Is lectin shield profitable to sell on Amazon United States?

The niche generates $49K/yr across 5 tracked products. 90-day search growth is -34.6%. Flapen's verdict: Skip it (44/100).

How competitive is the lectin shield niche?

5 brands and 10 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in lectin shield?

Top complaints mined from reviews: Nutritional Content, Leak-Proof. The return rate is 0.0%.

When does demand for lectin shield peak?

Demand peaks in Sep–Oct; the busiest month runs 2.2× the quietest.

What does it cost to enter the lectin shield niche?

Listings span $28.90–$58.34; the average listing price is $36.79 (sweet spot $15–$100). The average incumbent carries 794 reviews — the moat a new listing must climb.

Lectin Shield

Skip it

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible14.7%

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

Avg price

Incredible$36.79

avg listing price — sweet spot $15–$100

Price range

Incredible$28.90–$58.34

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good794.4

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$49K

$49K/yr · 9K searches

Growth

Bad-34.6%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Is lectin shield profitable on Amazon?

According to Flapen's Amazon United States niche tracking, lectin shield is a $49K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 44/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

lectin shield market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 1K–1K; avg 100–250/product
Revenue / yr: $37K–$46K; units × avg price
Conversion rate: 14.7%
Avg BSR: #3,804
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 0.0%
Avg brand age: 97 months
Avg seller age: 160 days

Competition: brands, sellers & click share

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

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

Gundry MD57%
GOBIOTIX23%
KaraMD13%
Supersmart4%
Supreme Nutrition Products4%

lectin shield demand & seasonality

Weekly Amazon search volume, last 97 weeks — -34.6% search growth over the last 90 days.

Peak months: Sep, Oct · busiest ÷ quietest = 2.2×

Open Trend

Top lectin shield products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Gundry MD Lectin Shield Gut Health and Digestion Supplement Helps Block Potentially Harmful Lectins Supports Digestive Comfort and Intestinal Health 30 Day Supply

Gundry MD$58.344.2★742 rev

GOBIOTIX Lectin Defense - Lectin Blocker Supplement for Leaky Gut with MSM and Digestive Enzymes - Aids in Intestinal Health for Women and Men - Non-GMO + Gluten Free - 60 Capsules (1)

GOBIOTIX$28.904.3★2,008 rev

KaraMD Lectin Guard | Colon Cleansing Lectin Blocker | Slippery Elm Bladderwrack Sodium Alginate Okra Kiwi & Papaya | Gut Health for Women and Men Gluten Free 30 Servings

KaraMD$34.514.2★1,037 rev

Supersmart - Lectin Flush - Lectin Blocker Shield Supplement - Digestive Support & Detox - Intolerances & Food Allergies - Intestinal Health | Non-GMO & Gluten Free - 120 Vegetarian Capsules

Supersmart$30.334.0★23 rev

Supreme Nutrition Lectin Protect 90 Pure Herbal Combination Vegetarian Capsules

Supreme Nutrition Products$31.894.4★162 rev

Newest

by launch date

Gundry MD Lectin Shield Gut Health and Digestion Supplement Helps Block Potentially Harmful Lectins Supports Digestive Comfort and Intestinal Health 30 Day Supply

Gundry MD$58.34742 rev

6y ago

GOBIOTIX Lectin Defense - Lectin Blocker Supplement for Leaky Gut with MSM and Digestive Enzymes - Aids in Intestinal Health for Women and Men - Non-GMO + Gluten Free - 60 Capsules (1)

GOBIOTIX$28.902,008 rev

7y ago

KaraMD Lectin Guard | Colon Cleansing Lectin Blocker | Slippery Elm Bladderwrack Sodium Alginate Okra Kiwi & Papaya | Gut Health for Women and Men Gluten Free 30 Servings

KaraMD$34.511,037 rev

7y ago

Supersmart - Lectin Flush - Lectin Blocker Shield Supplement - Digestive Support & Detox - Intolerances & Food Allergies - Intestinal Health | Non-GMO & Gluten Free - 120 Vegetarian Capsules

Supersmart$30.3323 rev

8y ago

Supreme Nutrition Lectin Protect 90 Pure Herbal Combination Vegetarian Capsules

Supreme Nutrition Products$31.89162 rev

8y ago

What reviews say buyers love and hate about lectin shield

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

What buyers love

Efficiency25%

“Seems to work great”

Magnesium10%

“Has a healthy dose of magnesium sterate”

Nutritional Content10%

“A good value on a great supplement”

Regulates Digestion10%

“Helps with gas and bloating greatly”

Advertised Vs Actual Product10%

“It does as advertised”

Ease Of Chewing/Swallowing10%

“Easy to swallow”

Quality-Overall5%

“Great product”

Ease Of Use5%

“definitely makes it easier”

Joint Pain5%

“Helps with my gut issues”

Vitamin5%

“Very happy with this supplement”

What buyers complain about

Nutritional Content50%

“I have had issues when eating foods high in lectins”

Leak-Proof25%

“I have leaky gut”

Common lectin shield questions

Is lectin shield profitable to sell on Amazon United States?: The niche generates $49K/yr across 5 tracked products. 90-day search growth is -34.6%. Flapen's verdict: Skip it (44/100).
How competitive is the lectin shield niche?: 5 brands and 10 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in lectin shield?: Top complaints mined from reviews: Nutritional Content, Leak-Proof. The return rate is 0.0%.
When does demand for lectin shield peak?: Demand peaks in Sep–Oct; the busiest month runs 2.2× the quietest.
What does it cost to enter the lectin shield niche?: Listings span $28.90–$58.34; the average listing price is $36.79 (sweet spot $15–$100). The average incumbent carries 794 reviews — the moat a new listing must climb.