10 Best Whey Protein Powder 3rd Party Tested of 2025

Tested and Reviewed: Top 10 Whey Protein Powder 3rd Party Tested deals with expert ratings from 8.1 to a perfect 10

October 2025 Edition

Editor's Choice

9.7

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Raw Organic Whey

Raw Grass Fed Whey Protein Powder, Happy Healthy Cows, Undenatured, GMO-Free, Hormone Free, Gluten Free, Unflavored, Unsweetened, 5LB

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Editor's bottom line:

“This whey protein powder 3rd party tested is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ONLY 1 INGREDIENT: 100% Pure Grass Fed whey protein from the milk of jersey cows that graze freely on lush, green pastures year round. These small-farm cows are not only healthier but we believe happier too!
Highest Quality, Cold Processed, NON-GMO, Soy Free, rBGH/rBST Hormone Free, Gluten Free, Grass Fed, Heavy Metal Free
UNFLAVORED, No added sweeteners, preservatives or fillers & NO SOY lecithin. Processed WITHOUT acid or bleach
Sourced 100% from US Sustainable Small Farms. Cow's diet consists of a variety of wild grasses and clover - producing milk rich in omega-3s and CLAs

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Picked by 258 people today

9.5

Nutricost

Nutricost Isolate Whey Protein Powder, Vanilla, 5 pounds

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Main Highlights

5LBS of Vanilla Whey Protein Isolate Per Bottle
30 Grams of Protein Per Serving (Scoop Included)
Delicious Vanilla Flavor
Made in a GMP Compliant, FDA Registered Facility
3rd Party Tested. Non-GMO, Gluten Free, Soy Free

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9.5

Nutricost

Nutricost Whey Protein Powder, Unflavored, 5 pounds - from Whey Protein Concentrate

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Main Highlights

Undenatured, Whey Protein Concentrate
5LBS of Whey Protein Concentrate Per Bottle
Unflavored, Pure Whey Protein Concentrate
Non-GMO & Gluten Free
Made in a GMP Compliant, FDA Registered Facility

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9.2

Ora Organic

Ora Organic Plant-Based Protein Powder - 23g Protein for Women and Men - Vanilla Flavor 20 Servings, Vegan, Clean Protein, Third-Party Tested, Gluten-Free - 20 Servings

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Main Highlights

USDA Organic & Complete Amino Acid Profile Plant-based Protein Powder: We blend a variety of protein sources to ensure a balanced and complete amino acid profile for optimal lean muscle building. It includes 21 grams of protein and 3 grams of net carbs, all the while being completely vegan. We include 19 superfoods for added micronutrients and all essential amino acids to ensure you get the most out of your post-workout routine.
No Erythritol & Safe for Pregnant Mothers: No added sugars and no sugar alcohols. We use stevia and monk fruit extracts that are made purely from stevia leaf and monk fruit, with no erythritol added. Better yet, our product is pregnancy safe and great for people of all ages and walks of life whether that be toddlers, children, teens, adults, or seniors looking for protein.
Award Winning Taste & Texture: Our protein blends easily and come in flavors that are delicious on their own or effortlessly complement many food recipes and smoothies. Kids protein friendly - parents like to add a banana, one scoop of nut butter (peanut or almond typically), along with 1.5 cups of plant based milk for a delicious, nutritious smoothie.
Bloat Free Protein Powder for Sensitive Stomachs: Our inclusive plant-based protein formula uses the highest quality organic pea protein, organic rice protein and organic superfoods like sacha inchi, acai, pomegranate, kale, and turmeric. Weve also added comprehensive digestive enzymes including cellulase which helps break down hard to digest plant cell walls. Our thoughtful and meticulously sourced formulation helps eliminate bloating while maximizing protein absorption.
Formulated to Cater to Both Men and Women: This protein powder serves as an effective mass gainer, supporting muscle development and recovery. This product offers a convenient and delicious way to incorporate high-quality, plant-based protein into your daily routine, supporting your fitness and nutritional goals.

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9.0

Levels Nutrition

Levels Grass Fed Whey Protein Powder, No Artificials, 24G of Protein, Vanilla Bean, 2LB

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Main Highlights

LEVELS WHEY PROTEIN: Each scoop of Levels Vanilla Bean Whey contains 24g Protein, 5.4g BCAAs (branched-chain amino acids), and no added sugars. Trusted by athletes, fitness enthusiasts and daily grinders everywhere, our whey is crafted for everyones lifestyle.
NOTHING FAKE: Levels Whey is naturally delicious. That means no hormones, no GMOs, no added sugars, no soy, no gluten, no bleach, no fillers, and no artificial flavors or sweeteners.
SIMPLE & CLEAN: No fake vanilla flavor here. Levels Vanilla Bean Whey is made with delicious Madagascar Vanilla Extract and lightly sweetened with monk fruit extract.
QUALITY FIRST: Quality milk tastes better, way better. Thats why grass-fed hormone-free dairy is the only dairy we use to make our whey protein concentrate. Whey concentrate is the least processed form of whey, which means its loaded with high-quality complete protein and essential amino acids.
MADE IN THE USA: Levels Whey Protein is made in the U.S.A. and is undenatured to protect bioactivity and naturally occurring growth factors. Each batch is cold-process microfiltered and blended with non-gmo sunflower lecithin for that insanely easy mixing you expect.

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8.8

Natural Force

Natural Force Grass Fed Organic Whey Protein Powder - Non GMO, Keto Friendly, Low Carb, Kosher - Lab Tested for Toxins - Pure & Unflavored - 16 oz.

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Main Highlights

Grass Fed Organic Whey Protein Powder Impeccable quality, delicious taste, and only one ingredient: USDA organic, grass-fed whey protein. No sugar, sweeteners, additives, fillers, flavors, lecithin, or anything else. It is a farm to shake experience that cant be beat!
Low Carb Keto Friendly Whey Protein Natural Force Unflavored Organic Grass Fed Whey is certified Keto by the Paleo Foundation. Each scoop provides 20g of complete protein with only 100 calories and 2g total carbs.
Eco Friendly Packaging & Sustainable Sourcing Our whey is sourced from heritage breed Jersey cows that graze on lush, coastal California grasses all year long. It is then packaged in a BPA-free recyclable pouch that uses 70% less plastic than standard tubs. Use the pull tab to on the front of the package to open. Do not cut!
Lab Tested for Quality & Purity - Every batch is produced in a certified cGMP facility and is 3rd-party lab tested for quality and purity. It is then certified by leading organizations such as USDA Organic, Project Non-GMO, OU Kosher, and American Humane.
Nutrition You Can Trust - Natural Force values the health and happiness of our customers. If you have any questions, comments, or concerns, send us a message from your Amazon account and our world-class Customer Support team will help to make it right.

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8.6

Save 14%

Optimum Nutrition

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

14% OffFree Shipping

Main Highlights

Packaging may vary - New look, with the same trusted quality
Gold standard 100% whey blend 24 grams blended protein consisting of whey protein isolate, whey protein concentrate, and whey peptides to support lean muscle mass they don't call it the Gold Standard of quality for nothing
Over 5 gram of BCAAs Help build lean and strong muscles with naturally occurring BCAAs
3-4 gram carbs, 1-3 gram sugar, and 1-1.5 gram fat, gluten free, no sucralose in double rich chocolate flavor
Instantized Improves mixability to prevent lumps and clumps

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8.3

Beam

Beam Grass Fed Whey Protein Powder – Chocolate Peanut Butter, 12 Servings, 22g Protein Per Serving, Clean Whey Isolate & Concentrate, Low Carb, Paleo Friendly, GMO Free, Gluten Free, 3rd Party Tested

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Main Highlights

PREMIUM GRASS-FED WHEY Made from high-quality, grass-fed whey protein isolate & concentrate for optimal muscle recovery, lean muscle growth, and enhanced absorption with every scoop.
22G PROTEIN PER SERVING Delivers 22 grams of high-quality protein with minimal carbs & sugars, making it ideal for fitness enthusiasts, athletes, and anyone pursuing a lean, healthy diet.
CHOCOLATE PEANUT BUTTER PERFECTION Indulge in a rich, creamy chocolate peanut butter flavor with no chalky texture. Mixes easily in water, milk, or smoothies for a delicious protein boost.
GMO FREE, GLUTEN FREE & 3RD PARTY TESTED Made with clean ingredients and rigorously tested for purity. Free from artificial flavors, fillers, and unnecessary additives for premium quality.
PALEO FRIENDLY & EASY TO DIGEST Crafted for clean-eating lifestyles with a gut-friendly formula that wont cause bloating. Supports muscle recovery, repair, and overall wellness.

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8.1

True Nutrition

Unflavored Whey Protein Isolate Cold-Filtration - 100% Whey Protein Powder - 27g Protein per Serving - Mixes Easily and Tastes Great - Third Party Tested - Unflavored/Unsweetened - 1lb

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Main Highlights

PREMIUM QUALITY. FANTASTIC VALUE. True Nutritions Whey Protein Isolate Cold-Filtration is an excellent source of premium quality whey protein, and an economical choice at a value that is second to none!
MAXIMIZE MUSCLE GROWTH AND RECOVERY. Containing all essential amino acids, and especially rich in muscle building Leucine, whey protein isolate is highly effective in promoting muscle growth and is a perfect option for all day use, post workout, or even in smoothies.
MIXES QUICKLY & EASILY DIGESTED. Easily mixed in a shaker bottle, TNs Whey Protein Isolate is easily digested, immediately providing 27g of protein (per serving) without the bloat or discomfort of other protein powders
VIRTUALLY FAT FREE. Whey Protein Isolate Cold-Filtration undergoes a detailed cold-water filtration process in order to remove unwanted fat and lactose, resulting in a great-tasting and easy-mixing protein for post-workout or as needed in your diet!
THIRD PARTY TESTED. MADE IN THE USA. Virtually all True Nutrition products are made right here in the United States of America, and are tested by an independent third party laboratory to ensure they meet the highest of quality performance standards

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8.1

Body Fortress

Body Fortress Super Advanced Whey Protein Powder, Cookies N’ Creme, 60g Protein & 12g BCAAs Per 2 Scoops, Muscle Gain & Recovery, Immune Support with Vitamins C & D, 1.78lbs (Packaging May Vary)

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Main Highlights

60G OF PROTEIN PER 2 SCOOPS Power your workouts with 60g of high-quality whey protein per 2-scoop serving, designed to support muscle gain, strength, and post-workout recovery.
12G OF BCAAs FOR MUSCLE RECOVERY Packed with 12g of Branched Chain Amino Acids (BCAAs) to fuel muscle repair, reduce soreness, and optimize recovery after intense training.
IMMUNE SUPPORT FORMULA Fortified with Vitamins C & D and Zinc to help maintain a healthy immune system while you achieve your fitness goals.
DELICIOUS COOKIES N CREME FLAVOR Enjoy the creamy and indulgent taste of cookies and cream in a protein shake that mixes easily with water or milk for a satisfying treat.
CLEAN AND NUTRITIOUS Body Fortress Whey Protein is low in sugar, gluten-free, and contains no aspartame, making it a great addition to clean diets and active lifestyles.

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Our Best Overall Choice

Best Choice

9.7

Raw Organic Whey

Raw Grass Fed Whey Protein Powder, Happy Healthy Cows, Undenatured, GMO-Free, Hormone Free, Gluten Free, Unflavored, Unsweetened, 5LB

30% OffFree Shipping

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 1 INGREDIENT: 100% Pure Grass Fed whey protein from the milk of jersey cows that graze freely on lush, green pastures year round. These small-farm cows are not only healthier but we believe happier too!
Highest Quality, Cold Processed, NON-GMO, Soy Free, rBGH/rBST Hormone Free, Gluten Free, Grass Fed, Heavy Metal Free
UNFLAVORED, No added sweeteners, preservatives or fillers & NO SOY lecithin. Processed WITHOUT acid or bleach
Sourced 100% from US Sustainable Small Farms. Cow's diet consists of a variety of wild grasses and clover - producing milk rich in omega-3s and CLAs

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