Is theralac probiotics profitable to sell on Amazon United States?

The niche generates $121K/yr across 5 tracked products. 90-day search growth is -4.7%. Flapen's verdict: Skip it (42/100).

How competitive is the theralac probiotics niche?

1 brands and 4 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

When does demand for theralac probiotics peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the theralac probiotics niche?

Listings span $36.22–$108.32; the average listing price is $71.90 (sweet spot $15–$100). The average incumbent carries 499 reviews — the moat a new listing must climb.

theralac probiotics

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible21.0%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Price range

Great$36.22–$108.32

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

Avg price

Great$71.90

avg listing price — sweet spot $15–$100

Review moat

Great498.8

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$121K

$121K/yr · 8K searches

Growth

Bad-4.7%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad100%

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, theralac probiotics is a $121K/yr Amazon United States market (8K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.

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

theralac probiotics market data

Units sold / yr: 2K–2K; avg 250–500/product
Revenue / yr: $108K–$144K; units × avg price
Conversion rate: 21.0%
Avg BSR: #2,704
Page quality: 0%
Prime: 80%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 111 months
Avg seller age: 169 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

1 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

THERALAC100%

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — -4.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top theralac probiotics 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 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Master Supplements Theralac - 30 Capsules Pack of 2 - Multi-Strain Probiotic for Optimal Gut Health + Gas & Bloating Relief - Gluten Free - 60 Servings

THERALAC$73.084.7★812 rev

Master Supplements Theralac - 30 Capsules - Multi-Strain Probiotic for Optimal Gut Health + Gas & Bloating Relief - Gluten Free - 30 Servings

THERALAC$36.224.7★812 rev

Master Supplements Granular Theralac - 1.05 oz - Multi-Strain Probiotic Powder for Optimal Gut Health - Great for Kids - Vegan Gluten Free - 40 Servings

THERALAC$36.684.8★10 rev

Master Supplements 30-Day Probiotic Gut Reset - Includes Theralac (30 ct.) TruBifido (30 ct.) & TruFlora (30 ct.) - Supports Optimal Gut Health - Gluten Free

THERALAC$105.204.5★48 rev

Master Supplements Theralac - 30 Capsules Pack of 3 - Multi-Strain Probiotic for Optimal Gut Health + Gas & Bloating Relief - Gluten Free - 90 Servings

THERALAC$108.324.7★812 rev

Newest

by launch date

Master Supplements 30-Day Probiotic Gut Reset - Includes Theralac (30 ct.) TruBifido (30 ct.) & TruFlora (30 ct.) - Supports Optimal Gut Health - Gluten Free

THERALAC$105.2048 rev

8y ago

Master Supplements Theralac - 30 Capsules Pack of 3 - Multi-Strain Probiotic for Optimal Gut Health + Gas & Bloating Relief - Gluten Free - 90 Servings

THERALAC$108.32812 rev

9y ago

Master Supplements Granular Theralac - 1.05 oz - Multi-Strain Probiotic Powder for Optimal Gut Health - Great for Kids - Vegan Gluten Free - 40 Servings

THERALAC$36.6810 rev

9y ago

Master Supplements Theralac - 30 Capsules Pack of 2 - Multi-Strain Probiotic for Optimal Gut Health + Gas & Bloating Relief - Gluten Free - 60 Servings

THERALAC$73.08812 rev

16y ago

Master Supplements Theralac - 30 Capsules - Multi-Strain Probiotic for Optimal Gut Health + Gas & Bloating Relief - Gluten Free - 30 Servings

THERALAC$36.22812 rev

22y ago

What buyers say about theralac probiotics

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

What buyers love

Nutritional Content63%

“Best probiotic”

Quality-Overall25%

“Good product”

Efficiency13%

“Works very well”

Common questions

Is theralac probiotics profitable to sell on Amazon United States?: The niche generates $121K/yr across 5 tracked products. 90-day search growth is -4.7%. Flapen's verdict: Skip it (42/100).
How competitive is the theralac probiotics niche?: 1 brands and 4 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
When does demand for theralac probiotics peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the theralac probiotics niche?: Listings span $36.22–$108.32; the average listing price is $71.90 (sweet spot $15–$100). The average incumbent carries 499 reviews — the moat a new listing must climb.