Is spore probiotic profitable to sell on Amazon United States?

The niche generates $960K/yr across 7 tracked products. 90-day search growth is -15.8%. Flapen's verdict: Skip it (47/100).

How competitive is the spore probiotic niche?

5 brands and 17 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in spore probiotic?

Top complaints mined from reviews: Value For Money, Functionality-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.

When does demand for spore probiotic peak?

Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.5× the quietest.

What does it cost to enter the spore probiotic niche?

Listings span $17.47–$130.18; the average listing price is $49.79 (sweet spot $15–$100). The average incumbent carries 1,635 reviews — the moat a new listing must climb.

spore probiotic

Skip it

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$49.79

avg listing price — sweet spot $15–$100

Conversion

Great9.1%

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

Market size

Great$960K

$960K/yr · 211K searches

Price range

Good$17.47–$130.18

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay1,634.86

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-15.8%

90-day search growth — must beat 0% to launch

Competition

Bad92%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, spore probiotic is a $960K/yr Amazon United States market (211K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 47/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

spore probiotic market data

Units sold / yr: 15K–20K; avg 2,000–2,500/product
Revenue / yr: $747K–$996K; units × avg price
Conversion rate: 9.1%
Avg BSR: #477
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 78 months
Avg seller age: 157 days

Competition & brand share

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

Just Thrive65%
Microbiome Labs13%
Youtheory11%
Haliwooya6%
Natures Instincts5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -15.8% search growth over the last 90 days.

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.5×

Open Trend

Top spore probiotic search terms

just thrive probiotics71K/yr -18.0%10.3% conv.
spore probiotic42K/yr -11.8%7.0% conv.
spore based probiotic26K/yr -10.2%4.3% conv.
just thrive14K/yr -6.3%7.1% conv.
just thrive probiotic20K/yr -42.5%8.4% conv.
just thrive probiotics for women7K/yr +13.2%2.9% conv.
thrive probiotic10K/yr -19.6%8.3% conv.
spore probiotics5K/yr -18.8%5.4% conv.
sporebiotic4K/yr -9.1%7.2% conv.
justthrive probiotic5K/yr -23.5%11.0% conv.

All search terms

Top spore probiotic 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 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Just Thrive Probiotic & Antioxidant Supplement - 100% Spore-Based Digestive and Immune Support - Gluten Free 30 Caps

Just Thrive$49.744.6★2,995 rev

Microbiome Labs MegaSporeBiotic Probiotics for Women & Men - Spore-Based Probiotic for Gut Health & Digestive Support - Shelf-Stable Travel-Friendly Mens & Womens Probiotics (60 Capsules)

Microbiome Labs$63.554.6★3,643 rev

Youtheory Spore Probiotic - Helps Gut Health* - 6 Billion CFU with Prebiotics - Supports Regular Bowel Movement & Diarrhea Relief* - Shelf Stable - 60 Vegetarian Capsules (30-Day Supply)

Youtheory$21.364.5★1,072 rev

Haliwooya 100% Spore Probiotic 20 Billion CFU Spore Based Probiotics for Women & Men No Refrigeration & Vegan 90 Capsules

Haliwooya$19.524.8★48 rev

Natures Instincts Ultra Spore Probiotic with Live Strains | Daily Soil Based Probiotic for Digestive Support & Gut Health | Soy-Free Dairy-Free Gluten-Free Non-Refrigerated Probiotics 30 Capsules

Natures Instincts$17.474.5★606 rev

Newest

by launch date

Haliwooya 100% Spore Probiotic 20 Billion CFU Spore Based Probiotics for Women & Men No Refrigeration & Vegan 90 Capsules

Haliwooya$19.5248 rev

1y ago

Just Thrive Probiotic Gummies - Kids Men and Womens Probiotic - for Digestive and Overall Health 30 Count

Just Thrive$46.7285 rev

2y ago

Just Thrive Probiotic & Antioxidant Supplement - 100% Spore-Based Digestive and Immune Support - Gluten Free 90 Caps

Just Thrive$130.182,995 rev

6y ago

Microbiome Labs MegaSporeBiotic Probiotics for Women & Men - Spore-Based Probiotic for Gut Health & Digestive Support - Shelf-Stable Travel-Friendly Mens & Womens Probiotics (60 Capsules)

Microbiome Labs$63.553,643 rev

7y ago

Natures Instincts Ultra Spore Probiotic with Live Strains | Daily Soil Based Probiotic for Digestive Support & Gut Health | Soy-Free Dairy-Free Gluten-Free Non-Refrigerated Probiotics 30 Capsules

Natures Instincts$17.47606 rev

7y ago

What buyers say about spore probiotic

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

What buyers love

Nutritional Content25%

“One of the best probiotics you can find”

Quality-Overall18%

“Excellent product”

Regulates Digestion11%

“Excellent product that aids in digestion”

Acid Regulator/Stomach Ache Relief7%

“No stomach issues”

Efficiency5%

“It does a good job”

Value For Money4%

“its worth it”

Side Effects3%

“No side effects”

Vitamin3%

“Just Thrive Probiotic & Antioxidant”

Ease Of Use3%

“Easy to take and very effective”

Dosage2%

“Half a capsule a day works for me”

What buyers complain about

Value For Money41%

“Waste of money”

Functionality-Overall13%

“Did not work for me”

Acid Regulator/Stomach Ache Relief7%

“I have terrible gut dybiosis Im wrkn on”

Regulates Digestion7%

“Causes bowel issues”

Fever Relief5%

“This product made me feel sick”

Dosage3%

“Did not receive 30 pills”

Nutritional Content3%

“Skip the probiotic supplements”

Quality-Overall3%

“This is not a cheap product”

Side Effects2%

“nor did it helped me feel better overall”

Taste-Overall2%

“Easy to swallow, no taste”

Top return reasons

Ingredients-Overall33%

Functionality-Overall33%

Taste-Overall17%

Hard Feel17%

Common questions

Is spore probiotic profitable to sell on Amazon United States?: The niche generates $960K/yr across 7 tracked products. 90-day search growth is -15.8%. Flapen's verdict: Skip it (47/100).
How competitive is the spore probiotic niche?: 5 brands and 17 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in spore probiotic?: Top complaints mined from reviews: Value For Money, Functionality-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
When does demand for spore probiotic peak?: Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.5× the quietest.
What does it cost to enter the spore probiotic niche?: Listings span $17.47–$130.18; the average listing price is $49.79 (sweet spot $15–$100). The average incumbent carries 1,635 reviews — the moat a new listing must climb.