ByHeart vs Gerber Good Start Formula (2026): Which Is Better?

📋 Quick Comparison: ByHeart vs Gerber GoodStart GentlePro

ByHeart and Gerber GoodStart GentlePro represent two fundamentally different approaches to infant formula. ByHeart is a premium, direct-to-consumer brand that bets on keeping cow's milk as close to its natural form as possible. Gerber GoodStart GentlePro is an established, widely available gentle formula that pre-digests protein to make it easier on sensitive stomachs — at a meaningfully lower price.

• ByHeart: ~$36 for 24 oz (680g), intact whole milk protein, organic lactose as sole carbohydrate, palm-oil-free fat blend, added organic lactoferrin, sold direct-to-consumer and on select retailers
• Gerber GoodStart GentlePro: ~$28 for 20 oz (567g), 100% partially hydrolyzed whey protein, lactose + corn maltodextrin as carbs, includes probiotic L. reuteri, widely available at Target, Walmart, Amazon, grocery stores
• Price per ounce: ByHeart ~$1.50/oz vs Gerber ~$1.40/oz — closer than the sticker price suggests, but ByHeart's subscription drops it to ~$1.33/oz
• Protein philosophy: ByHeart keeps proteins intact, arguing this preserves bioactive compounds. Gerber pre-breaks proteins into smaller peptides for easier digestion in sensitive babies
• Availability: Gerber is available at virtually every US retailer with formula. ByHeart is primarily available online through its own website and select stores

🧬 Ingredient Breakdown: What Sets Them Apart

The ingredient lists tell two very different stories. ByHeart reads like a minimalist, breast-milk-inspired formula. Gerber reads like a clinically designed gentle formula with broader ingredient inputs.

• Protein: ByHeart uses whole milk with intact casein and whey proteins in their natural ratio, processed at lower temperatures to preserve bioactive properties. Gerber uses 100% whey protein that has been partially hydrolyzed (enzymatically broken into smaller fragments). Hydrolyzed whey is easier to digest but loses some of the bioactive functions of intact protein
• Carbohydrates: ByHeart uses organic lactose exclusively — no maltodextrin, no corn syrup. Gerber uses a blend of lactose and corn maltodextrin. Maltodextrin is a processed starch that provides easily digestible calories but is not naturally present in breast milk
• Fat blend: ByHeart uses a palm-oil-free blend (high-oleic sunflower, soy, and coconut oils) engineered to mimic breast milk fat structure. Gerber uses palm olein, soy, coconut, and high-oleic safflower oils. Palm olein is associated with harder stools and potentially reduced calcium absorption in some studies
• Probiotics: Gerber includes L. reuteri, a well-studied probiotic strain linked to reduced colic symptoms and improved gut health in clinical trials. ByHeart does not include probiotics but adds organic lactoferrin instead
• Unique to ByHeart: Organic lactoferrin (an immune-supporting, iron-binding protein found in breast milk) and a patented fat blend designed for sn-2 palmitate positioning
• Unique to Gerber: L. reuteri probiotic, 2'-FL HMO (human milk oligosaccharide), and partially hydrolyzed protein — the trio that makes it a "gentle" formula rather than just a standard one

💰 Price, Availability, and Convenience

Gerber's massive distribution advantage makes it the clear winner for convenience. ByHeart counters with subscription flexibility and a premium direct-to-consumer experience.

• Gerber GoodStart GentlePro: ~$28 for 20 oz at Target, Walmart, Amazon, CVS, Walgreens, Kroger, and virtually every grocery store. Available in powder, ready-to-feed, and single-serve formats. Often eligible for store coupons, formula rewards programs, and manufacturer rebates
• ByHeart: ~$36 for 24 oz, primarily online via ByHeart.com (~$32/can with subscription). Recently available at select Target and Whole Foods locations. Powder only — no ready-to-feed option. Free shipping on subscription orders
• Emergency access: If you run out of formula at 10 PM, Gerber GoodStart is on the shelf at every 24-hour pharmacy and Walmart. ByHeart requires waiting for a delivery unless you happen to have a retailer nearby that stocks it
• WIC coverage: Gerber GoodStart is covered by WIC (Special Supplemental Nutrition Program for Women, Infants, and Children) in many states. ByHeart is not currently WIC-approved, making Gerber the only option for WIC-eligible families
• Sample availability: Gerber offers free samples through Gerber.com and pediatrician offices. ByHeart offers a satisfaction guarantee on first orders but does not widely distribute free samples

🍼 Digestibility and Tolerance

These formulas target different digestive profiles — and understanding the distinction helps you pick the right one without unnecessary trial-and-error.

• For healthy, non-sensitive babies: ByHeart's intact proteins provide a more complete nutritional profile with preserved bioactive compounds. Healthy babies with normal digestion don't need pre-hydrolyzed protein and benefit from the full-spectrum nutrition of intact milk
• For mildly sensitive babies: Gerber GoodStart GentlePro's partially hydrolyzed whey is specifically designed for babies showing mild fussiness, gas, or digestive discomfort on standard formula. The smaller protein fragments require less digestive work and are less likely to trigger sensitivity reactions
• Stool differences: ByHeart's palm-oil-free blend tends to produce softer, mustard-yellow stools. Gerber's palm olein may produce slightly firmer, darker stools in some babies, though the hydrolyzed protein generally offsets this
• Gas and colic: Gerber's L. reuteri probiotic has clinical evidence supporting reduced crying time in colicky infants. ByHeart's intact protein and clean-label approach reduces gas for some babies who were reacting to processed proteins in other formulas
• Spit-up: Gerber's hydrolyzed protein empties from the stomach faster, which can reduce spit-up. ByHeart's intact proteins take slightly longer to digest. Neither is specifically anti-reflux

✅ Choose ByHeart If...

• Your baby is healthy, feeding well, and doesn't show signs of protein sensitivity — you want the closest-to-breast-milk standard formula available
• You specifically want organic lactose as the sole carbohydrate with no maltodextrin or corn-derived ingredients
• You prefer palm-oil-free formula for potentially softer stools and better calcium absorption
• You value lactoferrin supplementation for immune support and are willing to pay the premium for it
• You're comfortable with online ordering and subscription-based purchasing
• Budget is not the primary deciding factor, and you want to invest in what you consider the highest-quality ingredients available

✅ Choose Gerber GoodStart GentlePro If...

• Your baby shows signs of mild digestive sensitivity — fussiness after feeds, excessive gas, or mild spit-up on standard formula
• Your pediatrician has recommended trying a partially hydrolyzed formula before escalating to extensively hydrolyzed options
• Budget matters — $28 vs $36 per can saves $32–$48/month, and the formula is frequently discountable with coupons and rewards programs
• You want a probiotic (L. reuteri) built into the formula to support gut health and potentially reduce colic symptoms
• Availability and convenience are priorities — Gerber GoodStart is on the shelf at every major US retailer and is available in powder, ready-to-feed, and single-serve formats
• You are a WIC recipient — Gerber GoodStart is WIC-approved in many states, making it a no-cost or reduced-cost option

⚠️ Key Limitations

• ByHeart is not "gentle" formula: Its intact proteins are great for normal digestion but may not help — and could worsen — symptoms in babies with genuine protein sensitivity
• Gerber is not premium: The corn maltodextrin, palm olein, and hydrolyzed protein are functional trade-offs that make it effective for sensitive babies but less "clean label" than ByHeart
• Neither is hypoallergenic: Gerber GoodStart GentlePro is partially hydrolyzed, not extensively hydrolyzed. Babies with confirmed CMPA need Nutramigen, Alimentum, or EleCare — not either of these formulas
• No ready-to-feed from ByHeart: For travel, nighttime convenience, or emergency situations, Gerber's ready-to-feed option is a significant practical advantage

🏁 Final Verdict

ByHeart and Gerber GoodStart GentlePro target different babies at different price points. ByHeart is the premium choice for healthy babies whose parents want the cleanest possible ingredient list with breast-milk-mimicking intact proteins and organic lactose. Gerber GoodStart GentlePro is the practical, affordable choice for mildly sensitive babies who benefit from pre-digested protein and added probiotics — with the unbeatable advantage of being available everywhere. If your baby doesn't have digestive issues, ByHeart delivers higher ingredient quality. If your baby is fussy or gassy, Gerber GoodStart GentlePro solves a real problem at a real savings. Let your baby's needs — not marketing — drive the decision.