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.

soy formula

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

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

Good1,462

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$238K

$238K/yr · 166K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.5%

search→purchase rate — share of searches ending in a sale

Competition

Bad86%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

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

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

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

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.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top soy formula search terms

similac soy22K/yr +52.0%3.5% conv.
soy formula21K/yr +26.4%3.3% conv.
enfamil plant based formula18K/yr +46.9%3.3% conv.
similac soy isomil20K/yr -17.0%3.8% conv.
enfamil prosobee10K/yr +95.6%3.7% conv.
plant based formula11K/yr +4.2%2.4% conv.
soy baby formula6K/yr +31.6%1.7% conv.
enfamil soy plant based infant formula4K/yr +66.2%4.7% conv.
plant based baby formula8K/yr -14.0%1.8% conv.
soy formula baby8K/yr -11.0%2.8% conv.

All 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.

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

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

Similac$148.624.8★935 rev

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$38.574.6★3,475 rev

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

Similac$36.654.8★935 rev

Similac Isomil Advance Soy Formula Powder 12.4-Ounces

Similac$20.724.6★99 rev

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$147.464.6★3,475 rev

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$27.8871 rev

1y ago

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$35.78427 rev

2y ago

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

Mama Bear$23.02266 rev

5y ago

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

Similac$148.62935 rev

6y ago

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$46.803,475 rev

6y ago

What buyers say about soy formula

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money21%

“Best deal”

Nutritional Content16%

“is getting the nutrition he needs”

Regulates Digestion14%

“it doesn't cause constipation”

Vegan/Organic14%

“seems a good choice if you prefer vegan option”

Taste-Overall10%

“Better Tasting”

Weight Gain5%

“The baby is gaining weight”

Breastfeeding Friendly5%

“Worked well for my baby that has a lactose sensitivity”

Allergies3%

“It was such a relief to finally find something that worked for our little ones sensitive tummy”

Ease Of Use3%

“Works well and convenient”

Sensitivity-Overall2%

“Perfect for Sensitive Babies”

What buyers complain about

Value For Money30%

“Expensive for the amount”

Allergies13%

“My baby has CMPA. cow's milk protein allergy”

Taste-Overall10%

“The taste is different”

Size-Overall10%

“One of the only formulas my baby would tolerate disappointed by how small it was”

Nutritional Content10%

“This formula is no good high in corn syrup”

Smell10%

“B. It kinda stinks”

Regulates Digestion5%

“Harsh words on digestive system”

Solubility3%

“it didnt mix well still needed to stir it”

Thickness3%

“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.