Similac Soy Vs Enfamil Soy

Similac soy vs Enfamil soy: which is better? Choosing the right soy formula for your baby can be a bit difficult, especially for new a mom starting her parental journey.

Soy formula is one of the most popular alternatives to cow milk formula. Parents whose baby suffers from lactose intolerance, colic, reflux, and allergy- believe that soy formula would be the best choice for their baby.

But, before comparing –  Similac soy vs Enfamil soy. Parents should know, what is soy formula? It is good for a baby? and when to make a switch?

Soy Infant Formula

Soy formula is a form of baby food made using soy protein from soybeans and other ingredients. Some parents give their infants soy formula as a replacement for cow milk formula especially for a baby with a sensitive tummy.

Cow’s milk protein sensitivity makes babies fussy and irritated especially infants between 0 to 12 months. This is because of the excess gas in their tummy that makes them feel uncomfortable.

To help a baby through this difficult phase, many moms do opt for soy-based infant formulas.

However, mothers should be cautious when making this decision as the safety of soy baby formula has been questioned.

This is due to the presence of compounds called isoflavones found in the soy and other legumes. (Get researched content on soy infant formula here)

Similac soy vs Enfamil soy: Which is better

When comparing Similac soy vs Enfamil soy – It is ideal we take a deep look at each product and see their strength and weakness before deciding which one to purchase. 

The distinct difference between these two soy infant formulas is the sensitivity of a baby’s tummy and how they digest sugar. Similac Soy is better in taste as it has more sugar.

While Enfamil Soy formula has less sugar. It is better for babies with difficulty digesting sugar.

ALSO READ: Is There a Generic for Nutramigen Formula?

Similac Soy Isomil Reviews

Similac Soy Isomil is a baby formula made from high-quality soy proteins to help newborns who have troubling effects from cow milk, lactose intolerant, or babies who can’t take traditional baby milk due to various health issues.

Isomil is lactose-free and cow milk-free and it is available in powdered milk and prepared to feed milk.

Isomil is intended to reduce the fussiness in babies arising from the excess gas in their tummy that causes pain or discomfort feeling. Isomil formula is appropriate for newborns who can’t be fed with normal cow’s milk.

Similac Soy Isomil is rich in OptiGRO, which is a special mix of DHA, Vitamin E, and Lutein. Your baby needs DHA for brain development.

Vitamin E is a significant nutrient needed for cell development. Lutein has similar nutrients same as those found in breast milk, which is needed for eye health.

Isomil contains other nutrients such as; Nucleotides for the improvement of the immune system, Antioxidants for cell protection, Prebiotics for the promotion good digestive system, and improving the baby’s immune system.


Similac Soy Isomil Pros and Cons

Similac Soy is Made with the gentleness of soy – Ideal for babies with sensitive tummy. It has a complete nutrient needed by babies from 0 – 12 months.

It contains OptiGRO – A blend of ingredients found in breast milk: Lutein, Vitamin E, and DHA and easy to digest and less colic. It tastes better due to added sugar

  • Made with the gentleness of soy for sensitive tummy.
  • It has complete nutrients needed by babies.
  • Contains OptiGRO – A blend of Lutein, Vitamin E, and DHA.
  • Easy to digest and less colic.
  • It tastes better due to added sugar.
  • Not ideal for babies with difficulty digesting sugar.
  • Some baby may experience constipation.
  • It is expensive.

Enfamil Soy Formula Reviews

Enfamil ProSobee is manufactured by Mead Johnson and it is a soy-based baby formula made for babies with fussiness, gas, and colic caused by cow’s milk formulas. ProSobee is lactose-free and dairy-free baby formula.

Enfamil soy formula is rich in DHA, Choline, Calcium, and Iron. It very effective in reducing the gas from the baby’s tummy that causes discomfort.

Enfamil ProSobee is made from quality soy proteins intended to provide the complete nutrient a baby needs – especially those from 0 to 12 months.

Enfamil ProSobee soy is a good choice for a Vegan family – who wants vegetarian or Kosher diets for their babies. Enfamil ProSobee soy is suitable for lactose sensitivity infants with protein allergies.


 Enfamil Soy Formula Pros and Cons

Enfamil ProSobee is a good formula that can help to reduce fussiness and gas caused by milk-based formulas. The soy protein is designed as complete nutrition for babies and friendly to the tummy.

Good for lactose intolerant babies as it Milk-free, dairy-free and lactose-free. It has DHA and AHA oils needed for infant’s eye and brain development.

  • Enfamil ProSobee can reduce fussiness and gas caused by milk-based formulas.
  • The soy protein is a complete nutrition for the first 12 months.
  • It is friendly to the tummy.
  • Good for lactose intolerant babies.
  • It has DHA and AHA oils for brain development.
  • Sometime not available on most online stores.
  • The taste is not encouraging as it has no added sugar.

ALSO READ: Is There a Generic for Nutramigen Formula: 4 Things You should Know.

Difference Between Enfamil Prosobee and Similac Soy

Enfamil Prosobee and Similac Prosobee are both incredible soy infant formulas, be that as it may, there is some reasonable difference:

 Similac Isomil SoyEnfamil Prosobee Soy
SmellSimilac Soy has a sharp smell that may not be pleasant to some moms and babies that are sensitive to smell.Enfamil soy has a strong smell that moms find comfortable while other moms find the smell unpleasant.
TasteSimilac Isomil contains more sugar and high linoleic acid to improve formula taste and flavor.It’s filled with corn syrup and palm olein as an alternative for sugar to give taste and flavor.
Sensitivity on TummySimilac Soy is a soy-based baby formula – offering the gentleness of soy to soothe your baby’s sensitive tummy.Enfamil Prosobee contains soy proteins that help to assists sensitive tummies. There is also corn syrup which is a great substitute for babies who find it hard to digest sugar.
NutrientsIsomil is enriched with complete nutrients that support an infant’s brain development, beneficial for eye health, and help developing cells.Enfamil soy is made specifically to meet the complete nutritional needs of your baby. It supports early milestones and cognitive development and provides a healthy immune system.
IngredientsSimilac Soy is designed with OptiGro that provides a blend of ingredients such as Lutein, DHA, and Vitamin E. Lutein is the same nutrient found in breast milk and beneficial to your baby.Enfamil ProSobee soy is milk-free infant formula, the milk in the formula is replaced by Soy Protein Isolate, derived from soybean. ProSobee is enriched with other nutrients, including DHA and ARA Choline, Calcium, corn syrup, palm olein, and Iron.
PriceIsomil soy is more expensive than Enfamil ProSobee.Enfamil Soy is much affordable baby formula.
OptionsIsomil is available both in powdered milk and ready to feed liquid.Enfamil ProSobee Soy is available in powdered milk, ready to feed liquid, and concentrated liquid.
Best DealSave More Money, Please click here.Save More Money, Please click here.

When to Switch Baby to Soy Formula

I know you think switching your baby to soy formula may be the best option for your baby at the moment. But, you need the directives of a pediatrician before you go on buying any soy-based formula.

Even if your baby suffers from upset stomachs, gas, and fussiness as a result of the cow milk-based formula. You shouldn’t take the decision alone.

Your pediatrician can recommend the use of soy formula for infants with the following conditions:

  1. Galactosemia (it is an uncommon hereditary problem that influences a baby’s capacity to breakdown the sugar galactose appropriately).
  2. Lactase deficiency (a disorder in which a baby is born without Lactase. The (enzyme) responsible for breaking down sugar to lactose).
  3. For vegan parents and moms who aren’t breastfeeding, but want to raise their babies as a vegetarian.

Is Soy Formula Bad for Babies?

Whether Similac soy formula or Enfamil soy formula, the safety of soy formula for your baby balls down to the particular child the formula is intended for.

Some babies do well with it and some don’t. Therefore, the safety of soy formula for babies is relative.

In most cases, soy formula is harmless to most healthy infants. It is as good as other types of baby formula and particularly ideal for vegetarian families and infants with genetic lactase deficiency or galactosemia.

Is Similac Soy Isomil the Same as Enfamil ProSobee?

When comparing Similac soy vs Enfamil soy. It essential to know that these formulas are the same as they are soy-based formulas.

Soy formula uses Soy Protein Isolate to replace the milk in regular infant formula. Both formulas contain the same percentage of Soy Protein Isolate (14%) as ingredients. And also uses corn syrup as a source of fat and taste.

What are the Best Soy Baby Formulas?

When the pediatrician finally gave his/her approval to change to soy formula. It is important to know that these formulas are as good as any other formulas available here.

The following formulas are the best soy baby formula options available on the market:

  1. Enfamil ProSobee Soy
  2. Similac Soy Isomil
  3. Gerber Good Start Soy
  4. Mama Bear Soy-Based Powder Infant Formula
  5. Gerber good start plant based protein


Similac soy vs Enfamil soy, Which is Better? The better soy formula from my personal experience is the Similac Soy Isomil. Isomil was gentle on my baby’s tummy and she never experienced constipation as rumored.

Similac soy and Enfamil soy are both good for babies. They have the same percentage of soy proteins and also contain corn syrup.  The only significant difference is the price and the amount of corn syrup solids used.

Similac Isomil used 39% of Corn Syrup While Enfamil Soy ProSobee used 50% of Corn Syrup Solids in their Ingredients list. But, Similac Soy Isomil added sugar in their formula.

I will recommend Enfamil Soy ProSobee for moms who are not comfortable having sugar in their baby’s formula.

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