Is black walnut extract profitable to sell on Amazon United States?

The niche generates $117K/yr across 26 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is -20.6%. Flapen's verdict: Worth a look (57/100).

How competitive is the black walnut extract niche?

23 brands and 524 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 55% of demand.

What do buyers complain about in black walnut extract?

Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Side Effects. The return rate is 0.0%.

When does demand for black walnut extract peak?

Demand peaks in Oct; the busiest month runs 3.1× the quietest.

What does it cost to enter the black walnut extract niche?

Listings span $9.05–$44.91; the average listing price is $19.04 (sweet spot $15–$100). The average incumbent carries 1,069 reviews — the moat a new listing must climb.

black walnut extract

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$19.04

avg listing price — sweet spot $15–$100

Price range

Great$9.05–$44.91

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

Brand share

Great55%

top-5 brand share — no brand owns this niche

Conversion

Good6.5%

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

Competition

Good46%

top-5 click share — leaders hold, buyers still browse

Review moat

Good1,068.85

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$117K

$117K/yr · 95K searches

Growth

Bad-20.6%

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

According to Flapen's Amazon United States niche tracking, black walnut extract is a $117K/yr Amazon United States market (95K searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Oct. Verdict: Worth a look — 57/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

black walnut extract market data

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: $114K–$152K; units × avg price
Conversion rate: 6.5%
Avg BSR: #2,365
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 61 months
Avg seller age: 172 days

Competition & brand share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 rising

Sellers

524

Top-5 brand share

55%

Top 20: 97%

Top-5 click share

46%

Top 20: 93%

Open market

40%

Nature's Answer22%
Wild & Organic14%
Pura Herba9%
Supreme Nutrition Products5%
Clean Nutraceuticals5%
Purafina4%

Demand & seasonality

Weekly Amazon search volume, last 83 weeks — -20.6% search growth over the last 90 days.

Peak months: Oct · busiest ÷ quietest = 3.1×

Open Trend

Top black walnut extract search terms

black walnut extract32K/yr -40.0%5.3% conv.
black walnut oil18K/yr -11.5%4.9% conv.
black walnut tincture22K/yr -20.3%6.9% conv.
black walnut hull tincture8K/yr -21.3%6.5% conv.
walnut extract5K/yr +9.5%4.0% conv.
black walnut tincture organic3K/yr +16.6%8.4% conv.
black walnut drops3K/yr +22.1%6.7% conv.
black walnut hull extract4K/yr +6.2%5.4% conv.

All search terms

Top black walnut extract 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Natures Answer Black Walnut Hull 2000 mg 1 oz - Alcohol-Free Natural Cleanser - Promotes Overall Well Being - Vegetarian Vegan Gluten Free Non-GMO No Preservatives or Artificial Flavors

Nature's Answer$13.084.6★998 rev

Wild & Organic Black Walnut Hull Tincture - Cleanse & Gut Support - Black Walnut Extract Supplement - Fast Absorption Liquid Drops - Add to Tea & Mix with Powder - Without Alcohol & Sugar - 4 fl oz

Wild & Organic$22.934.6★892 rev

Black Walnut Hull Tincture Natural Detox & Digestive Cleanse Organic Black Walnut Extract Drops Alcohol-Free Sugar-Free Vegan Herbal Supplement for Gut & Immune Support

Pura Herba$10.794.7★44 rev

Supreme Nutrition Black Walnut Tincture 2 fl oz | 59 Servings

Supreme Nutrition Products$31.964.8★123 rev

para Defend Wormwood Black Walnut Cleanse for Humans Drops Liquid Soursop Garlic Pumpkin Seed PAU DArco Oil of Oregano Turmeric Berberine Neem Extract Hull Bark Tincture by Clean Nutra

Clean Nutraceuticals$26.154.4★3,974 rev

Newest

by launch date

Wormwood Black Walnut Clove Cleanse Liquid Drops with SourSop Pumpkin Seed Pau DArco Garlic & Oil of Oregano Hull Extract Herb Tincture Drops For Humans 98% Absorption Gut Digestive Health (2oz)

Purafina$20.04142 rev

5mo ago

ZUZOKKAHA Black Walnut Liquid Drops - 500mg Juglans Nigra Extract - Supports Everyday Wellness Digestive Balance & Cellular Harmony - Vegan Alcohol-Free & Sugar-Free - 2.02 fl oz (60 mL)

ZUZOKKAHA$12.8140 rev

6mo ago

Nutricost Black Walnut Hulls Extract 120 Capsules for 120 Servings - Vegan GMO-Free Gluten-Free

Nutricost$9.0646 rev

6mo ago

25-in-1 Liposomal Black Walnut Wormwood Clove Tincture Cleanse for Humans Drops Liquid Lymphatic Support with Garlic Mullein Soursop Pumpkin Seed Berberine Turmeric Echinacea Cinnamon

VivoNu$13.14358 rev

7mo ago

NEW AGE Black Walnut Liquid Drops Black Walnut Extract - Cleanse Vegan Non-GMO Gluten-Free & Alcohol-Free 4 oz

NEW AGE$23.1847 rev

8mo ago

What buyers say about black walnut extract

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

What buyers love

Taste-Overall19%

“It has a strong taste”

Quality-Overall15%

“I would say quality seems solid”

Regulates Digestion5%

“Improved digestion”

Ease Of Use4%

“Easy to take”

Efficiency4%

“This stuff is really effective”

Advertised Vs Actual Product4%

“As Advertised”

Ingredients-Overall3%

“Good ingredients”

Value For Money3%

“Good value for the money”

Acid Regulator/Stomach Ache Relief3%

“no stomach upset”

Flavor2%

“it adds a rich nutty flavor”

What buyers complain about

Functionality-Overall13%

“No results”

Taste-Overall11%

“Awful taste”

Side Effects5%

“Bad, weird side effects”

Value For Money4%

“Waste of money”

Ingredients-Overall3%

“No ingredient verification”

Allergies3%

“Allergic reactiom”

Dosage3%

“it makes it hard to get the correct dosage”

Bitter3%

“Incredibly bitter”

Sweetness2%

“Chemical undertone and not sweet at all”

Advertised Vs Actual Product2%

“Does not work as advertised”

Top return reasons

Functionality-Overall33%

Ingredients-Overall17%

Leak-Proof17%

Value For Money8%

Stain Resistance8%

Residue8%

Advertised Vs Actual Product8%

Common questions

Is black walnut extract profitable to sell on Amazon United States?: The niche generates $117K/yr across 26 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is -20.6%. Flapen's verdict: Worth a look (57/100).
How competitive is the black walnut extract niche?: 23 brands and 524 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 55% of demand.
What do buyers complain about in black walnut extract?: Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Side Effects. The return rate is 0.0%.
When does demand for black walnut extract peak?: Demand peaks in Oct; the busiest month runs 3.1× the quietest.
What does it cost to enter the black walnut extract niche?: Listings span $9.05–$44.91; the average listing price is $19.04 (sweet spot $15–$100). The average incumbent carries 1,069 reviews — the moat a new listing must climb.