ByHeart Whole Nutrition vs Kendamil Organic Stage 1 - US 2'-FL HMO Whole-Milk Fat vs EU Organic Whole-Milk Fat (ByHeart Under Active Recall)

⚠ Important: ByHeart is under active nationwide Class I recall

All ByHeart Whole Nutrition Infant Formula products remain under Class I nationwide recall initiated November 2025 following a multistate Clostridium botulinum Type A outbreak (51 infant hospitalizations across 19 states). Every batch ever produced is recalled. Do not purchase ByHeart from any source until FDA-cleared resupply, expected in months, not weeks.

For parents who chose ByHeart specifically for its whole-milk fat and palm-free composition: Kendamil Organic Stage 1 is the closest active-supply replacement on the market. Both are whole-milk-fat and palm-free; Kendamil Organic adds EU Organic and UK Soil Association certification that ByHeart does not carry, and swaps ByHeart's 2'-FL HMO and lactoferrin for GOS prebiotic.

Why this comparison matters

ByHeart and Kendamil are the two most prominent whole-milk-fat and palm-free infant formulas available to families. Pre-recall, many parents cross-shopped them as "which whole-milk-fat formula fits best", with ByHeart offering deeper US-formatted bioactive stack (2'-FL HMO, lactoferrin, and GOS) and Kendamil Organic offering EU Organic certification. With ByHeart recalled, the comparison's primary purpose is documenting what Kendamil Organic offers as the active-supply replacement for families transitioning off ByHeart.

At a glance

Visual generated with Napkin AI, editorial review by María López Botín. See methodology for our use policy.

Recall context: why this comparison's primary purpose is transition planning

The November 2025 ByHeart recall is the most significant US infant formula recall since Abbott's 2022 Cronobacter event, larger in scope (all ByHeart batches ever produced, not a subset) and involving Clostridium botulinum Type A confirmed via genetic matching between ByHeart's organic whole milk powder supply and finished product found in hospitalized infants.

As of April 2026: 51 infants hospitalized across 19 states, no deaths, FDA investigation ongoing, supply chain remediation timeline expected in months, retailers still stocking recalled product have received FDA warning letters.

For families on ByHeart, the practical question is what to switch to. For parents whose ByHeart selection prioritized:

• Whole-milk fat and palm-free: Kendamil Organic (this comparison) or Kendamil Classic (non-organic UK Red Tractor, cheaper) are the primary active replacements.
• 2'-FL HMO specifically: Similac 360 Total Care (5 HMOs, non- organic) or Enfamil Enspire (2'-FL, MFGM, and lactoferrin, non- organic).
• Lactoferrin specifically: Enfamil Enspire (lactoferrin and MFGM).
• Non-USDA-Organic whole-milk fat US-domestic: no active option currently; ByHeart post-remediation would restore this niche.

Compositional differences that actually matter

1. ByHeart had HMO and lactoferrin; Kendamil Organic does not

ByHeart Whole Nutrition (pre-recall) included:

• 2'-FL HMO, 2'-fucosyllactose human milk oligosaccharide
• Lactoferrin, iron-binding protein native to breast milk
• GOS, galacto-oligosaccharide prebiotic

Kendamil Organic Stage 1 includes:

• GOS prebiotic only, no HMO, no lactoferrin

For the 2'-FL HMO and lactoferrin bioactive combination, Kendamil Organic doesn't match ByHeart's pre-recall profile. Parents specifically wanting those bioactives must look to non-organic US options during the ByHeart recall: Similac 360 Total Care (5 HMOs), Enfamil Enspire (2'-FL, MFGM, and lactoferrin). See our 2'-FL HMO explainer and lactoferrin explainer.

2. Organic certification: Kendamil wins this

ByHeart Whole Nutrition is NOT USDA Organic. ByHeart markets "organic whole milk" as protein source but the finished formulation is not USDA Organic certified. Carries Clean Label Project Purity Award and Non-GMO Project Verified.

Kendamil Organic is EU Organic (Regulation 2018/848) and UK Soil Association, full organic certification at the finished-formula level, plus Soil Association as above-EU-baseline.

For parents whose shortlist required "organic certification," Kendamil Organic wins even in a pre-recall scenario. ByHeart's positioning was "scientific bioactive depth and whole-milk fat" rather than "organic- certified."

3. Whole-milk fat and palm-free: both match

Both use whole-milk fat as primary fat source and sunflower/rapeseed/ coconut oils, no palm oil. The fat-blend philosophy is functionally equivalent, whole-milk fat provides native sn-2 palmitic acid (matching breast-milk fatty acid stereochemistry) without requiring OPO processing.

This is the primary reason Kendamil Organic is a functional ByHeart replacement: fat approach is essentially identical. See the palm oil explainer.

4. Whey:casein ratio: 80:20 vs 60:40

ByHeart used 80:20 whey:casein, closer to early breast-milk ratio (which is roughly 80:20 in first 1-2 months, shifting toward 60:40 by 6 and months). ByHeart achieved this via whole cow milk, added alpha-lactalbumin, and whey protein concentrate.

Kendamil Organic uses 60:40, the conventional US/EU infant formula standard across virtually all cow-milk Stage 1 formulas.

Neither is clinically superior. 60:40 is the regulatory standard and adequate for all term infants; 80:20 is ByHeart's specific breast- milk-closer formulation choice. For families who specifically valued 80:20, there's no direct replacement, 60:40 is the universal post- ByHeart alternative.

5. DHA

ByHeart: algal DHA ~13.4 mg/100 ml (vegetarian source). Kendamil Organic: fish oil DHA ~16.1 mg/100 ml, ~20% higher DHA, highest in EU Organic Stage 1 field.

6. Price per ounce

ByHeart (pre-recall) ~$1.88/oz. Kendamil Organic ~$1.95/oz. Very similar pre-recall pricing. Post-remediation ByHeart pricing is uncertain. Kendamil Organic is priced at the premium tier among Organic's Best EU imports.

7. Format

ByHeart: 680 g tin. Kendamil Organic: 800 g metal tin, ~18% larger per tin.

Regulatory framework

ByHeart Whole Nutrition complies with FDA 21 CFR Part 107. ByHeart's recall is an FDA enforcement action under FSMA recall authority (Class I, highest severity). See our US formula recall history.

Kendamil Organic complies with EU Regulation 2016/127 (infant formula) and EU Regulation 2018/848 (organic) and UK Soil Association. Not FDA-registered; families import under FDA enforcement discretion via Organic's Best. See the buying European formula pillar.

Real-world parent experience

Following site methodology, the observations below come from my personal use across both kids plus a stable pool of parent-feedback notes from families on both formulas. They carry the parent-experience label rather than being claimed as regulatory or clinical facts, because individual infant variation on stool consistency, smell preference, and mixability is large enough that any specific point can reverse for a specific baby. Read these as context, not prediction.

Smell and taste. Both have the creamier, richer whole-milk-fat profile. Kendamil Organic is slightly richer (higher whole-milk fat percentage). ByHeart's 80:20 whey:casein also contributes to a slightly lighter mouthfeel vs Kendamil's 60:40. Most infants accept either; transition from ByHeart to Kendamil Organic is sensory- similar.

Mixability. Both can foam slightly when shaken vigorously, gentle stirring prevents this. Both use 70°C preparation water.

Stool consistency. Both produce moderate-to-soft stools typical of whole-milk-fat and palm-free formulas. ByHeart's additional lactoferrin

• 2'-FL HMO may have produced slightly different gut-microbiome patterns, but clinical evidence at term-infant-formula concentrations is modest.

Switching from ByHeart (if you have remaining non-recalled stock — you shouldn't, all batches recalled) to Kendamil Organic. Use a 4-6 day gradual transition. Both whole-milk fat, palm-free, and lactose-only, smooth macro transition. Main observable changes: 80:20 → 60:40 whey:casein shift (typically no symptom shift), HMO and lactoferrin removal (possible gut- microbiome pattern shift, modest in observable impact for most families).

Verdict: what to pick now

Pick Kendamil Organic Stage 1 (recommended for families choosing now or transitioning off ByHeart):

• Whole-milk fat and palm-free (matches ByHeart's signature fat approach)
• EU Organic and UK Soil Association (upgrade from ByHeart's non-USDA- Organic status)
• Active supply and subscribe-and-save continuity via Organic's Best
• Higher DHA (~16.1 mg) and larger 800 g tin format
• Accept the trade-off: loses ByHeart's 2'-FL HMO and lactoferrin bioactives; gains organic certification, active supply, and higher DHA

Pick Kendamil Classic Stage 1 (cheaper whole-milk-fat palm-free option):

• Same whole-milk fat and palm-free philosophy
• Cheaper (~$1.63/oz) than Kendamil Organic
• NOT organic (UK Red Tractor farmer assurance only)
• Adds GOS and FOS 9:1 prebiotic blend

Do not purchase ByHeart Whole Nutrition until:

• FDA confirms investigation has closed
• ByHeart has cleared remediated supply chain
• New production batches are available (not recalled inventory)

See ByHeart brand hub and Atlas changelog for status updates.

What you can't infer from this comparison

ByHeart's recall relates to supply-chain contamination of a specific ingredient (organic whole milk powder), not to the nutritional design of the product. Post-remediation with cleared supply, ByHeart's formulation remains scientifically ambitious. The current recommendation to avoid purchasing is supply-chain-related, not formulation-related. Kendamil Organic is the closest active-supply replacement but not a perfect substitute, bioactive stack (2'-FL HMO and lactoferrin) is noticeably different.

Frequently asked questions

Related reading

• ByHeart brand hub, full recall context
• Kendamil brand hub
• Bobbie Original vs ByHeart Whole Nutrition. USDA Organic vs non-organic premium bioactive
• ByHeart Whole Nutrition vs HiPP Dutch Stage 1
• ByHeart Whole Nutrition vs Kendamil Classic Stage 1, whole-milk-fat US recalled vs UK non-organic active
• Atlas changelog, ongoing recall timeline
• US formula recall history
• 2'-FL HMO explainer
• Lactoferrin explainer
• ByHeart Whole Nutrition vs Earth's Best Organic Dairy - Premium Bioactive Whole-Milk (Recalled) vs Budget Supermarket Organic

Primary sources

1. ByHeart, manufacturer information and recall updates. byheart.com
2. Kendamil / Kendal Nutricare, manufacturer product information. kendamil.com
3. FDA ByHeart recall notice, all batches, nationwide Class I. fda.gov
4. UK Soil Association, organic certification standards. soilassociation.org
5. EU Regulation 2016/127, infant formula compositional requirements. eur-lex.europa.eu
6. EU Regulation 2018/848, organic production. eur-lex.europa.eu

This site provides research and comparisons, not medical advice. Consult your pediatrician before changing your baby's formula.