10 Best Nsf Certified Protein Powder of 2025

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

July 2025 Edition

Editor's Choice

9.7

Levels Nutrition

Levels Grass Fed Whey Protein Powder, No Artificials, 24G of Protein, Pure Chocolate, 5LB

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Editor's bottom line:

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

Main Highlights

LEVELS WHEY PROTEIN: Each scoop of Levels Pure Chocolate 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 chocolate flavor here. Levels Pure Chocolate Whey is made with delicious cold-pressed cacao 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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Picked by 271 people today

9.5

THORNE

THORNE - Whey Protein Isolate - 21 Grams of Easy-to-Digest Whey Protein Powder - NSF Certified for Sport - Vanilla Flavored - 29.5 Ounces - 30 Servings

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Main Highlights

High-Quality Ingredients: 21 grams of high-quality, bioavailable whey protein isolate with flavors and sweeteners derived from natural sources
Muscle Support: Helps maintain healthy muscle mass and supports muscle repair after injury or training*
Tastes Great: Low in calories, sugar, and fat, with flavors and sweeteners derived from natural sources
NSF Certified for Sport: Tested for compliance with label claims and to ensure the absence of more than 200 substances banned by many major athletic organizations
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners

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Best Value

9.5

Save 33%

Vega

Vega Premium Sport Protein Vanilla Protein Powder, Vegan, Non GMO, Gluten Free Plant Based Protein Powder Drink Mix, NSF Certified for Sport, 29.2 oz, Packaging may vary

33% OffFree Shipping

Main Highlights

Vega Premium Sport Protein Vanilla Protein Powder: One 29.2 oz tub of Vega Premium Sport Protein Vanilla Protein Powder contains about 20 servings; the vanilla drink mix blends seamlessly into water, milk, or protein smoothie for rich vanilla protein shakes without the clumps or grit
Protein for Post Workout Recovery: Vega Premium Sport Protein Vanilla drink powder contains 30 grams of protein and 5 grams of BCAAs (branched-chain amino acids) in each serving to help you recover, rebuild and reset for round two
Zero Sugar Added Vegan Protein: Enjoy an added boost of protein in your smoothies or protein shakes without adding any sugar; this keto protein drink contains 2 billion CFUs of probiotics and 2 grams of dietary fiber per serving, and is sweetened with stevia
Clean Nutrition Protein Powder: Vega Premium Sport Protein Vanilla Protein Powder protein supplement powder mix is NSF Certified for Sport and free of banned substances; non GMO, gluten free, vegan protein has no artificial flavors or preservatives
Scoop, Shake, and Enjoy: Mix up one scoop of Vega Sport Protein Vanilla sugar free protein powder in 12 fl oz of ice-cold water or a non-dairy beverage using a shaker cup or blend one scoop into your favorite smoothie or vegan protein shake recipe

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9.2

Save 24%

Garden of Life

Garden of Life SPORT Whey Protein Powder Vanilla., Premium Grass Fed Whey Protein Isolate plus Probiotics for Immune System Health, 24g Protein, Non GMO, Gluten Free., Cold Processed - 20 Servings

24% OffFree Shipping

Main Highlights

CLEAN WHEY PROTEIN: Truly Grass Fed Certified, Non GMO Project Verified, Gluten free, Soy free, NSF Certified for Sport and Informed Choice for Sport Certified, with No added hormones, No antibiotics, No added sugars
POST WORKOUT RECOVERY: Our Garden of Life Sports Whey Protein Isolate helps you refuels & repair muscles after a hard workout with 24g Grass Fed Whey, 4g Glutamine and over 6g BCAA amino acids
IMMUNE SYSTEM SUPPORT: This protein shake supports your immune system during a taxing training regimen or dieting cycle; rBST, rBGH and antibiotic free, un-denatured, cold-processed, micro-filtered, Non-GMO Project Verified and BSE free
VANILLA PROTEIN POWDER: Our whey isolate protein powder helps reduce recovery time after a workout, helping you get back to training faster
PROTEIN FOR A LEAN BODY: This protein powder for men and women can be used within an hour after a workout or throughout the day to combat hunger and improve satiety

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9.0

Save 29%

Garden of Life

Organic Vegan SPORT Protein Powder, Chocolate - Probiotics, BCAAs, 30g Plant Protein for Premium Post Workout Recovery, NSF Certified, Keto, Gluten & Dairy Free, Non GMO, Garden of Life - 19 Servings

29% OffFree Shipping

Main Highlights

ORGANIC SPORT PROTEIN: Enjoy 30g of organic plant based protein powder per serving, certified USDA organic, Non-GMO project verified, NSF certified for sport, vegan & organic protein powder chocolate flavored
POST WORKOUT RECOVERY: Our Garden of Life Protein Powder helps you refuel & repair muscles after a hard workout with a plant protein powder that contains 30 grams of complete protein and over 5 grams BCAA amino acids, glutamine & glutamic acid
RECOVERY DRINKS: This sport protein powder helps reduce recovery time with an organic antioxidant blend of organic tart cherries, organic apples, organic turmeric, organic goji berries and organic blueberries, making it a sugar free protein powder
IMMUNE SYSTEM SUPPORT: This BCAAs amino acid powder is made with pea protein powder and contains 2 billion CFU probiotics to support your immune system during training
CERTIFIED: Breathe easy knowing this vegan amino acid and dairy free protein powder is free of any banned substances for sport

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8.8

Save 14%

Optimum Nutrition

Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate, 2 Pound (Packaging May Vary)

14% OffFree Shipping

Main Highlights

Gold Standard 100% Whey - 24g of protein per serving to help build and maintain muscle when taken over time with regular resistance training
5.5g of aturally occurring branched chain amino acids (BCAA and 11g of naturally occurring essential amino acids (EAAs) per serving to support muscle recovery
Anytime formula great before or after exercise, between meals, with a meal, or any time of day when you need extra protein
Optimum Nutrition is the World's #1 Sports Nutrition Brand*
Banned substance tested and the highest quality control measures so you feel comfortable and confident consuming the product
*Source Euromonitor International Limited; Consumer Health 2023 Edition, Sports Nutrition category, % retail value shares, 2022 data

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8.6

Save 14%

Vital Proteins

Vital Proteins Performance Powder, 25g Lactose-Free Milk Protein Isolate Powder, NSF for Sport Certified, 10g Grass-Fed Collagen Peptides, 8g EAAs, 5g BCAAs, Gluten-Free - Chocolate, 1.72lb

14% OffFree Shipping

Main Highlights

Combine with 25g Protein and 10g Collagen ---- By combining lactose-free milk protein isolate with collagen peptides, Vital Performance Protein Powder delivers 25g of complete protein designed to complement your fitness routine.
Why We Can Say 'Lactose-Free' ---- Processed: Milk milk protein concentrate milk protein isolate lactase enzyme adds to further reduce the lactose content. Excellent supplement for lactose-intolerant and active lifestyle consumers, looking to boost their daily intake of complete, high-quality protein and collagen.
What It Does ---- Dairy proteins are high-quality proteins due to their EAA content and digestibility. Our milk protein isolate delivers the same casein/whey ratio (80:20) as milk. It provides a robust amino acid profile to support muscle protein synthesis and improved recovery.**
Versatile Collagen ---- 10g of Collagen, sourced from grass-fed, pasture-raised bovine hide. Digested and absorbed by the body quickly for maximum benefits. Help promotes healthy bones, joints and tendons.**
Anytime Protein ---- When you want to boost your protein and collagen intake throughout the day, this protein powder is ideal for both post-workout recovery and anytime nutrition**. Blend 2 scoops into cold water or into your favorite smoothie recipe. If you want to boost leucine content > 2.5, consider 3 scoops/day.

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8.3

Save 17%

Dymatize

Dymatize ISO100 Whey Protein Powder Isolate, Gourmet Chocolate, 25g of Protein, 20 Servings, 5.5g BCAAs, Less Than 120 Cal., Gluten Free, 1g Fat, 1g Sugar, 2g Carb

17% OffFree Shipping

Main Highlights

OUR BEST-QUALITY PROTEIN: Dymatize ISO100 is our higest-quality protein, and it is designed to support muscle growth through rapid protein absorption. The protein is broken down into small peptides, facilitating faster digestion and absorption.
WITH YOU, WE PUSH WHAT IS POSSIBLE: Just like you push to improve, Dymatize pushes protein to the next level. One of the best protein powders in the game, its filtered to remove excess lactose, carbs, fat, and sugar for maximum gains.
FOR EVERYONE: This protein powder that is Made in the USA is ideal for everyone. Whether youre at the beginning of your exercise journey, maintaining a healthy lifestyle, gym veteran, or need a quick meal replacement on the go, Dymatize is here.
SIMPLE: 25g of protein, 5g of BCAA, 1g of fat, 1g of sugar, gluten free, and less than 120 calories, ISO100 whey protein provides a simple macro
YOU MIX YOUR WAY: Mix with water, almond milk, oat milk, or your favorite liquid for a delicious drink. Add it to overnight oats, pancakes, or waffles to give your protein-packed meal to kick start your day.

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8.1

Save 14%

Muscle Milk

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

14% OffFree Shipping

Main Highlights

Contains one (1) 2 pound cannister (about 11 servings) of Muscle Milk Pro Series Protein Powder Supplement. Packaging may vary. Shaker bottle sold separately.
HELPS SATISFY HUNGER AND BUILD MUSCLE plus plus Muscle Milk Pro Series supplies your body with high quality protein to support post-workout recovery and muscle growth and maintenance. plus plus Try taking it to-go in a shaker bottle for energizing on-the-go nutrition.
KEY FEATURES Based on 1 serving, Muscle Milk Pro Series Protein Powder contains 50g high-quality protein, 3g sugar, and an excellent source of 20 vitamins and minerals.
VERSATILE AND EASY-TO-MIX Muscle Milk Pro Series dissolves easily in water; just mix 2 scoops into 10-16 fluid ounces of water using a shaker bottle. Shaker bottle sold separately. plus plus
SCIENCE BEHIND PROTEIN Muscle Milk Pro Series provides a blend of high-quality slow releasing and fast releasing proteins to help increase amino acid levels. These essential amino acids play a role in muscle growth and maintenance of muscle mass. plus plus
TESTED FOR BANNED SUBSTANCES Muscle Milk Protein Powders are NSF Certified for Sport. NSF screens for more than 270 substances banned by most major athletic organizations.
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
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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8.1

Save 7%

Muscle Milk

Muscle Milk Genuine Protein Powder, Vanilla Crème, 1.93 Pounds, 12 Servings, 32g Protein, 2g Sugar, Calcium, Vitamins A, C & D, NSF Certified for Sport, Energizing Snack, Packaging May Vary

7% OffFree Shipping

Main Highlights

Contains one (1) 1.93 pound cannister (about 12 servings) of Muscle Milk Genuine Protein Powder. Packaging may vary. Shaker bottle sold separately
HELPS SATISFY HUNGER AND BUILD MUSCLE Muscle Milk Genuine Protein Powder supplies your body with high quality protein to support post-workout recovery and muscle growth. Or try taking it to-go in a shaker bottle for an energizing on-the-go breakfast.
KEY FEATURES Based on 1 serving, Muscle Milk Genuine Protein Powder contains 32g high-quality protein, 2g sugar, and an excellent source of Calcium and Vitamins A, C & D
VERSATILE AND EASY-TO-MIX Muscle Milk Genuine Protein Powder dissolves easily in water; just mix 2 scoops into 8 fluid ounces of water using a shaker bottle. Shaker bottle sold separately. Also add to recipes when you are looking for a protein boost.
SCIENCE BEHIND PROTEIN Muscle Milk Genuine provides a combination of high-quality slow releasing and fast releasing proteins to help increase amino acid levels. These essential amino acids play a role in muscle growth and maintenance of muscle mass.
TESTED FOR BANNED SUBSTANCES Muscle Milk Protein Powders are NSF Certified for Sport. NSF screens for more than 270 substances banned by most major athletic organizations.

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Our Best Overall Choice

Best Choice

9.7

Levels Nutrition

Levels Grass Fed Whey Protein Powder, No Artificials, 24G of Protein, Pure Chocolate, 5LB

Free 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

LEVELS WHEY PROTEIN: Each scoop of Levels Pure Chocolate 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 chocolate flavor here. Levels Pure Chocolate Whey is made with delicious cold-pressed cacao 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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