10 Best Soy Based Formula For Infants of 2025

Tested and Reviewed: Top 10 Soy Based Formula For Infants deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

Good Start

Good Start | Dr. Brown's Soy-ease Pro Baby Formula Powder, for Sensitive Tummies, Dairy Free and Lactose Free for Fussiness and Gas, Non-GMO, 20 Oz

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Editor's bottom line:

“This soy based formula for infants is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

COMPLETE NUTRITION SPECIALLY FORMULATED FOR SENSITIVE TUMMIES: Good Start | Dr. Brown's Soy-ease Pro Infant Formula provides a milk and lactose free alternative for your baby to help with fussiness and gas caused by sensitivity to milk-based formulas.
100% PLANT BASED PROTEINS: Gentle on tiny tummies with milk or lactose sensitivity.
MILK AND LACTOSE FREE: For fussiness and gas caused by sensitivity to milk or lactose.
DHA: Helps support brain and eye development.
GROWTH AND DEVELOPMENT: Made with 100% plant-based soy proteins, Good Start | Dr. Brown's Soy-ease Pro infant formula provides complete nutrition for babies with fussiness and gas caused by sensitivity to milk-based formulas. This baby formula is gentle on tiny tummies with milk or lactose sensitivity. Soy-ease Pro is for infants aged 0-12 months.

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9.5

Enfamil

Enfamil Prosobee Plant based Baby Formula, for Sensitive Tummies, Soy-based Plant Sourced Protein, Vitamins for Immune Support, Lactose-free, Milk free, Gluten free, 20.9 Oz Can

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Main Highlights

DAIRY-FREE FORMULA: Enfamil ProSobee baby formula powder is a completely lactose and dairy free, soy formula alternative to milk-based baby formula
POWDER FORMULA FOR MILK SENSITIVITY: Dairy free formula helps ease fussiness, gas & colic caused by sensitivity to milk-based formulas, with plant-based protein that is naturally easy on sensitive tummies
COMPLETE NUTRITION: Gentle formula tailored for your baby through their first 12 months
KOSHER AND VEGETARIAN: Enfamil Prosobee Soy Infant Formula is great for following special dietary guidelines, like families who require vegetarian or Kosher diets
SUPPORTS COGNITIVE-BRAIN DEVELOPMENT: Enfamil ProSobee has the same brain-nourishing DHA levels as Enfamil routine formula to foster cognitive brain development
#1 TRUSTED BRAND: Enfamil is the #1 Trusted Brand for Brain-building & Immune Support
PEDIATRICIAN RECOMMENDED: Enfamil is the #1 infant formula brand recommended by pediatricians
SNAP ELIGIBLE: Eligible to be purchased with Supplemental Nutrition Assistance Program (SNAP) benefits
SUBSCRIBE & SAVE: Choose Subscribe and Save for additional savings and convenience

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9.5

Similac

Similac Soy Isomil Infant Formula, for Fussiness & Gas, Plant-Based Protein, Infant Formula Powder, 30.8-oz Value Can, Pack of 4

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Main Highlights

GET MORE REWARDS POINTS: Scan the MySimilac QR code on select products to earn points toward a Reward
REDUCES FUSSINESS & GAS: Soy-based formulas have been clinically shown to help reduce common feeding problems such as fussiness & gas when switching from milk-based formulas
VEGETARIAN-FRIENDLY: For infants of families who follow a vegetarian or plant-based diet
NUCLEOTIDES INHERENT IN SOY PROTEIN: To help support the immune system
PREBIOTICS: For digestive health
HELPS SUPPORT BRAIN & EYES: Has DHA and lutein, important ingredients found in breast milk
NO PALM OLEIN OIL: Made with no palm olein oil to support excellent calcium absorption

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9.2

Enfamil

Enfamil Prosobee Plant based Baby Formula, for Sensitive Tummies, Soy-based Plant Sourced Protein, Vitamins for Immune Support, Lactose-free, Milk free, Gluten free, 20.9 Oz Can, 4 Count

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Main Highlights

CONTAINS: 4 20.9 ounce containers of baby formula soy milk powder (Total = 83.6 ounces)
COMPLETE NUTRITION: Gentle formula tailored for your baby through their first 12 months
#1 INFANT FORMULA: Enfamil - #1 Infant formula recommended by Pediatricians
SUPPORTS COGNITIVE-BRAIN DEVELOPMENT: Enfamil ProSobee has the same brain-nourishing DHA levels** as Enfamil routine formula to foster cognitive brain development
SNAP ELIGIBLE: Eligible to be purchased with Supplemental Nutrition Assistance Program (SNAP) benefits

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9.0

Enfamil

Enfamil Prosobee Plant based Baby Formula, for Sensitive Tummies, Soy-based Plant Sourced Protein, Vitamins for Immune Support, Lactose-free, Milk free, Gluten free, 32 Fl Oz Bottle (4 count)

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Main Highlights

COMPLETE NUTRITION: A non-GMO baby formula with iron that is designed to provide complete nutrition for babies through 12 months
#1 INFANT FORMULA: Enfamil - #1 Infant formula recommended by Pediatricians
SUPPORTS COGNITIVE BRAIN DEVELOPMENT: Enfamil ProSobee has the same brain-nourishing DHA levels** as Enfamil routine formula to foster cognitive brain development
ON THE GO: Convenient and ready to use Nursette bottles, perfect for late night feedings or on-the-go moms
SNAP ELIGIBLE: Eligible to be purchased with Supplemental Nutrition Assistance Program (SNAP) benefits
SUBSCRIBE & SAVE: Choose Subscribe and Save for additional savings and convenience

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8.8

Mama Bear

Amazon Brand - Mama Bear Soy Based Powder Infant Formula with Iron, for Fussiness & Gas, Lactose-Free, 22 ounce (Pack of 1)

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Main Highlights

LACTOSE-FREE: Lactose-free Mama Bear Soy Baby Formula is suitable for babies who may be sensitive to lactose in milk-based infant formulas. Compare to Similac Soy Isomil & Enfamil ProSobee*.
LESS GAS, LESS FUSSY: Mama Bear Soy Baby Formula reduces fussiness and gas so your lactose-sensitive baby can be more comfortable. Complete soy nutrition for babies from birth to 12 months, lactose-free, and gluten-free.
COMPLETE NUTRITION: Mama Bear Soy Baby Formula contains complete soy nutrition for the first year of life. Vitamin E, lutein and DHA, an omega-3 fatty acid, iron & 100% soy protein, plus over 25 vitamins and minerals to fuel baby's growth and development.
WITH PREBIOTICS: Prebiotics support healthy bacteria in the digestive system, crucial to immune support system development

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8.6

Similac

Similac Soy Isomil Infant Formula with Iron, Ready to Feed, 1 Qt (Pack of 4)

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Main Highlights

REDUCES FUSSINESS & GAS: Soy-based formulas have been clinically shown to help reduce common feeding problems such as fussiness & gas when switching from milk-based formulas
VEGETARIAN-FRIENDLY: For infants of families who follow a vegetarian or plant-based diet
NUCLEOTIDES INHERENT IN SOY PROTEIN: To help support the immune system
PREBIOTICS: For digestive health
HELPS SUPPORT BRAIN & EYES: Has DHA and lutein, important ingredients found in breast milk
NO PALM OLEIN OIL: Made with no palm olein oil to support excellent calcium absorption
SIMILAC IS THE #1 INFANT FORMULA BRAND FED IN HOSPITALS

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8.3

Similac

Similac Isomil Advance Soy Formula, Powder, 12.4-Ounces

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Main Highlights

Our baby formula is a nutritionally complete, soy-based infant formula that is iron-fortified and naturally lactose-free
Features OptiGRO, our exclusive blend of DHA, Lutein and Vitamin E, special nutrients found in breast milk that are important for helping support baby's brain and eye development
12.4-Ounces

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8.1

Neocate

Nutricia Neocate Infant - Hypoallergenic, Amino Acid-Based Baby Formula - Well-Tolerated & Supports Normal Growth - Infant Formula with DHA, ARA & Iron - 14.1 oz can (Pack of 1)

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Main Highlights

Baby Formula with Essential Nutrients: Our infant formula is dairy-free, has no added soy oil, and is hypoallergenic; use under supervision
Hypoallergenic Baby Formula: This hypoallergenic infant formula is made for the dietary management of cow milk allergy (CMA) and multiple food allergies (MFA); this formula is made in a milk protein-free facility without added soy oil
With Nucleotides and DHA & ARA: Our powder baby formula contains nucleotides to support the immune system and DHA & ARA to support brain and eye development
Nutritionally Complete for Infants 012 Months: Provides key nutrients to support normal growth and development
About Neocate: The worlds number 1 amino-acid-based formula brand

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8.1

Kabrita

Kabrita Goat Milk-Based Infant Formula Powder with Iron, DHA, ARA & Prebiotics, for Infants 0–12 Months, Non-GMO, 28 oz

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Main Highlights

NATURALLY CLOSER TO BREAST MILK: Gentle goat milkbased infant formula for healthy term infants 012 months that is naturally closer to breast milk than cow milk-based infant formulas, making it easier to digest and helping keep little tummies comfortable.
TRUSTED QUALITY, EVERY BATCH TESTED: Every batch is tested by accredited third-party labs to meet strict European standards and Kabritas own higher internal benchmarks.
MADE WITH CARE IN EUROPE: Produced in the Netherlands using grass-fed goat milk from family-run farms, Kabrita contains no GMOs, corn syrup, antibiotics, or growth hormones.
COMPLETE NUTRITION TO SUPPORT GROWTH & DEVELOPMENT: Provides iron, vitamin D, prebiotics, and DHA and ARA fatty acids to support immune health, gut balance, brain development, and vision.
EASY TO DIGEST FOR SENSITIVE TUMMIES: Naturally easier to digest than cow milk-based infant formulas, helping reduce common feeding discomforts such as gas, constipation, and fussiness.
CLEAN & TRUSTED: Meets rigorous European and U.S. manufacturing and safety standards and is the first goat milk-based infant formula to earn all three Clean Label Project certifications. Every batch undergoes 300+ independent checks for purity and safety, including heavy metals, pesticides, antibiotics, and plasticizers.
HERITAGE OF QUALITY FOR OVER 75 YEARS: Sourced from family farms in the Netherlands, Kabrita is trusted by parents in more than 30 countries and recognized globally for gentle digestion and high-quality nutrition.

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Our Best Overall Choice

Best Choice

9.7

Good Start

Good Start | Dr. Brown's Soy-ease Pro Baby Formula Powder, for Sensitive Tummies, Dairy Free and Lactose Free for Fussiness and Gas, Non-GMO, 20 Oz

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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

COMPLETE NUTRITION SPECIALLY FORMULATED FOR SENSITIVE TUMMIES: Good Start | Dr. Brown's Soy-ease Pro Infant Formula provides a milk and lactose free alternative for your baby to help with fussiness and gas caused by sensitivity to milk-based formulas.
100% PLANT BASED PROTEINS: Gentle on tiny tummies with milk or lactose sensitivity.
MILK AND LACTOSE FREE: For fussiness and gas caused by sensitivity to milk or lactose.
DHA: Helps support brain and eye development.
GROWTH AND DEVELOPMENT: Made with 100% plant-based soy proteins, Good Start | Dr. Brown's Soy-ease Pro infant formula provides complete nutrition for babies with fussiness and gas caused by sensitivity to milk-based formulas. This baby formula is gentle on tiny tummies with milk or lactose sensitivity. Soy-ease Pro is for infants aged 0-12 months.

Show Price

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