10 Best Grass Fed Protein Bars of 2025

Tested and Reviewed: Top 10 Grass Fed Protein Bars deals with expert ratings from 8.1 to a perfect 10

May 2026 Edition

Editor's Choice

9.7

Atlas Protein Bar

Atlas Real Food Protein Bar – 20g Protein, 9g Fiber, 1g Sugar, No Seed Oils, No Artificial Sweeteners (Peanut Butter Chocolate Chip, 12 Count)

Editor's bottom line:

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

Main Highlights

Ingredients You Can Read: Made from real food peanut butter, whey protein isolate, milk protein isolate, coconut oil, chocolate chips, sea salt, and monk fruit. No seed oils like canola or soybean. No artificial sweeteners like sucralose or aspartame. No sugar alcohols like maltitol or erythritol.
20g Protein, 1g Sugar Per Bar: Each bar has 20g of quality protein from whey and milk protein isolate, and only 1g of naturally occurring sugar. No added sugar. Sweetened with monk fruit.
Real Peanut Butter Taste: Made with peanut butter as the first ingredient, delivering a rich, dense texture and satisfying bite. Naturally sweetened with monk fruit for a balanced flavor that tastes like real peanut butter, not overly sweet. Just real food that happens to have 20g of protein.
Feel the Difference: Fuel your day with ingredients your body recognizesno seed oils, artificial sweeteners, or sugar alcohols. With 20g of protein and 1g of sugar from real food like peanut butter and whey, you get clean, sustained energy. Its a nutrient-dense snack that leaves you feeling satisfied and powered up.
Made for People Who Read Labels: We believe you shouldn't have to choose between high protein and clean ingredients. Atlas delivers 20g protein and 1g sugar with real food ingredients no artificial sweeteners, no sugar alcohols, no seed oils. Every ingredient is something you'd recognize in a kitchen.

Show Price

Picked by 397 people today

9.5

Jacob

Jacob Bar, Protein Bars, Variety Pack (9 Bars Total) Contains 3 of Each; Chocolate, Vanilla, Berry - 20g Grass-Fed Protein, No Seed Oils, Nothing Artificial

Main Highlights

JACOB BAR - CLEAN INGREDIENT PROTEIN BAR: Jacob Bar Protein Bars contain REAL ingredients. Each bar has 20g of grass-fed protein, no seed oils and nothing artificial. Jacob Bar Protein Bars exist to create a world in which anyone who cares about their health never has to compromise! Jacob Bar Protein Bars are easy to grab and go at a moments notice
JACOB PROTEIN BARS: Most protein bars are loaded with garbage you don't want in your body, so we created a truly clean and tasty option. 20g of Grass-Fed Protein, No Seed Oils and Nothing Artificial
REAL CLEAN INGREDIENTS: Jacob Protein Bars are a statement that your health comes first. Because in health lies hope, and with hope the world is yours!
FOOD WITH HIGHER STANDARDS: Jacob Bar contains no gluten, no soy, no seed oils, no gums, no stevia, no sugar alcohol, no artificial sweeteners, no artificial colors and no preservatives. Just REAL FOOD
CLEAN HIGH QUALITY PROTEIN BARS: Jacob Protein Bars raise the bar on quality and ingredients. 20g of protein makes Jacob bar a fantastic high protein snack option or meal replacement

Show Price

9.5

Transparent Labs

Transparent Labs Protein+ Bars - Whole-Food Protein Bars w/ 15g+ Grass-Fed Whey & Egg Whites Protein, Natural Peanut & Almond Butter, No Artificial Sweeteners - Peanut Butter Chocolate Chip, 12 Bars

Main Highlights

Clean, Whole-Food Fuel, No Junk Ingredients: Protein+ Bars are made with real kitchen-cupboard ingredients like nut butters, dates, honey, gluten-free rolled oats, and dairy-free chocolate chips. Protein+ Bars include no artificial sweeteners, sugar alcohols, preservatives, or fillers.
High-Quality, Complete Protein: Each bar delivers 1516 grams of complete protein from grass-fed whey isolate and egg white protein for a premium, naturally sourced protein blend you can trust.
Balanced Macros for Steady, Lasting Energy: A thoughtful mix of whole-food carbs, healthy fats (including coconut oil and natural nut butters), and complete protein provides clean, steady fuel whether you're working out, on-the-go, or need a quick meal in a pinch. Perfect for men and women looking for an effective protein bar.
Rich, Crave-Worthy Taste & Just-Right Texture: Real dairy-free chocolate chips and creamy nut butters create a satisfying chew, never chalky, gritty, or artificially sweet. Our protein bars taste like a treat, but provide essential and clean ingredients your body craves.
Made for Quality-Focused Snackers: Perfect for anyone who wants a clean, real-ingredient bar that raises the standard, simple ingredients, complete protein, and craveable taste.

Show Price

9.2

PRIMA ANCESTRAL PROTEIN BAR

Prima Ancestral Protein Bar | Grass Fed Protein Bars | 21g Protein, Beef Tallow, Seed Oil Free | Mocha, 7 Pack

Main Highlights

21G GRASS FED PROTEIN PER BAR: 21g protein from grass fed bovine collagen peptides and grass fed whey protein concentrate -- two bioavailable animal-based protein sources per bar. 240 calories, 12g fat, 14g net carbs.
REAL WHOLE FOOD INGREDIENTS: Grass fed beef tallow, organic coconut, organic raw honey, organic cacao nibs, egg yolk, salt, and organic vanilla extract -- every ingredient is on the label, nothing more.
SEED OIL FREE, NO ARTIFICIAL SWEETENERS: Sweetened exclusively with organic raw honey. Zero seed oils, zero refined sugar, zero preservatives, zero emulsifiers, zero artificial sweeteners -- full stop.
MACRO PROFILE PER BAR: 240 calories,21g protein,12g fat,14g total carbs, 1g fiber, 12g total sugar (11g added from raw honey). Low carb friendly, high protein, no chalky protein bar aftertaste.
ON THE GO 7 PACK -- TEXTURE NOTE: Stash in your bag, desk, or car for clean fuel on busy days. Bars may soften in warm weather -- refrigerate to firm back up. Contains milk, egg, and coconut.

Show Price

9.0

Santa Cruz Paleo

Santa Cruz Paleo Protein Bar – 20g Grass-Fed Whey & Collagen Protein – Wildflower Honey Sweetened, No Seed Oils, High Protein Snack Bar (Vanilla Flavor, Pack of 10)

Main Highlights

REAL PROTEIN, REAL INGREDIENTS: Most protein bars are glorified candy bars loaded with cheap fillers and seed oils. Santa Cruz Paleo Protein Bars deliver a satisfying 20g of protein per bar from a grass-fed whey protein isolate and grass-fed collagen blend clean fuel your body can actually use, with no artificial sweeteners or processed sugars.
SIMPLE INGREDIENTS YOU CAN PRONOUNCE: Made with wildflower honey, peanut butter, beef tallow, chicory root inulin, peanut flour, and salt that's it. No seed oils, no gums, no preservatives, and no weird aftertaste. Just wholesome, real-food ingredients in every bite.
HIGH PROTEIN + HIGH PROTEIN FOR LASTING SATISFACTION: With 20g of protein and chicory root inulin for added fiber, these bars are built to keep you full and fueled whether you're powering through a workout, a busy workday, or need a smart snack between meals.
CREAMY VANILLA FLAVOR THAT ACTUALLY TASTES LIKE FOOD: Crafted with real vanilla bean powder and wildflower honey for a crave-worthy taste and satisfying texture. This is the bar you'll actually look forward to eating stash them at your desk, in your gym bag, or anywhere life takes you.
SANTA CRUZ PALEO UNCOMPROMISING STANDARDS: We believe you shouldn't have to choose between convenience and clean eating. Every Santa Cruz Paleo bar is crafted for those who demand better better ingredients, better nutrition, and better taste. Contains: milk, peanuts.

Show Price

8.8

PRIMA ANCESTRAL PROTEIN BAR

Prima Ancestral Protein Bar | 21g Grass Fed Whey + Collagen | Beef Tallow, Raw Honey | Seed Oil Free | Cacao - 7 Pack

Main Highlights

21G ANIMAL PROTEIN PER BAR: 21g protein from grass fed whey protein concentrate and grass fed bovine collagen peptides -- two complementary animal-based sources per bar, with 240 calories, 10g fat, and 17g carbs.
10 REAL INGREDIENTS, NOTHING ELSE: Grass fed whey protein, bovine collagen, grass fed beef tallow, organic coconut, organic raw honey, organic cacao nibs, organic vanilla extract, and salt. That is the complete list.
SEED OIL FREE, NO ARTIFICIAL SWEETENERS: No seed oils, no refined sugar, no artificial sweeteners, no preservatives, no emulsifiers. Naturally sweetened with organic raw honey -- 13g added sugars per bar.
FULL MACRO PANEL PER BAR: 240 calories -- 21g protein, 10g fat, 17g total carbs, 2g dietary fiber, 14g total sugars (13g added from raw honey). Grass fed beef tallow provides the fat; grass fed whey and collagen supply the protein.
ON-THE-GO 7-PACK, STORAGE NOTE: Shelf-stable Cacao bars -- one per day or post-workout. Bars may soften in warm weather, refrigerate briefly to firm up. Contains milk, egg, and coconut.

Show Price

8.6

PRIMA ANCESTRAL PROTEIN BAR

PRIMA Ancestral Protein Bar | Grass-Fed Protein Bars Variety Pack 7-Pack | 21g Protein | Animal-Based | No Seed Oils | Gluten-Free

Main Highlights

21G GRASS-FED PROTEIN PER BAR: Sourced from grass-fed bovine collagen peptides and grass-fed whey protein concentrate -- two complementary animal-based protein sources for a satisfying, complete protein bar.
REAL FOOD INGREDIENTS ONLY: Grass-fed beef tallow, organic coconut, organic raw honey, salt, and organic vanilla extract in every bar. Organic coconut nectar added in Salted Caramel only. No fillers.
SEED OIL FREE, NO ARTIFICIAL SWEETENERS: Naturally sweetened with organic raw honey -- no seed oils, no preservatives, no emulsifiers, no artificial sweeteners or refined sugars. See Nutrition Facts for sugar totals.
NUTRIENT-DENSE, LOW-CARB FRIENDLY: 240-250 calories per bar with 10-12g fat, 14-17g carbs, 1-2g fiber, and 21g protein -- macros vary slightly by flavor. No chalky aftertaste.
ON-THE-GO 7-PACK, VARIETY PACK: Cacao, Mocha, Salted Caramel, and Cookie Dough -- 4 flavors, one box. Bars may soften in warm weather; refrigerate to firm back up. Contains: Milk, Eggs, Coconut.

Show Price

8.3

Epic

EPIC Bison Uncured Bacon and Cranberry Bars, Grass-Fed, Protein Bar, 12 Ct, 15.6 oz

Main Highlights

EPIC SNACK BARS: Perfect on the go snacks featuring 100% grass-fed bison, uncured bacon , and cranberries
BALANCE OF FLAVORS: Each bar combines rich, savory uncured bacon from pork raised on a 100% vegetarian-fed diet with the slightly sweet, smoky notes of bison and the bright tartness of cranberries
PORTABLE PROTEIN: Each serving provides 7g of protein to help fuel busy days, workouts, and adventures; Perfect for your pantry, gym bag, desk drawer, or trail pack
GLUTEN FREE: These snack bars are gluten free and paleo friendly, making them easy to fit into any lifestyle
CONTAINS: One 15.6 oz box of EPIC Bison Uncured Bacon and Cranberry Bars; 12 Bars total

Show Price

8.1

Peak Protein

PEAK PROTEIN BARS - Dark Chocolate Mint - Natural - Grass-Fed Whey - 20G Protein - Non GMO - Gluten Free - Real Dark Chocolate (12 Pack)

Main Highlights

Natural
Gluten-Free
Non-GMO
Irish Grass-Fed Whey
Real Dark Chocolate

Show Price

8.1

Primal Power

Primal Power Beef Liver Bar 1100mg - New Zealand Grass-Fed, 211% DV B12, 10g Protein Collagen - Zero Added Sugar, No Seed Oils, Gluten Free - Chocolate Peanut Butter (12 Pack)

Main Highlights

1,100MG NEW ZEALAND GRASS-FED BEEF LIVER Real organ meat nutrition in every bar. 211% DV B12, bioavailable heme iron, Vitamin A, copper + 18 amino acids. Not tallow. Not pills. Actually tastes like chocolate.
ZERO LIVER TASTE 2 years perfecting our formula so you get all the nutrition without ANY liver flavor. Unsweetened dark chocolate + organic dates completely mask it. Thousands can't believe it's actually liver.
BLOAT-FREE CLEAN FUEL Real whole food ingredients only. NO seed oils, NO added sugar, NO fillers, NO binders, NO gums, NO artificial anything. No stomach discomfort just clean nutrition your body actually absorbs.
SKIP THE LIVER PILLS 1,100mg liver used to mean 6-8 capsules daily. Now it tastes like dessert. Same nutrients as desiccated liver supplements B12, heme iron, Vitamin A in a bar you'll actually enjoy.
ANCESTRAL FUEL FOR MODERN HUMANS 10g protein + 10g grass-fed collagen in every bar. Perfect for athletes, busy professionals, and anyone who demands clean fuel for their active lifestyle. Nature's multivitamin, finally delicious.

Show Price

Our Best Overall Choice

Best Choice

9.7

Atlas Protein Bar

Atlas Real Food Protein Bar – 20g Protein, 9g Fiber, 1g Sugar, No Seed Oils, No Artificial Sweeteners (Peanut Butter Chocolate Chip, 12 Count)

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

Ingredients You Can Read: Made from real food peanut butter, whey protein isolate, milk protein isolate, coconut oil, chocolate chips, sea salt, and monk fruit. No seed oils like canola or soybean. No artificial sweeteners like sucralose or aspartame. No sugar alcohols like maltitol or erythritol.
20g Protein, 1g Sugar Per Bar: Each bar has 20g of quality protein from whey and milk protein isolate, and only 1g of naturally occurring sugar. No added sugar. Sweetened with monk fruit.
Real Peanut Butter Taste: Made with peanut butter as the first ingredient, delivering a rich, dense texture and satisfying bite. Naturally sweetened with monk fruit for a balanced flavor that tastes like real peanut butter, not overly sweet. Just real food that happens to have 20g of protein.
Feel the Difference: Fuel your day with ingredients your body recognizesno seed oils, artificial sweeteners, or sugar alcohols. With 20g of protein and 1g of sugar from real food like peanut butter and whey, you get clean, sustained energy. Its a nutrient-dense snack that leaves you feeling satisfied and powered up.
Made for People Who Read Labels: We believe you shouldn't have to choose between high protein and clean ingredients. Atlas delivers 20g protein and 1g sugar with real food ingredients no artificial sweeteners, no sugar alcohols, no seed oils. Every ingredient is something you'd recognize in a kitchen.

Show Price

Deals are Live

Special Amazon deal ends in: