powder with Fiber, Probiotics, Dubai Choc
4.2

700+ bought

JPY 11512

PlantFusion Complete Vegan Protein Powder - Plant Based With BCAAs, Digestive Enzymes and Pea Protein - Keto, Gluten Free, Soy Free, Non-Dairy, No Sugar, Non-GMO - Chocolate 2 lb
US Store
PlantFusion

PlantFusion Complete Vegan Protein Powder - Plant Based With BCAAs, Digestive ...
4

700+ bought

JPY 10729

Orgain Organic 20g Meal Protein Powder, Vegan, Vanilla Bean, 2.01 lb
US Store
Orgain

Orgain Organic 20g Meal Protein Powder, Vegan, Vanilla Bean, 2.01 lb
4.4

700+ bought

JPY 7265

Flip My Life, Flip 7 Natural SuperFood, Plant-Based Protein, Complete Meal Replacement to Support Healthy Gut, 7 Mega Nutrient Rich Blends all in one to AGE BETTER - Peanut Butter
US Store
Flip My Life

Flip My Life, Flip 7 Natural SuperFood, Plant-Based Protein, Complete Meal ...
4.4

700+ bought

JPY 11749

Garden of Life Raw Organic Fit Vegan Protein Powder, Vanilla, 20 Servings
US Store
Garden of Life

Garden of Life Raw Organic Fit Vegan Protein Powder, Vanilla, 20 Servings
4.4

600+ bought

JPY 9961

Ascent Casein Protein Powder, Micellar Casein Isolate, Chocolate, 2 lb
US Store
Ascent

Ascent Casein Protein Powder, Micellar Casein Isolate, Chocolate, 2 lb
4.3

600+ bought

JPY 9762

GHOST Vegan Protein Powder, Chocolate Cereal Milk - 26G Protein
US Store
GHOST

GHOST Vegan Protein Powder, Chocolate Cereal Milk - 26G Protein
4.2

600+ bought

JPY 10757

wellious Almond Vegan Protein Powder, Chocolate, 18g Protein, Soy-Free | 18g plant protein from almond and chickpea proteins with cocoa, monk fruit and vanilla; blends smoothly for sports nutrition.
US Store
wellious

wellious Almond Vegan Protein Powder, Chocolate, 18g Protein, Soy-Free | 18g plant ...
4.1

600+ bought

JPY 7179

PEScience Select Protein Powder, Whey & Casein, Cake Pop, 5 Servings
US Store
PEScience

PEScience Select Protein Powder, Whey & Casein, Cake Pop, 5 Servings
4.9

600+ bought

JPY 3796

Happy Viking Plant-Based Vegan Protein Powder +100 Superfoods Berry Parfait | Meal replacement shake, 30g plant protein, 10g fiber, gluten-free, non-GMO, Venus Williams Protein Powder,15 meals
US Store
Happy Viking

Happy Viking Plant-Based Vegan Protein Powder +100 Superfoods Berry Parfait | Meal ...
4.3

500+ bought

JPY 12745

Bobs Red Mill Gluten Free Almond Protein Powder 14 oz Pack of 1
US Store
Bob's Red Mill

Bobs Red Mill Gluten Free Almond Protein Powder 14 oz Pack of 1
4.4

500+ bought

JPY 4367

Muscle Milk Genuine Protein Powder, Cookies N Creme, 1.93 Pounds, 13 Servings, 32g Protein, 3g Sugar, Calcium, Vitamins A, C & D, NSF Certified for Sport, Energizing Snack, Packaging May Vary
US Store
Muscle Milk

Muscle Milk Genuine Protein Powder, Cookies N Creme, 1.93 Pounds, 13 Servings, 32g ...
4.5

500+ bought

JPY 5425

Isopure Protein + Gut Health & Immune Support Powder, Vanilla Creme, 25g Whey Protein with Prebiotics & Vitamins, 12 Servings Pack of 1
US Store
Isopure

Isopure Protein + Gut Health & Immune Support Powder, Vanilla Creme, 25g Whey ...
4.4

500+ bought

JPY 7774

SteelFit Creatine HMB Powder - 5g Creapure Creatine Monohydrate Powder
US Store
SteelFit

SteelFit Creatine HMB Powder - 5g Creapure Creatine Monohydrate Powder
4.2

500+ bought

JPY 9754

NATURE TARGET Unflavored Protein Powder, Whey & Pea Blend, 16 Servings | 24g Protein, Whey Protein Isolate, with MCTs, Mixes in Hot Coffee & Foods, No Bloating, Scoop Included, Gluten-Free
US Store
NATURE TARGET

NATURE TARGET Unflavored Protein Powder, Whey & Pea Blend, 16 Servings | 24g ...
4.2

400+ bought

JPY 5984

ICONIC Protein Powder, Vanilla Bean - Sugar Free, Low Carb Protein Powder - Lactose Free, Gluten Free, Non-GMO - 20g Grass Fed Whey & Casein Protein - Keto Friendly, 1 lb Pouch 18 Servings
US Store
ICONIC

ICONIC Protein Powder, Vanilla Bean - Sugar Free, Low Carb Protein Powder - Lactose ...
4.1

400+ bought

JPY 9166

26% OFF
Vega Protein + Creatine 30g Plant Based Protein Powder + 3g Creatine So You Bounce Back Faster Low Carb Plant Protein Powder, Post Workout Vegan Shake Chocolate, 13 Servings, 1.46 lb Pack of 1
US Store
Vega

Vega Protein + Creatine 30g Plant Based Protein Powder + 3g Creatine So You Bounce ...
4.1

400+ bought

JPY 5785 7774

17% OFF
30g Organic Vegan Protein Powder, Plant-Based Protein Powder, Meal Replacement, 20 Billion Probiotics, 0g Sugar, Energy, Focus, Recovery, Dairy-Free, Easy Digestion, Vanilla, 20 Servings
US Store
Ultraverixian

30g Organic Vegan Protein Powder, Plant-Based Protein Powder, Meal Replacement, 20 ...
3.9

400+ bought

JPY 6779 8171

Huel Vegan Protein Powder | Complete Nutrition | 20g Protein
US Store
Huel

Huel Vegan Protein Powder | Complete Nutrition | 20g Protein
3.7

400+ bought

JPY 10001

UpNourish Peanut Butter Vegan Protein Powder 54 Superfoods Powder,1.5 Billion CFU Probiotics 21g Plant Based Protein,No Sugar No Dairy No GMO Dairy Free,Meal Replacement Shake Keto-Friendly Low-Carb Diet,15 Servings
US Store
UpNourish

UpNourish Peanut Butter Vegan Protein Powder 54 Superfoods Powder,1.5 Billion CFU ...
4

400+ bought

JPY 6779

Propel Hydration Clear Protein Powder, Apple Pear, 0.98 oz, 5 Pack
US Store
Propel

Propel Hydration Clear Protein Powder, Apple Pear, 0.98 oz, 5 Pack
3.2

400+ bought

JPY 4065

BSN Amino X BCAAs Recovery Powder, Caffeine Free, Watermelon, 70 Servings
US Store
BSN

BSN Amino X BCAAs Recovery Powder, Caffeine Free, Watermelon, 70 Servings
4.6

400+ bought

JPY 8768

Micro Ingredients Organic Pumpkin Seed Protein Powder, 2lb | Raw Plant-Based Protein | Single-Ingredient Powder | Smooth Texture & Versatile Use | Non-GMO, Soy Free
US Store
Micro Ingredients

Micro Ingredients Organic Pumpkin Seed Protein Powder, 2lb | Raw Plant-Based ...
4.4

400+ bought

JPY 6779

Stronger Every Scoop – Shop Premium Protein Powder Online from Ubuy Japan

Fuel your workouts, boost recovery, and achieve your fitness goals with premium protein powder from Ubuy Japan, your trusted global marketplace for health & supplements. Whether you’re an athlete, fitness enthusiast, or someone trying to maintain a balanced lifestyle, adding the right protein supplement to your routine can make all the difference.

Here, you can buy protein powder online from world-renowned brands such as Optimum Nutrition, Dymatize, and many more. Each blend is formulated to support muscle recovery, endurance, and growth, whether you’re aiming for lean definition or mass gain. From the best protein powder for muscle gain to dairy-free protein powder for sensitive digestion, we bring you every option under one roof.

A vast range of sports nutrition products, including mass gainer, sugar-free, and unflavoured protein powder, is available for those who like to customise their shakes. Whether you love classic vanilla protein powder or need the best protein powder for men and women, we deliver authentic, imported products directly to your doorstep.

Explore Different Types of Protein Powder

Different bodies have different needs, and so does your protein source. Here’s a complete guide to help you explore different types of protein powder supplements, featuring the most trusted formulations.

Whey Protein – The Classic for Strength & Speed

When it comes to the best protein powder for muscle gain, whey protein tops the list. It’s a fast-digesting, complete protein that delivers all essential amino acids for quick recovery and muscle repair. Optimum Nutrition’s Gold Standard Whey and Dymatize Elite Whey are among the most popular choices in the sports nutrition category, ideal for post-workout shakes and muscle recovery. Enjoy them as vanilla protein powder, chocolate, or unflavoured for your custom mix. Over on Reddit’s r/StrongerByScience community, users often discuss protein quality and effectiveness. One user shared a refreshingly simple perspective:

“Its the contrary, whey protein is very high quality. One of the reasons is because it is high in leucine. If anything it is higher quality than most vegetal sources of protein.

But you're overthinking here because protein quality does not matter if you eat a lot of it.

If you're eating 200g of protein it does not matter where you get it from.”

Source: r/StrongerByScience (Reddit)

Whether you’re a seasoned lifter fine-tuning your nutrition or just starting your fitness journey, the right protein powder can accelerate muscle growth, aid recovery, and help you reach your goals faster, one scoop at a time.

Casein Protein – Night-Time Recovery Fuel

Unlike whey, casein protein digests slowly, making it perfect for nighttime nourishment. It supports muscle repair while you rest and prevents breakdown during fasting hours. Explore True Nutrition and Optimum Nutrition’s micellar casein protein supplements range,  ideal for those who want sustained-release protein for long-lasting muscle support.

Egg Protein – The All-Natural Power Source

Derived from egg whites, egg protein is a lactose-free, nutrient-rich option loaded with essential amino acids. It’s a great alternative to dairy and soy, supporting lean muscle gain without added sugars or fillers. Try True Nutrition’s pure egg protein powder, available in unflavoured for easy blending into your meals or shakes.

Soy Protein – The Plant-Based Performer

If you’re looking for a vegan protein powder that doesn’t compromise on amino acid content, soy protein is your ideal pick. It helps build muscle and enhances endurance while being completely dairy-free. Brands like Dymatize and True Nutrition offer premium soy-based protein powders for those following a vegetarian or plant-forward diet. Reddit users in the r/PHitness community have shared their real-world experiences with plant-based protein powders. One user described their practical and personal take,

“Soy protein isolate na ang pinaka sulit na protein powder. Decent macros, tons of fiber, and soy is a really high quality protein. (Kaya hinahaluan ko din ng TVP yung giniling ko.)

But the taste. Ugh. It's like drinking flavored latak. There are worse textures, pero sanayan talaga.”

Source: r/PHitness (Reddit)

Whether you’re fully plant-based or just exploring dairy-free options, the right soy protein powder can make all the difference, giving you the nutrition, recovery, and performance you need to stay strong and energised.

Pea Protein – Gentle and Balanced

Pea protein is another dairy-free protein powder option that’s hypoallergenic and easy on digestion. It’s rich in BCAAs and ideal for anyone sensitive to lactose or gluten. With True Nutrition’s plant-based pea blends, you get clean, balanced protein support that fits into vegan lifestyles or post-workout recovery routines.

Rice Protein – Clean & Hypoallergenic Nutrition

Rice protein powder provides a gentle yet effective source of protein, perfect for those with food sensitivities. It’s also a great base for blending with other plant proteins like pea or hemp. Choose True Nutrition’s rice protein for muscle recovery, weight management, and sustained energy without allergens or additives.

Hemp Protein – The Complete Superfood Protein

Packed with Omega-3 and Omega-6 fatty acids, hemp protein powder is more than just protein; it’s a complete superfood. It supports metabolism, muscle recovery, and heart health. Under health & supplements, True Nutrition offers hemp-based blends that are vegan, organic, and ideal for those seeking holistic nutrition.

Top Picks of Protein Powders for Every Fitness Goal

Discover the best protein types from various protein supplements tailored for strength, endurance, and recovery. Find your match under sports nutrition exclusively at Ubuy Japan.

Protein Powder Type

Description

Top Brands

Best For

Whey Protein

Quick absorption and complete amino profile

Optimum Nutrition, Dymatize

Muscle gain & post-workout recovery

Casein Protein

Slow-digesting formula for sustained repair

True Nutrition, Optimum Nutrition

Overnight recovery & lean muscle retention

Egg Protein

Dairy-free and nutrient-rich

True Nutrition

Lean muscle growth & lactose intolerance

Soy Protein

Vegan, high-protein alternative

Dymatize, True Nutrition

Endurance & strength support

Pea Protein

Gentle on digestion and allergen-free

True Nutrition, Optimum Nutrition

Vegan & gluten-free diets

Rice Protein

Clean, plant-based energy source

True Nutrition

Hypoallergenic nutrition & recovery

Hemp Protein

Omega-rich and organic

True Nutrition

Balanced diet & vegan wellness

Mass Gainer Protein Powder

High-calorie blend with carbs & protein

Dymatize, Optimum Nutrition

Weight gain & strength building

Sugar-Free Protein Powder

No added sugar, clean formula

True Nutrition

Low-carb & weight management goals

Vanilla / Unflavoured Protein Powder

Customisable taste options

Optimum Nutrition

Everyday use & flexibility

Frequently Asked Questions About Protein Powder

  • Is it safe to drink protein powder every day?

    Protein powder can be safe to drink on a daily basis, depending on the intake criteria. For specific criteria, it is suggested that one consume up to 1.5 grams of protein for health results.

  • What kind of protein powder is best?

    Whey protein powders are compared effective to other protein supplements, as they enter the blood faster to provide essential protein to muscles and fuel overall health.

  • Do I really need protein powder?

    Protein powders are not necessarily required, but they are beneficial in many ways. For athletes, they help provide speedy muscle recovery, which is useful for people chasing an active lifestyle. Protein shakes and bars help vegan people get extra protein and are helpful for people with limited appetites and restricted diet plans.

  • Can I take protein powder for weight loss?

    Yes, protein powders are helpful in weight loss, along with suggested exercise and healthy food choices.

  • Where can I buy protein powders online in Japan?

    Buy protein powders at exclusive prices from Ubuy Japan; some of the top brands for you to choose from are MyProtein, MuscleTech, Optimum Nutrition, and more.

  • What is protein powder, and who should use it?

    Protein powder is a convenient supplement used to increase daily protein intake. It’s beneficial for athletes, gym-goers, and anyone wanting to maintain lean muscle. You can explore a wide variety at Ubuy Japan.

  • Is it necessary to use protein powder to build muscle?

    Not always, but protein powder helps you meet your daily protein requirements efficiently. For muscle gain or weight management, options like whey and mass gainer protein powder are the most effective.

  • What is the difference between whey, casein, and plant-based protein?

    Whey protein is fast-absorbing and great post-workout, casein protein digests slowly for night-time recovery, and plant-based proteins like soy, pea, or hemp protein are suitable for vegans or those with dietary restrictions.

  • Can protein powder damage my kidneys?

    When consumed in moderation, high-quality protein powders from Optimum Nutrition, Dymatize, or True Nutrition are completely safe. Always drink plenty of water and follow serving recommendations.