10 Best Xs Protein Powder of 2025

Tested and Reviewed: Top 10 Xs Protein Powder deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

NAKED

NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient, Unflavored Whey Protein, NSF Certified, Undenatured, Gluten Free, Soy Free, No GMOs, No Preservatives

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Editor's bottom line:

“This xs protein powder is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ONLY ONE INGREDIENT: 100% Grass Fed Pure Whey Protein with zero additives. Naked Whey has no artificial sweeteners, flavors, or colors and is GMO-Free, No rBGH or rBST, Soy Free and Gluten-Free.
ALL NATURAL WHEY: Our Grass Fed Whey is sourced from small non-GMO dairy farms to bring you a non-denatured whey packed full of essential amino acids, clean protein and glutathione.
MAXIMUM NUTRITION: 25g of protein, 2g sugar, 3g carbs, 120 calories, and 5.9g BCAAs per serving. As an NSF Certified protein powder, Naked Whey is verified for purity and safety.
COLD PROCESSED: Unlike most whey protein powders, Naked Whey is cold processed to ensure zero contamination from chemical detergents (no acid or bleach) or, synthetic additives, and this maintains important naturally occurring growth factors.
THE PERFECT WORKOUT PARTNER: Create pre and post workout whey shakes, smoothies and recipes to take your muscle gains and recovery to new heights.

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Picked by 397 people today

9.5

JUST INGREDIENTS

JUST INGREDIENTS Vanilla Protein Powder - Grass-Fed Whey Blend, Organic, Gluten Free - 15 Servings, 22g Protein

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Main Highlights

PURE VANILLA PROTEIN: Savor natural vanilla flavor with grass-fed whey protein. Ideal for protein shakes, smoothies, and baking. Low calorie and high protein for daily nutrition needs.
CLEAN INGREDIENTS ONLY: Made without artificial sweeteners, sugar alcohols, or gluten. Sweetened with Stevia leaf and monk fruit. Contains coconut milk and sea salt for a smooth, delicious taste.
MULTI-SOURCE PROTEIN BLEND: Features whey, pea, collagen, and chia seed proteins. Supports muscle growth, bone strength, and gut health. Provides a balanced amino acid profile for optimal wellness.
VERSATILE USAGE OPTIONS: Perfect for post-workout recovery, meal replacement, or healthy snacks. Blends easily into drinks or recipes. Enjoy a high-protein, low-sugar boost anytime of day.
QUALITY ASSURED FORMULA: Certified gluten free and free from artificial colors, gums, and emulsifiers. Dairy free, soy free, and preservative free. Designed for adults seeking clean, effective nutrition.

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9.5

NAKED

NAKED Whey Chocolate Protein Powder - Only 3 Ingredients - Grass Fed Whey Protein Powder, Organic Chocolate and Organic Coconut Sugar, NSF Certified, No GMO, No Soy, and Gluten Free - 24 Servings

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Main Highlights

ONLY THREE INGREDIENTS: 100% Grass Fed Pure Whey Protein, Organic Chocolate, and Organic Coconut Sugar. Naked Chocolate Whey contains no artificial sweeteners or colors and is GMO-Free, Soy Free and Gluten-Free.
ALL NATURAL WHEY: Our Chocolate Grass Fed Whey is sourced from small dairy farms to bring you non-denatured whey packed full of essential amino acids, clean protein and glutathione.
MAXIMUM NUTRITION: 25g of Protein, 5g of Sugar, 8g of Carbs, 160 Calories, and 6.0g of BCAAs (branched-chain amino acid) per serving. As an NSF Certified protein powder, Naked Whey is verified for purity and safety.
COLD PROCESSED: Unlike most whey protein powders, Naked Chocolate Whey is cold processed to avoid contamination from chemical detergents, or synthetic additives.
CHOCOLATE WHEY PROTEIN: Use our grass fed chocolate protein powder as the perfect base of subtle flavor to blend with fruits and vegetables to create healthy pre and post-workout protein shakes. Because Chocolate Naked Whey has only 3 ingredients, you can use it to bake high protein recipes such as protein pancakes to take your gains to new heights.

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9.2

Isopure

Isopure Zero Carb 100% Pure Whey Isolate Protein Powder, Gluten Free, with Vitamins, Unflavored, 25g Protein Per Serving, 1 Lb, 16 Servings (Packaging May Vary)

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Main Highlights

One 1 lb bag (16 servings) of Isopure 100% pure whey isolate protein powder to help support daily health and overall wellness; no flavor added
25 grams of 100% pure whey protein isolate powder is the ideal choice for men and women looking to maintain a high-protein intake to meet their daily protein needs
Stick to your wellness goals with a zero carb protein powder designed to help you maximize your protein intake without adding unnecessary carbs to your daily meals
Mix this sugar free whey protein powder with 6-8 fl oz of your favorite flavored beverage in a shaker or blender for a daily protein boost
Supporting everyday nutrition is easy for any lifestyle thanks to the blend of 8 ingredients in Isopures keto friendly protein supplement powder

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9.0

Ascent

Ascent 100% Whey Protein Powder - Post Workout Whey Protein Isolate, Zero Artificial Flavors & Sweeteners, Gluten Free, 5.5g BCAA, 2.6g Leucine, Essential Amino Acids, Chocolate Peanut Butter 2 lb

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Main Highlights

Native Whey Protein Powder Isolate Blend - The least-processed chocolate peanut butter whey protein available today, naturally higher in leucine for muscle synthesis. Mixes silky smooth every time with just cold water.
25g Protein Per Scoop - 5.7g Naturally Occurring BCAAs, and a clean, minimalist ingredient list. Certified Gluten Free and Informed Choice Certified. Lightly sweetened with stevia leaf extract.
Designed for Post Workout Recovery - Supports fitness goals with pure whey that rapidly digests to fuel muscle growth and recovery. A protein smoothie essential.
0g of Added Sugar, Zero Artificial Flavors and Sweeteners - Clean, pure protein that easily fits low carb and keto diets. Perfect for recipes & baking high protein snacks.
2 LB Whey Protein Powder with included scoop - Simple collapsible bag packaging for easier storage in small or irregular cabinets and drawers.

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8.8

Optimum Nutrition

Optimum Nutrition Gold Standard 100% Whey Protein Powder, Vanilla Ice Cream, 0.68 Pound (Pack of 1)

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Main Highlights

GOLD STANDARD WHEY PROTEIN - 24g of premium whey protein per scoop from whey protein isolate and concentrate to help build and maintain lean muscle when paired with regular resistance training.
10 SERVING TRIAL SIZE - The perfect trial size for individuals new to protein powder, fitness enthusiasts, or those just wanting to boost their daily protein intake. Try Optimum Nutrition's Gold Standard Whey for yourself!
POST WORKOUT RECOVERY - Loaded with 5.5g of naturally occurring BCAAs (branched-chain amino acids) and 11g of essential amino acids (EAAs) to supercharge recovery and get the most out of your workouts.
TRUSTED AND SAFE - Banned-substance tested and made by the worlds #1 sports nutrition brand - The Gold Standard for protein quality so you feel comfortable and safe down to the last scoop!
ANYTIME FORMULA - A great choice post run or lift, between meals, with a meal, or any time of day when you need extra protein.
INSTANTIZED FORMULA - Ultra easy mixing, no clumps. Just shake, stir, or blend one scoop with 68oz of water, milk, or your favorite beverage for about 20 seconds.

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8.6

Orgain

Orgain Organic Vegan Protein Powder, Vanilla Bean - 21g Plant Protein, 6g Prebiotic Fiber, No Lactose Ingredients, No Added Sugar, Non-GMO, For Shakes & Smoothies, 2.03 lb (Packaging May Vary)

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Main Highlights

CLEANER INGREDIENTS: 21g of Organic plant based protein and 1g sugar. Our protein blend contains Organic peas, brown rice & chia seeds with all 9 essential amino acids. Each serving has low net carbs and features 6g of prebiotic + fiber* for gut support.
HIGHER STANDARDS: This product is vegan, contains no erythritol, gluten-free, kosher, made without soy ingredients & Non-GMO. You also won't find any carrageenan, lactose & dairy ingredients, artificial colors, flavors, sweeteners, or preservatives.
USDA ORGANIC & CERTIFIED PLANT-BASED: To ensure we are delivering on high-quality products, we use third parties to verify that we are certified USDA Organic and plant based.
CUSTOMIZE ANY WAY: You can mix this with any liquid like water, almond milk, oat milk, or blend it to create a delicious shake or smoothie. For even more creative ways you can add it to overnight oats and other baked goods for a protein and energy boost.
PERFECT FOR ANY LIFESTYLE: This protein powder is perfect for men and women alike, whether you're maintaining a healthy lifestyle, working out, looking to add more protein to your diet, following a diet regimen or an on the go meal replacement.
WHAT TO EXPECT: Includes 1 (2.03 Lb) (20 Servings) (Packaging May Vary) ready to mix Orgain Organic Vanilla Bean Protein Powder. Each serving contains 150 Calories (2 Scoops).

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8.3

Optimum Nutrition

Optimum Nutrition Gold Standard 100% Whey Protein Powder, Vanilla Ice Cream, 2 Pound (Packaging May Vary)

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Main Highlights

24 g High-Quality Whey Protein per Scoop 100% of the protein from whey for a fast-absorbing, complete protein source that supports muscle maintenance and growth.
5.5 g Naturally-Occurring BCAAs + 11g of naturally occurring EAAs Delivers essential amino acids including leucine, isoleucine, and valine to support post-workout muscle recovery, muscle strength and muscle building when taken over time with regular resistance training.
Low Sugar, Low Carb, Low Fat Ideal for Lean Muscle or Cutting Phases With just ~1 g sugar, ~3 g carbs per serving, and whey protein isolate as the primary ingredient with further carbs and fat isolated out. Its a high quality choice for athletes focused on lean muscle, weight management, or body-composition goals.
Instantized & Easy-Mix Formula (Great Mixability) Designed to dissolve smoothly in water, milk, or smoothies with a spoon, shaker, or blender perfect for fast post-workout shakes or convenient protein boosts.
Trusted Brand, Tested Quality & Versatile Use For 35 years, athletes have trusted Optimum Nutrition to fuel their training. Gold Standard Whey is the trusted choice for gym-goers, athletes, and everyday fitness enthusiasts worldwide use post-workout or as a protein supplement anytime.

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8.1

Ronnie Coleman Signature Series

Ronnie Coleman Whey XS Whey Protein Powder Vanilla Ice Cream 61 Servings – 20g Whey Isolate Protein Powder with BCAAs, EAAs & Glutamine – Low Sugar Supplement for Muscle Growth & Recovery

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Main Highlights

CONCENTRATED VANILLA ICE CREAM PROTEIN POWDER: Ronnie Coleman protein powder XS delivers 20g of premium-quality protein with just 2g of fat and 4g of sugar in every scoop of whey protein vanilla ice cream combining whey protein Isolate for efficient lean muscle support and strength recovery.
SUPPORTS RECOVERY WITH GLUTAMINE, EAAS, AND BCAAS: Every serving of Whey protein powder vanilla ice cream flavor contains 3.7g glutamine, 4g BCAAs, and 8.6g EAAs and Whey protein powder vanilla flavor helping fuel muscle repair and post-training recovery for improved performance
BLEND OF VANILLA ICE CREAM FLAVOR: Enjoy smooth, satisfying shakes with our advanced flavor system. Protein powder vanilla ice cream XS dissolves instantly in water or milk, offering a rich texture.
CLEAN PROTEIN WITHOUT FILLERS: Whey protein powder 5 lb XS supports a clean diet. In whey isolate protein powder there is No amino spiking, no added fillers, just pure protein whey powder you can trust for daily support or post-workout fuel.
QUALITY YOU CAN TRUST: Whey vanilla protein powder manufactured in a GMP-compliant facility using highest-grade ingredients in Mens protein powder Supplements. Designed to meet the needs of athletes and active lifestyles at an affordable price.

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8.1

Opportuniteas

Opportuniteas Grass Fed Whey Isolate Protein Powder – Unflavored, Heavy-Metal Tested, 28g Protein, Sourced from Ireland, Hormone-Free, Non-GMO, Packaged in USA – 1lb

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Main Highlights

CERTIFIED TRULY GRASS FED FROM IRELAND, PACKAGED IN THE USA Sourced from Irish dairy farms certified under the Truly Grass Fed program ensuring cows graze on open pastures for most of the year and are never treated with added hormones. Packaged in the USA to maintain freshness, traceability, and quality.
TESTED FOR HEAVY METALS AND QUALITY ASSURANCE - Every batch is lab-tested for heavy metals such as lead, arsenic, cadmium, and mercury. Verified for purity, potency, and protein content so you can trust whats in every scoop.
CLEAN INGREDIENTS, EASY TO DIGEST - Made with just two simple ingredients 99% whey protein isolate and less than 1% non-GMO sunflower lecithin for smooth mixing. No added sugar, flavors, gums, or preservatives. Naturally low-lactose and undenatured for easy digestion.
28G PROTEIN + 7.9G BCAAs + ALL 9 EAAs - Each serving delivers 28 grams of high-quality protein and 7.9 grams of naturally occurring BCAAs (leucine, isoleucine, valine) to support muscle growth, recovery, and performance.
TRANSPARENT BRAND WITH A PURPOSE - Opportuniteas focuses on clean nutrition, honest labeling, and sustainable sourcing. We donate 1% of sales to environmental nonprofits as part of the 1% for the Planet network.

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Our Best Overall Choice

Best Choice

9.7

NAKED

NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient, Unflavored Whey Protein, NSF Certified, Undenatured, Gluten Free, Soy Free, No GMOs, No Preservatives

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ONLY ONE INGREDIENT: 100% Grass Fed Pure Whey Protein with zero additives. Naked Whey has no artificial sweeteners, flavors, or colors and is GMO-Free, No rBGH or rBST, Soy Free and Gluten-Free.
ALL NATURAL WHEY: Our Grass Fed Whey is sourced from small non-GMO dairy farms to bring you a non-denatured whey packed full of essential amino acids, clean protein and glutathione.
MAXIMUM NUTRITION: 25g of protein, 2g sugar, 3g carbs, 120 calories, and 5.9g BCAAs per serving. As an NSF Certified protein powder, Naked Whey is verified for purity and safety.
COLD PROCESSED: Unlike most whey protein powders, Naked Whey is cold processed to ensure zero contamination from chemical detergents (no acid or bleach) or, synthetic additives, and this maintains important naturally occurring growth factors.
THE PERFECT WORKOUT PARTNER: Create pre and post workout whey shakes, smoothies and recipes to take your muscle gains and recovery to new heights.

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