Is glutashield profitable to sell on Amazon United States?

The niche generates $19K/yr across 15 tracked products. 90-day search growth is -1.6%. Flapen's verdict: Skip it (44/100).

How competitive is the glutashield niche?

12 brands and 18 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 73% of demand.

What do buyers complain about in glutashield?

Top complaints mined from reviews: Taste-Overall, Solubility, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.

When does demand for glutashield peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the glutashield niche?

Listings span $22.66–$83.48; the average listing price is $48.08 (sweet spot $15–$100). The average incumbent carries 2,403 reviews — the moat a new listing must climb.

glutashield

Skip it

A small market ($19K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Price range

Incredible$22.66–$83.48

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

Avg price

Great$48.08

avg listing price — sweet spot $15–$100

Brand share

Good73%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,403.2

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay2.8%

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

Competition

Okay65%

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

Growth

Bad-1.6%

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

Market size

Bad$19K

$19K/yr · 14K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, glutashield is a $19K/yr Amazon United States market (14K searches/yr). The top 5 brands hold 73% of demand. Verdict: Skip it — 44/100.

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

glutashield market data

Units sold / yr: 100–250; avg 0–100/product
Revenue / yr: $5K–$12K; units × avg price
Conversion rate: 2.8%
Avg BSR: #242
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 100 months
Avg seller age: 168 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

19%

Pure Encapsulations20%
Metagenics15%
TERRA ORIGIN14%
Designs for Health13%
Doctor Danielle12%
Nutricost8%

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — -1.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top glutashield search terms

glutashield10K/yr +3.3%1.6% conv.
glutashield vanilla2K/yr -8.3%2.1% conv.
glutashield chocolate2K/yr -31.1%0.0% conv.

All search terms

Top glutashield 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 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Pure Encapsulations L-Glutamine Powder - Supplement for Immune and Digestive Support Gut Health and Lining Metabolism and Muscle Support* - with Pure Free-Form L-Glutamine - 8 Ounces

Pure Encapsulations$54.054.6★1,082 rev

Metagenics Glutagenics - L-Glutamine with Deglycyrrhizinated Licorice (DGL) & Aloe Vera - Supports Gut Health Digestive Function & Immune System - Non-GMO Gluten-Free Powder Supplement - 60 Servings

Metagenics$70.404.6★812 rev

TERRA ORIGIN Healthy Gut Chocolate | 30-Servings with L-Glutamine Zinc Glucosamine Slippery Elm Bark Marshmallow Root and More!

TERRA ORIGIN$35.164.5★77 rev

Gut Assist Leaky Gut Support Powder | 40-Servings with L-Glutamine Arabinogalactan Licorice Extract and More! Doctor Crafted Botanical Formula by Dr. Danielle

Doctor Danielle$41.224.3★7,083 rev

Designs for Health GI Revive Gut Health Powder - L Glutamine & Citrus Pectin for Digestive Health + Slippery Elm Marshmallow Root & Cats Claw for Healthy Intestinal & Gut Lining Support* (28 Servs)

Designs for Health$83.484.2★1,080 rev

Newest

by launch date

Balance ONE Zinc Carnosine and L-Glutamine Powder Leaky Gut Repair Formula

Balance ONE$35.9827 rev

1y ago

TERRA ORIGIN Healthy Gut Chocolate | 30-Servings with L-Glutamine Zinc Glucosamine Slippery Elm Bark Marshmallow Root and More!

TERRA ORIGIN$35.1677 rev

3y ago

XYMOGEN GlutAloeMine - 3 g L-Glutamine with Aloe Vera Extract - GI Lining & Digestive Wellness Support Prebiotic Gentle Gut Health Powder - Vegan & Non-GMO - 6.1 oz (30 Servings)

XYMOGEN$60.8563 rev

3y ago

Designs for Health IgGI Shield Powder - Dairy-Free Imunoglobulin IgG Supplement SBI with N-Acetyl-Glucosamine - Supports Healthy Intestinal Barrier Function (3.7oz / 30 Servings)

Designs for Health$79.99135 rev

4y ago

Healthy Gut Vegan Formula | with L-Glutamine and Clinically Proven ingredients | Supports Gut Permeability gastrointestinal Support Helps Alleviate Stomach discomfort and Boost Immunity*

TERRA ORIGIN$35.28138 rev

4y ago

What buyers say about glutashield

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

What buyers love

Acid Regulator/Stomach Ache Relief13%

“No more pain or bloating”

Quality-Overall11%

“It is very consistent in quality”

Regulates Digestion10%

“It can help keep bowel movements happier too”

Efficiency7%

“It Does Get the Job Done”

Value For Money4%

“Good value for the money”

Taste-Overall4%

“No gritty taste at all”

Nutritional Content4%

“Great supplement for a day to day better health”

Ingredients-Overall3%

“No unnecessary ingredients”

Solubility3%

“Dissolves easy, taste fine, no smell, its not cheap,”

Cough Relief2%

“Really helpful for my gut”

What buyers complain about

Taste-Overall13%

“Has a chalky taste”

Solubility6%

“Never dissolves”

Acid Regulator/Stomach Ache Relief6%

“Vomiting”

Value For Money5%

“Over priced junk”

Flavor4%

“The flavor isn't amazing”

Regulates Digestion4%

“Causes consipation”

Allergies4%

“Maybe your thing in more heartburn”

Functionality-Overall3%

“My body did not get the same response compared to other brands”

Advertised Vs Actual Product3%

“it's quite deceiving”

Quality-Overall3%

“Questionable quality control and handling”

Top return reasons

Taste-Overall30%

Value For Money20%

Flavor10%

Functionality-Overall10%

Joint Pain10%

Satisfaction/Pleasure10%

Size-Overall10%

Common questions

Is glutashield profitable to sell on Amazon United States?: The niche generates $19K/yr across 15 tracked products. 90-day search growth is -1.6%. Flapen's verdict: Skip it (44/100).
How competitive is the glutashield niche?: 12 brands and 18 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 73% of demand.
What do buyers complain about in glutashield?: Top complaints mined from reviews: Taste-Overall, Solubility, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
When does demand for glutashield peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the glutashield niche?: Listings span $22.66–$83.48; the average listing price is $48.08 (sweet spot $15–$100). The average incumbent carries 2,403 reviews — the moat a new listing must climb.