Heart and Soil vs AGN Roots: Which Grass-Fed Whey Protein Is Actually Worth Your Money?

Heart and Soil vs AGN Roots

Heart and Soil vs AGN Roots

Premium-priced grass-fed whey is commonly advertised to health and fitness people. If you’re seeking premium grass-fed whey protein, it’s essential to consider both Heart and Soil and AGN Roots. Why should you consider these two brands? They advertise grass-fed claims, all-natural ingredients, no artificial additives, and rigorous third-party testing. Yet, it’s important to examine their claims and distinguishing features closely.

In this detailed comparison of Heart and Soil and AGN Roots, we’ll analyze key factors including whey protein fractions, ingredient quality, protein density, amino spiking, and cost per serving. Both brands appeal to those who prioritize whole-food and natural products, but only one delivers 100% high-quality whey protein. The other brand offers enriched protein splashed with colostrum.

Let’s cut through the noise and focus on what truly matters to make an informed choice for your health and wellness. These are the second coming of high-quality protein powders: grass-fed claims, only natural ingredients, no artificial ingredients, and 3rd-party testing. But let’s examine the claims and their differences.

Check out my original, full written reviews of brands. The AGN Roots review is here, and Heart and Soil is here

Heart and Soil vs AGN Roots TL;DR

Quick Answer — Which Is Better: Heart and Soil or AGN Roots?

AGN Roots offers more robust testing for protein integrity, sourcing transparency, and grass-fed verification. Compared to Heart and Soil, which has unverified protein claims and a diluted whey concentrate offering a higher-than-standard amount of colostrum. One leans into the story. One leans into data.

Winner: AGN Roots

Help support these unbiased reviews by using my Amazon affiliate links for either brand. Buy AGN Roots here and Heart and Soil here.

How I Approach This Heart and Soil vs AGN Roots Comparison

🌟 If you found my Heart and Soil vs AGN Roots comparison helpful, you’ll feel right at home over on my YouTube channel — where I put supplements on trial with the same straight-shooting approach. You can join me there anytime: https://www.youtube.com/@jkremmerfitness

👥 As a certified strength and conditioning specialist (NSCA) and sports nutrition expert (CISSN), I built this platform to give lifters and everyday athletes the kind of reviews we all wish existed — the kind that tell the truth. This Heart and Soil vs AGN Roots comparison I publish comes from my original reviews. No brand influence. No glossy marketing buzzwords.

📖  My work isn’t about loyalty to labels — it’s about loyalty to the people buying them. I evaluate what matters: ingredient integrity, testing transparency, sourcing credibility, protein quality, and the experience in the shaker bottle. If a product falls short, you’ll hear about it. If it earns praise, it’s because it deserves it.

💼Whether it’s this Heart and Soil vs AGN Roots comparison or any other deep dive I write, the mission stays the same: clear answers, honest analysis, and practical insight so you always know exactly what you’re paying for — and why. Because supplement companies have enough cheerleaders. You deserve a critic who’s on your side.

🔍 A quick note on links: some products in my reviews, including this Heart and Soil vs AGN Roots comparison, may include Amazon affiliate links. If you choose to purchase through them, I may earn a small commission — at zero cost to you. That support allows me to keep every review 100% independent and fully transparent.

Protein Transparency & Amino Integrity

Heart and Soil lists leucine and BCAAs on the label, but the amino information stops there. There’s no external verification that the protein grams match what you’re paying for. The protein source is a concentrate boosted with colostrum, which helps explain why only 24g of protein show up in a 30g scoop.

AGN Roots discloses leucine and the total BCAAs on the bag and backs the numbers with third-party protein verification. One 29g serving contains 3.05g leucine and 6.5g total BCAAs, and those values aren’t self-reported — they’re certified.

Winner: AGN Roots. If you want measurable, confidently labeled protein, AGN is the transparent brand.

Does Either Brand Show Signs of Amino Spiking?

agn roots grass fed whey protein review

Heart and Soil doesn’t provide enough detail on amino acids to confirm or deny the use of amino inflation practices. With colostrum taking up space in the scoop, we don’t know if the protein grams are as clean as they appear. After examining the whey fractions against known, verified grass-fed wheys, the protein quality raises more questions than answers. 

Looking at AGN Roots. It’s been verified by Informed Protein certification. That means the protein per serving, amino acid profile, and protein density are authentic and not artificially inflated.

Winner for amino integrity: AGN Roots.

Third-Party Testing: Who’s Actually Verified?

Heart and Soil is NSF Certified for Sport, which means the formula is screened for contaminants, banned substances, ingredients, ingredient cleanliness and safety, and manufactured under clean conditions. That’s excellent for safety. However, the major concern is that it does not verify the protein per serving and the amino acid profile. 

Heart & Soil Protein

AGN Roots stacks certifications: Informed Sport, Informed Protein, Animal Welfare Approved, and Truly Grass-Fed. These certifications cover all the advertised claims. 100% whey protein, no banned, 100% grass-fed whey (with sourcing), and animals are well-fed and cared for. 

Winner: From a trust standpoint, AGN Roots leaves less to chance.

Sourcing Transparency & Label Honesty

Heart and Soil calls its sourced Australian protein grass-fed. However, there is no certification from PCAS, the official Australian authority that examines grass-fed claims. Either this is an enriched protein powder with colostrum or a variety of conventional and grass-fed whey. No official grass-fed badge means customers have to take the statement at face value.

Heart and Soil Supplements Protein Powder

AGN Roots sources exclusively from Irish dairies and carries the Truly Grass-Fed badge, which validates diet, pasture access, and farming practices.

Winner: If your priority is confirmed grass-fed sourcing rather than implied sourcing, AGN Roots is the clear pick.

Ingredients & Sweeteners — Clean or Just “Clean Looking”?

Heart and Soil uses whey concentrate enriched with colostrum. More information will be shared as we examine the whey fractions between the two brands. Technically, colostrum is considered a protein. Interestingly, it’s not listed in the ingredient list. Heart and Soil is not advertised as a colostrum supplement.  Other than that, no artificial sweeteners are used.

AGN Roots uses a lean whey isolate, verified as not inflated, with no flavoring agents, no sweeteners, no gums, no fillers — just whey isolate and sunflower lecithin. Fewer ingredients, more protein.

Winner: Both appear “clean,” but only one keeps the formula exclusively protein-focused with 100% ingredient transparency.

Heavy Metals & Prop 65 Concerns

Both are screened through third-party safety programs, and neither carries a Prop 65 warning. That tells me toxic elements aren’t the concern here. The real differentiation is not safety — it’s verification depth.

No red flags for either brand from a purity perspective, based on the acknowledged testing.

Taste & Mixability — Which One Drinks Better?

Heart and Soil is a straight-up, enriched protein powder with no emulsifiers. It mixes solid, but you will have a couple of clumps in the shake. You will not get that silky, thin texture of a protein shake.

AGN Roots mixes no issues. That’s because sunflower lecithin helps mix the protein powder.

Winner: If you want a fast-drinking, neutral shake experience, AGN Roots wins on usability.

Nutrition Facts & Protein Density Comparison

Both deliver 110 calories per serving, but only one offers a higher protein percentage. Heart and Soil’s use of a whey protein concentrate reduces protein density. AGN Roots keeps the scoop tightly optimized. When every gram in the shaker counts, density matters.

Heart & Soil vs AGN Roots: Which Grass-Fed Whey Protein Powder Is Better?
Key Differences & Comparison MetricsHeart and Soil Protein
Unflavored
%DVAGN Roots
Unflavored
%DV
Leucine2.5g3.05g
(Informed Protein Verified)
Leucine Percent10.41%12.2%
Total BCAAs4.7g6.5g
Protein per Serving 24g48%25g50%
Protein Density80%86%
Carbs per Serving2g1%1g 0%
Fiber per Serving0g0%0g0%
Total Sugars1g0g 
Calories110 kcal110 kcal
Serving Size30g 29g 
Number of Servings3047
*Price
(December 2025)
$73.00$79.49
Price per Serving$2.43$1.69

Bioactive Whey Fraction Breakdown: Performance vs Wellness

Heart and Soil Protein Powder

When comparing Heart and Soil and AGN Roots whey fractions, something is out of the ordinary. Heart and Soil offers a higher immunoglobulin level — 28% of total protein, far above the standard 8–10% range. As shared earlier in this Heart and Soil vs AGN Roots, it’s not amino spiked in the typical sense. But you’re not paying for a 100% grass-fed whey protein. 

AGN Roots whey fractions amounts are within the standard range, regardless of the seasonality of the milk. 

If you’re buying protein powder to stimulate muscle growth, buy AGN Roots. Heart and Soil is enriched with colostrum; the amount of colostrum is not shared. 

Winner: AGN Roots. They have the receipts to back up their quality and sourcing.

Bioactive Fractions Comparison
Bioactive Whey FractionStandard Range
(%)
Heart and Soil (%)
Conversion to % (24,000 mg protein)
AGN Roots(%)
Beta-Lactoglobulin54-58%11324mg
(47%)
54-58%
Alpha-Lactalbumin14-17%3518mg
(14.7%)
14-17%
Glycomacropeptide.1-2%None Listed.1-2%
Immunoglobulin8-10%6746mg
(28%)
8-10%
Bovine Serum Albumin (BSA)3-5%73mg
(.3%)
3-5%
Lactoferrin1.7% (by volume)68mg
(~0.28%)
1.7%
Source for standard values: AGN Roots – Whey Protein Fractions Breakdown

Price per Serving — Which Is the Better Value?

Heart and Soil: $2.43 per serving, 30 servings per bag

AGN Roots: $1.69 per serving, 47 servings per bag

Winner: Even before counting certification proof or protein density, AGN Roots is the more economical option. When you factor in those strengths, the value gap widens.

Who Each Brand Is Best For

Heart and Soil Is Best For:

  • People who believe in brand storytelling
  • People focused on maintaining a whole food diet
  • Avoiding artificial sweeteners
  • Buyers who prioritize NSF for Sport safety certification

AGN Roots Is Best For:

  • Lifters focused on verified muscle-building protein
  • Shoppers who demand authenticated grass-fed sourcing
  • People who prefer minimal-ingredient formulas
  • Anyone wanting more servings per dollar spent

Help support these unbiased reviews by using my Amazon affiliate links for either brand. Buy AGN Roots here and Heart and Soil here.

Final Verdict — Should You Buy Heart and Soil or AGN Roots?

No doubt, both brands are premium priced. You can make one premium-priced, the other luxury-priced. However, the biggest difference between these two brands is the quality and verification. Heart and Soil advertises as a self-proclaimed grass-fed concentrate sourced from Australia. However, when we examine the whey fractions, you’re getting only a partial truth. Add the fact that an independent 3rd party has verified that no protein content is present, and you’re not getting your money’s worth.

Now, taking a look at AGN Roots, you get everything: sourcing transparency, verified grass-fed whey, protein verification, screened for banned substances, and even animal awareness verification.

Heart and Soil is still a solid protein. Even though it’s enriched with colostrum, you’re not getting the full story from the brand. Turn to AGN Roots, and everything you purchase is fact-checked.

Winner: AGN Roots is the superior pick for grass-fed claims, quality, and transparency. If you specifically want a whey product with high immunoglobulin levels and don’t mind paying an exorbitant price, Heart and Soil could be on your radar.

Help support these unbiased reviews by using my Amazon affiliate links for either brand. Buy AGN Roots here and Heart and Soil here.

Heart and Soil vs AGN Roots Frequently Asked Questions

Is AGN Roots better than Heart and Soil?

Yes, if your goal is proven protein quality, amino integrity, and value per scoop. Heart and Soil is more of a wellness-leaning formula.

Does Heart and Soil amino spike their protein?

Not in the typical sense. It’s a colostrom-forward formulation. The amount of colostrum in Heart and Soil falls out of the standard range for a self-proclaimed grass-fed whey.

Is AGN Roots third-party tested?

Yes. It is certified under multiple programs confirming banned substance screening, protein authenticity, and grass-fed sourcing.

Which protein mixes better: Heart and Soil or AGN Roots?

AGN Roots mixes more smoothly with basic shaker effort. Heart and Soil performs fine, but doesn’t offer any emulsifiers.

Who should choose Heart and Soil over AGN Roots?

Anyone targeting colostrum-related wellness benefits rather than purely muscle protein synthesis may prefer Heart and Soil.

Which is the better value overall?

AGN Roots is significantly more regarding value, transparency, and protein quality.

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