---
title: "Soy Formula — $238K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/soy-formula"
last_updated: "2026-08-09T06:11:52.163Z"
locale: en
meta:
description: "Niche score 43/100 · $238K/yr market · 166K searches/yr · $58.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $238K/yr market · 166K searches/yr · $58.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Soy Formula — $238K/yr Amazon US Niche (2026) - Flapen"
---
# **soy formula**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 45Growth 52Conversion 31Competition 12Returns 100Price range 62Avg price 90Brand share 0Review moat 51Quality gap 38
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$58.39**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$20.72–$148.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+23.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****1,462**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$238K**
$238K/yr · 166K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Okay****2.5%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****86%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, soy formula is a $238K/yr Amazon United States market (166K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **soy formula market data**
- **Units sold / yr**
- **6K–8K**
- avg 750–1,000/product
- **Revenue / yr**
- **$350K–$467K**
- units × avg price
- **Conversion rate**
- **2.5%**
- **Avg BSR**
- **#140**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **22%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **78 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**40**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**86%**
Top 20: 100%
**Open market**
**0%**
- Similac51% - Enfamil38% - Good Start5% - Mama Bear4% - NUTRICIA PEPTICATE2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +23.2% search growth over the last 90 days.
7K5KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/baby-products/soy-formula/trend)
## **Top soy formula search terms**
- **similac soy**22K/yr+52.0%3.5% conv. - **soy formula**21K/yr+26.4%3.3% conv. - **enfamil plant based formula**18K/yr+46.9%3.3% conv. - **similac soy isomil**20K/yr-17.0%3.8% conv. - **enfamil prosobee**10K/yr+95.6%3.7% conv. - **plant based formula**11K/yr+4.2%2.4% conv. - **soy baby formula**6K/yr+31.6%1.7% conv. - **enfamil soy plant based infant formula**4K/yr+66.2%4.7% conv. - **plant based baby formula**8K/yr-14.0%1.8% conv. - **soy formula baby**8K/yr-11.0%2.8% conv. [**All search terms **](https://flapen.com/research/us/baby-products/soy-formula/search-terms)
## **Top soy formula products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$24K20%$48K30%$71K40%$95K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Similac Soy Isomil Infant Formula for Fussiness & Gas Plant-Based Protein Infant Formula Powder 30.8-oz Value Can Pack of 4**Similac**$148.62**4.8★935 rev](https://www.amazon.com/dp/B085YQJJPH) [2**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**Enfamil**$38.57**4.6★3,475 rev](https://www.amazon.com/dp/B004L5L5TA) [3**Similac Soy Isomil Infant Formula with Iron Ready to Feed 1 Qt (Pack of 4)**Similac**$36.65**4.8★935 rev](https://www.amazon.com/dp/B00QKMG04M) [4**Similac Isomil Advance Soy Formula Powder 12.4-Ounces**Similac**$20.72**4.6★99 rev](https://www.amazon.com/dp/B003SI166S) [5**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**Enfamil**$147.46**4.6★3,475 rev](https://www.amazon.com/dp/B00CTKKBAS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Good Start | Dr. Browns Soy-ease Pro Baby Formula Powder for Sensitive Tummies Dairy Free and Lactose Free for Fussiness and Gas Non-GMO 20 Oz**Good Start**$27.88**71 rev1y ago](https://www.amazon.com/dp/B0DWY1QRY6) [**Pepticate Hypoallergenic Infant Formula for Relief of Cow Milk Allergy Symptoms Nutritionally Complete Baby Milk with DHA ARA & Prebiotics Baby Formula Suitable from 0-12 months 13.2oz**NUTRICIA PEPTICATE**$35.78**427 rev2y ago](https://www.amazon.com/dp/B0CZ7MV2BC) [**Amazon Brand - Mama Bear Soy Based Powder Infant Formula with Iron for Fussiness & Gas Lactose-Free 22 ounce (Pack of 1)**Mama Bear**$23.02**266 rev5y ago](https://www.amazon.com/dp/B0847T9PLX) [**Similac Soy Isomil Infant Formula for Fussiness & Gas Plant-Based Protein Infant Formula Powder 30.8-oz Value Can Pack of 4**Similac**$148.62**935 rev6y ago](https://www.amazon.com/dp/B085YQJJPH) [**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)**Enfamil**$46.80**3,475 rev6y ago](https://www.amazon.com/dp/B0845FVDLH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Brand - Mama Bear Soy Based Powder Infant Formula with Iron for Fussiness & Gas Lactose-Free 22 ounce (Pack of 1)**Mama Bear**$23.02**4.2★**▲ 187%**](https://www.amazon.com/dp/B0847T9PLX) [**Similac Soy Isomil Infant Formula with Iron Ready to Feed 1 Qt (Pack of 4)**Similac**$36.65**4.8★**▲ 48%**](https://www.amazon.com/dp/B00QKMG04M) [**Good Start | Dr. Browns Soy-ease Pro Baby Formula Powder for Sensitive Tummies Dairy Free and Lactose Free for Fussiness and Gas Non-GMO 20 Oz**Good Start**$27.88**4.0★**▲ 12%**](https://www.amazon.com/dp/B0DWY1QRY6) [**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**Enfamil**$38.57**4.6★**— 10%**](https://www.amazon.com/dp/B004L5L5TA) [**Similac Soy Isomil Infant Formula for Fussiness & Gas Plant-Based Protein Infant Formula Powder 30.8-oz Value Can Pack of 4**Similac**$148.62**4.8★**— 9%**](https://www.amazon.com/dp/B085YQJJPH)
**~~View all trending →~~**
## **What buyers say about soy formula**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**21%
*“Best deal”*
**Nutritional Content**16%
*“is getting the nutrition he needs”*
**Regulates Digestion**14%
*“it doesn't cause constipation”*
**Vegan/Organic**14%
*“seems a good choice if you prefer vegan option”*
**Taste-Overall**10%
*“Better Tasting”*
**Weight Gain**5%
*“The baby is gaining weight”*
**Breastfeeding Friendly**5%
*“Worked well for my baby that has a lactose sensitivity”*
**Allergies**3%
*“It was such a relief to finally find something that worked for our little ones sensitive tummy”*
**Ease Of Use**3%
*“Works well and convenient”*
**Sensitivity-Overall**2%
*“Perfect for Sensitive Babies”*
### **What buyers complain about **
**Value For Money**30%
*“Expensive for the amount”*
**Allergies**13%
*“My baby has CMPA. cow's milk protein allergy”*
**Taste-Overall**10%
*“The taste is different”*
**Size-Overall**10%
*“One of the only formulas my baby would tolerate disappointed by how small it was”*
**Nutritional Content**10%
*“This formula is no good high in corn syrup”*
**Smell**10%
*“B. It kinda stinks”*
**Regulates Digestion**5%
*“Harsh words on digestive system”*
**Solubility**3%
*“it didnt mix well still needed to stir it”*
**Thickness**3%
*“Its very thick and clumpy”*
## **Common questions**
- **Is soy formula profitable to sell on Amazon United States?**
- The niche generates $238K/yr across 9 tracked products. 90-day search growth is +23.2%. Flapen's verdict: Skip it (43/100).
- **How competitive is the soy formula niche?**
- 5 brands and 40 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in soy formula?**
- Top complaints mined from reviews: Value For Money, Allergies, Taste-Overall. The return rate is 0.1%.
- **When does demand for soy formula peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the soy formula niche?**
- Listings span $20.72–$148.62; the average listing price is $58.39 (sweet spot $15–$100). The average incumbent carries 1,462 reviews — the moat a new listing must climb.
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