You want protein powder from cows that actually eat grass. Not feedlot cattle pumped with hormones and antibiotics. The problem is dozens of brands claim their whey comes from grass fed cows, but they all look similar on the shelf. Some are concentrate, others are isolate. A few carry organic certification while others focus on NSF testing. Prices jump from $30 to $70 per tub and you have no idea which one actually delivers clean protein worth your money.
This guide breaks down the 8 best grass fed whey protein powders you can buy in 2025. You’ll see exactly what makes each brand different, from sourcing and certifications to protein content and ingredient lists. We cover concentrate versus isolate, organic versus conventional, and which formulas mix smoothly versus which ones clump. By the end you’ll know which grass fed whey matches your goals, whether you need maximum protein per scoop, want certified organic ingredients, or just need something that tastes good in water.
1. Levels Grass Fed Whey Protein
Levels offers grass fed whey protein powder from New Zealand dairy farms where cows graze year-round on pasture. Their whey concentrate delivers 24 grams of protein per scoop with minimal processing to preserve natural nutrients. You get a clean ingredient list without artificial sweeteners, colors, or thickeners that other brands load into their formulas.
Why this grass fed whey stands out
Levels uses single-ingredient sourcing from one cooperative of New Zealand farms instead of mixing whey from multiple suppliers across different countries. This traceability means you know exactly where your protein comes from. The company prioritizes taste and mixability without adding gums or lecithin, so you get protein that dissolves in water using just a shaker bottle.
Nutrition facts and ingredient profile
Each serving provides 24 grams of protein, 2 grams of fat, and 3 grams of carbohydrates from lactose naturally present in whey concentrate. You’ll find 5.5 grams of BCAAs per scoop to support muscle recovery. The chocolate and vanilla versions contain organic cocoa or vanilla extract with minimal stevia for sweetness, while the unflavored option contains nothing but grass fed whey.
Sourcing, quality, and certifications
The whey comes from certified grass fed farms in New Zealand that meet Grass Fed Standards Organization requirements. Cows eat fresh grass outdoors for most of the year with no added growth hormones or routine antibiotics. Levels tests every batch for heavy metals and ensures the whey stays cold processed to protect the protein structure and keep immunoglobulins intact.
Grass fed whey from pasture-raised cows contains higher levels of omega-3 fatty acids and conjugated linoleic acid compared to conventional whey from grain-fed cattle.
How to use it for best results
Mix one scoop with 8 to 12 ounces of water or milk within 30 minutes after your workout for optimal muscle protein synthesis. You can also blend it into smoothies, stir it into oatmeal, or use it in protein pancakes. The powder dissolves easily at room temperature without clumping.
Pricing, flavors, and where to buy
Levels sells 2-pound tubs for around $49 and 5-pound bags for approximately $109 directly from their website. You can choose from chocolate, vanilla, or unflavored varieties. The company ships throughout the United States and offers a satisfaction guarantee if you’re not happy with the taste or quality.
2. Naked Nutrition Grass Fed Whey
Naked Nutrition strips away all additives and delivers pure grass fed whey concentrate from California dairy farms. You get protein powder with zero artificial sweeteners, flavors, or thickeners. The unflavored formula contains just one ingredient: grass fed whey protein concentrate, making it one of the cleanest options available if you want complete control over what goes into your shakes.
Why this grass fed whey stands out
This brand focuses on maximum transparency with third-party testing results posted directly on their website for every batch. Naked Nutrition avoids adding sunflower lecithin or any emulsifiers that improve mixability but add unnecessary ingredients. The unflavored powder works perfectly if you want to add your own fruits, nut butter, or sweeteners without competing flavors.
Nutrition facts and ingredient profile
Each scoop provides 25 grams of protein, 3 grams of carbohydrates, and 2 grams of fat from the natural whey concentrate. You’ll get 5.9 grams of BCAAs to support muscle recovery after training. The powder contains no added sugars, though it does have natural lactose from the whey.
Unflavored grass fed whey protein powder gives you complete flexibility to create custom flavor combinations without artificial ingredients masking the natural dairy taste.
Sourcing, quality, and certifications
The whey comes from small California farms where cows graze on pasture without growth hormones or routine antibiotics. Naked tests every batch for heavy metals and publishes the results online so you can verify quality before buying.
How to use it for best results
Mix one scoop with 8 to 16 ounces of liquid in a blender for smoothest consistency. The powder doesn’t dissolve as easily as formulas with added lecithin, so blending works better than shaking.
Pricing, flavors, and where to buy
Naked sells 5-pound bags for approximately $90 on Amazon and their website. You can choose unflavored, chocolate, or vanilla varieties.
3. Orgain Grass Fed Whey Protein
Orgain brings certified organic grass fed whey protein powder to the market with USDA Organic certification backing every tub. Their whey comes from cows that graze on organic pastures without synthetic pesticides or herbicides touching their feed. You get 21 grams of protein per serving combined with probiotics and organic ingredients that separate this formula from conventional options.
Why this grass fed whey stands out
The organic certification means stricter standards for both the cows and the processing facilities compared to non-organic grass fed whey. Orgain adds 1 billion CFU probiotics to each serving for digestive support, which most other brands skip entirely. Their formula includes organic acacia fiber that helps the powder mix smoothly while adding prebiotic benefits.
Nutrition facts and ingredient profile
Each serving delivers 21 grams of protein, 7 grams of carbohydrates, and 3 grams of fat from the organic grass fed whey. You’ll find 4.8 grams of BCAAs per scoop to support recovery. The ingredient list includes organic cocoa, organic coconut sugar, and organic stevia leaf extract for sweetness in the flavored versions.
Sourcing, quality, and certifications
The whey comes from USDA Organic certified dairy farms in the United States where cows eat certified organic grass without synthetic fertilizers or pesticides. Orgain holds additional certifications including gluten-free and kosher verification.
Organic grass fed whey protein requires both organic farming practices for the pasture and organic certification for the dairy processing facility, creating dual oversight.
How to use it for best results
Mix one scoop with 8 to 12 ounces of water, milk, or plant-based milk after workouts or between meals. The powder blends well in smoothies without requiring a blender.
Pricing, flavors, and where to buy
Orgain sells 2-pound containers for around $40 on Amazon and their website. Available flavors include chocolate, vanilla, and creamy chocolate fudge.
4. Garden of Life Sport Grass Fed Whey
Garden of Life combines grass fed whey protein powder with NSF Certified for Sport verification, making it one of the few options tested for banned substances by athletes who compete professionally. Their whey concentrate comes from hormone-free cows and carries Non-GMO Project verification alongside grass fed certification. You get clean protein backed by multiple third-party testing protocols that meet requirements for competitive sports.
Why this grass fed whey stands out
The NSF Certified for Sport seal confirms every batch gets tested for over 270 banned substances including steroids, stimulants, and other compounds prohibited by major athletic organizations. Garden of Life also maintains Non-GMO Project Verification, which most grass fed whey brands skip. This dual certification approach gives you confidence the protein contains exactly what the label states.
Nutrition facts and ingredient profile
Each scoop delivers 24 grams of protein, 4 grams of carbohydrates, and 2 grams of fat from grass fed whey concentrate. You’ll find 6 grams of BCAAs per serving to support recovery. The chocolate version uses organic cocoa with stevia for sweetness, while vanilla relies on natural flavors without artificial additives.
Sourcing, quality, and certifications
The whey comes from certified grass fed Irish dairy farms where cows graze on pasture without growth hormones or routine antibiotics. Garden of Life maintains gluten-free certification and verifies their protein through independent NSF testing.
NSF Certified for Sport products undergo rigorous testing for banned substances, making them the safest choice for athletes subject to drug testing protocols.
How to use it for best results
Mix one scoop with 8 to 12 ounces of cold water or milk after training or between meals. The powder dissolves smoothly in a shaker bottle without clumping.
Pricing, flavors, and where to buy
Garden of Life sells 1.4-pound containers for approximately $45 on Amazon and their website. Available flavors include chocolate, vanilla, and coffee.
5. Natural Force Organic Grass Fed Whey
Natural Force delivers USDA Organic certified grass fed whey protein powder sourced exclusively from California family farms where cows graze on certified organic pastures. Their whey concentrate provides clean protein without additives while maintaining organic certification through every step of production. You get a formula that combines grass fed standards with strict organic requirements for both the dairy and processing.
Why this grass fed whey stands out
This brand maintains complete traceability from specific California farms instead of sourcing from multiple suppliers across different regions. Natural Force uses cold processing methods that keep the protein structure intact and preserve naturally occurring immunoglobulins. The organic certification covers both the pastures where cows graze and the processing facilities where whey gets manufactured.
Nutrition facts and ingredient profile
Each scoop provides 20 grams of protein, 3 grams of carbohydrates, and 1 gram of fat from organic grass fed whey concentrate. You’ll find 4.5 grams of BCAAs to support muscle recovery. The unflavored version contains pure whey concentrate while the chocolate and vanilla options use organic cocoa and organic vanilla extract with organic coconut sugar for sweetness.
Sourcing, quality, and certifications
The whey comes from certified organic California dairy farms where cows eat organic grass without synthetic pesticides, herbicides, or fertilizers. Natural Force verifies their farms follow both USDA Organic standards and grass fed protocols.
Organic grass fed whey protein requires continuous organic certification from the farm through final packaging, ensuring no synthetic substances touch the product at any production stage.
How to use it for best results
Mix one scoop with 8 to 10 ounces of water or milk after workouts or as a protein boost between meals. The powder blends smoothly in a shaker bottle without requiring a blender.
Pricing, flavors, and where to buy
Natural Force sells 14.8-ounce containers for around $35 on Amazon and their website. Available flavors include unflavored, chocolate, and vanilla.
6. Simply Teras Organic Whey Protein
Simply Teras delivers USDA Organic certified grass fed whey protein powder sourced from small family farms in the United States where cows graze on certified organic pastures. Their whey concentrate focuses on simplicity with an unsweetened, unflavored formula that contains nothing but organic whey protein. You get one of the cleanest organic options available without stevia, flavors, or any additives that typically hide in protein powders.
Why this grass fed whey stands out
The plain unsweetened formula gives you complete control over taste and sweetness without competing with other ingredients in your smoothies or recipes. Simply Teras avoids adding organic coconut sugar or stevia that other organic brands use, making this ideal if you want to control your sugar intake completely.
Nutrition facts and ingredient profile
Each serving provides 21 grams of protein, 3 grams of carbohydrates, and 2 grams of fat from organic grass fed whey concentrate. You’ll find 4.7 grams of BCAAs per scoop with naturally occurring lactose as the only carbohydrate source.
Sourcing, quality, and certifications
The whey comes from certified organic family farms where cows eat organic grass without synthetic pesticides or herbiotics. Simply Teras maintains USDA Organic certification and verifies their farms follow strict grass fed protocols.
How to use it for best results
Mix one scoop with 8 to 12 ounces of liquid after training. The unflavored powder works well blended into smoothies with your choice of fruits and sweeteners.
Pricing, flavors, and where to buy
Simply Teras sells 12-ounce containers for approximately $30 on their website. The product comes only in plain unsweetened format.
7. Momentous Grass Fed Whey Isolate
Momentous offers grass fed whey protein isolate instead of concentrate, delivering 20 grams of protein per serving with minimal fat and lactose. Their formula carries NSF Certified for Sport verification and sources whey exclusively from European dairy farms where cows graze on pasture. You get one of the few grass fed isolate options that meets strict athletic testing standards while providing fast-absorbing protein.
Why this grass fed whey stands out
The isolate processing removes most lactose and fat while concentrating the protein content to over 90% by weight. Momentous maintains NSF Certified for Sport status, which means every batch gets tested for banned substances by independent labs. This combination of grass fed sourcing and isolate purity makes it ideal if you want maximum protein absorption with minimal digestive issues.
Nutrition facts and ingredient profile
Each scoop provides 20 grams of protein, 1 gram of carbohydrates, and 0 grams of fat from grass fed whey isolate. You’ll find 4.5 grams of BCAAs per serving with virtually no lactose remaining after processing. The chocolate version uses natural cocoa and stevia for flavor without artificial sweeteners.
Whey protein isolate undergoes additional filtration that removes most lactose and fat, making it easier to digest for people with mild dairy sensitivities.
Sourcing, quality, and certifications
The whey comes from certified grass fed European farms where cows eat pasture grass without growth hormones or routine antibiotics. Momentous verifies quality through NSF Certified for Sport testing and maintains third-party verification for all ingredients.
How to use it for best results
Mix one scoop with 8 to 10 ounces of cold water immediately after training for rapid protein absorption. The isolate dissolves quickly in a shaker bottle without clumping.
Pricing, flavors, and where to buy
Momentous sells 20-serving containers for around $50 on their website. Available flavors include chocolate and vanilla.
8. Earth Fed Muscle Grass Fed Whey
Earth Fed Muscle provides grass fed whey protein powder from American pasture-raised cows with seasonal flavor rotations that go beyond standard chocolate and vanilla. Their whey concentrate delivers clean protein while offering unique taste options like pumpkin spice and peppermint that change throughout the year. You get a formula focused on both quality sourcing and enjoyable flavors that make daily protein intake less repetitive.
Why this grass fed whey stands out
The rotating seasonal flavors set Earth Fed Muscle apart from brands that stick to basic options year-round. They release limited edition flavors that align with holidays and seasons while maintaining the same grass fed whey base. The company also offers sample packs so you can test different flavors before committing to a full container.
Nutrition facts and ingredient profile
Each serving delivers 24 grams of protein, 3 grams of carbohydrates, and 2 grams of fat from grass fed whey concentrate. You’ll find 5.5 grams of BCAAs per scoop to support recovery. The flavored versions use natural ingredients with minimal sweeteners and no artificial additives.
Sourcing, quality, and certifications
The whey comes from American grass fed farms where cows graze on pasture without growth hormones or routine antibiotics. Earth Fed Muscle tests their products through third-party labs for quality verification.
Seasonal protein flavors can help you stick with consistent supplementation by reducing flavor fatigue from drinking the same shake every day.
How to use it for best results
Mix one scoop with 8 to 12 ounces of cold water or milk after training or between meals. The powder blends smoothly in a shaker bottle.
Pricing, flavors, and where to buy
Earth Fed Muscle sells 2-pound containers for approximately $55 on their website. Flavors rotate seasonally with options like chocolate, vanilla, and limited edition varieties.
Final thoughts
You now have eight proven options for grass fed whey protein powder that deliver clean protein from pasture-raised cows without hormones or antibiotics. Each brand brings something different to your supplement routine: Levels and Naked focus on minimal ingredients, Orgain and Natural Force offer organic certification, Garden of Life and Momentous provide NSF testing for athletes, while Simply Teras and Earth Fed Muscle cater to specific preferences. Your choice depends on what matters most, whether that’s concentrate versus isolate, organic certification, third-party testing, or unique flavors that keep your daily shakes interesting.
Pick the grass fed whey that matches your protein goals and budget. Building muscle takes consistent effort beyond supplementation alone, so check out our complete guides on training and nutrition strategies to maximize your results with the right protein powder backing your progress.
