Kendamil vs ByHeart: Complete Formula Comparison Guide 2025

Which premium formula deserves your trust and investment?

When you're willing to invest in the best nutrition for your baby, two names consistently rise to the top: Kendamil and ByHeart. Both are premium formulas with passionate followings, but they take very different approaches to infant nutrition.

As someone who has extensively researched both formulas (and tried them with real babies!), I'm here to give you the complete breakdown. Let's dive into what makes each formula unique and help you decide which might be the better choice for your little one.

Quick Comparison: Kendamil vs ByHeart

The bottom line: Kendamil offers European-style nutrition with whole milk and natural milk fat, while ByHeart focuses on American-made premium ingredients with grass-fed whey. Both are excellent choices, but your decision may come down to ingredient philosophy, availability, and price tolerance.

Factor Kendamil ByHeart
Origin British (European standards) American-made
Price Range $2.20-2.50 per oz $2.80-3.20 per oz
Primary Protein Whole milk powder Grass-fed organic whey
Fat Source Natural milk fat + vegetable oils Organic vegetable oils blend
Availability Online import, some stores Subscription-based delivery

Brand Philosophy & Approach

Kendamil's Philosophy

  • European nutrition standards
  • Whole milk base (not skim milk)
  • Natural milk fat preservation
  • No palm oil policy
  • Traditional dairy farming approach
  • Family-owned company heritage

ByHeart's Philosophy

  • American-made premium quality
  • Grass-fed, organic sourcing
  • Breast milk-inspired nutrition
  • Small-batch manufacturing
  • Direct-to-consumer model
  • Research-driven formulation

Ingredient Deep Dive

Kendamil Ingredients Breakdown

  • Protein source: Whole milk powder (complete protein profile)
  • Fat blend: Natural milk fat + coconut oil, sunflower oil, rapeseed oil
  • Carbohydrates: Lactose (primary), no corn syrup
  • Notable: No palm oil, no fish oil, vegetarian-friendly
  • Prebiotics: GOS (galacto-oligosaccharides)

ByHeart Ingredients Breakdown

  • Protein source: Organic grass-fed whey concentrate
  • Fat blend: Organic high-oleic sunflower oil, organic coconut oil, organic soybean oil
  • Carbohydrates: Organic lactose, organic maltodextrin
  • Notable: 100% organic, grass-fed sourcing, non-GMO
  • Prebiotics: 2'-FL HMO and other human milk oligosaccharides

Nutritional Comparison

Nutrient Kendamil (per 100ml) ByHeart (per 100ml) Notes
Protein 1.3g 1.4g Both meet requirements
Fat 3.4g 3.6g ByHeart slightly higher
Carbohydrates 7.2g 7.1g Nearly identical
DHA 17mg 20mg ByHeart provides more
Iron 0.5mg 1.2mg ByHeart higher iron content

Taste, Mixing, and Baby Acceptance

Kendamil Experience

  • Taste: Creamy, naturally sweet, similar to whole milk
  • Mixing: Dissolves well, minimal foam, smooth consistency
  • Smell: Pleasant, mild dairy scent
  • Baby acceptance: Generally high, especially for babies transitioning from breastfeeding

ByHeart Experience

  • Taste: Clean, slightly sweet, closer to breast milk profile
  • Mixing: Excellent mixing properties, no clumping
  • Smell: Very mild, almost odorless
  • Baby acceptance: High acceptance rate, especially for sensitive babies

Price and Value Analysis

Cost Breakdown

Formula Container Size Cost per Container Cost per Ounce Monthly Cost*
Kendamil 800g (28.2 oz) $62-70 $2.20-2.50 $220-250
ByHeart 680g (24 oz) $67-77 $2.80-3.20 $280-320

*Estimated monthly cost for exclusive formula feeding

Budget consideration: Both formulas are premium-priced. ByHeart is typically 25-30% more expensive than Kendamil, which can add up to $60-80 more per month.

Availability and Accessibility

Getting Kendamil

  • Available through various online retailers
  • Some specialty baby stores carry it
  • Can be purchased in bulk for better pricing
  • Shipping from UK (longer delivery times)
  • Stock can be inconsistent due to high demand

Getting ByHeart

  • Subscription-based direct delivery model
  • Consistent monthly deliveries
  • Made in USA (faster, more reliable shipping)
  • Limited to subscription customers (not widely retail)
  • Can adjust delivery frequency as needed

Which Formula Should You Choose?

Choose Kendamil If:

  • You prefer European nutrition standards and approach
  • Whole milk and natural milk fat appeal to you
  • You want to avoid palm oil completely
  • Budget is a consideration (lower cost per ounce)
  • You like the flexibility of ordering when needed
  • Your baby does well with traditional dairy-based formulas

Choose ByHeart If:

  • You prioritize 100% organic, grass-fed ingredients
  • You want breast milk-inspired nutrition profile
  • Consistent delivery and availability are important
  • You prefer American-made products
  • Your baby has mild sensitivities (often better tolerated)
  • Price is not a primary concern

Real Parent Experiences

Kendamil Success Stories

  • "My baby loved the taste immediately - easy transition from breastfeeding"
  • "Less constipation compared to American formulas we tried"
  • "Appreciate the whole milk approach - feels more natural"
  • "Great value for a premium formula"

ByHeart Success Stories

  • "Perfect for my sensitive baby - no digestive issues"
  • "Love knowing exactly where ingredients come from"
  • "Subscription delivery is so convenient"
  • "Quality justifies the higher price"

Potential Drawbacks to Consider

Kendamil Considerations

  • Availability can be inconsistent
  • Shipping times from UK can be long
  • May not work for babies with severe milk sensitivities
  • Limited customer service support in US

ByHeart Considerations

  • Significantly higher cost than most formulas
  • Subscription model may not suit all families
  • Limited availability (subscription only)
  • Newer brand with less long-term data

Making Your Decision

Both Kendamil and ByHeart represent the premium end of infant formula, and honestly, you can't go wrong with either choice from a nutritional standpoint. Your decision should come down to:

  • Budget: Can you comfortably afford the higher cost?
  • Philosophy: Do you prefer European or American approaches to nutrition?
  • Convenience: Is consistent delivery important to you?
  • Baby's needs: Does your baby have any sensitivities or preferences?

Pro tip: If possible, try both formulas with small containers first. Many babies have preferences, and what works wonderfully for one baby might not be the best choice for another. Your baby's acceptance and thriving is the ultimate measure of success.

Bottom Line: Kendamil vs ByHeart

If you're choosing between these two premium formulas, you're already making an excellent investment in your baby's nutrition. Kendamil offers traditional European quality at a more accessible price point, while ByHeart provides the ultimate in organic, grass-fed premium nutrition with unmatched convenience.

The "better" choice is the one that fits your family's values, budget, and most importantly, the one your baby thrives on. Both formulas have helped countless babies grow healthy and strong.

Remember: Always consult with your pediatrician before switching formulas, especially if your baby has any health concerns or feeding issues. They can provide personalized guidance based on your baby's specific needs.