Is inulin fos profitable to sell on Amazon United States?

The niche generates $183K/yr across 8 tracked products. 90-day search growth is -30.6%. Flapen's verdict: Skip it (40/100).

How competitive is the inulin fos niche?

6 brands and 20 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 97% of demand.

What do buyers complain about in inulin fos?

Top complaints mined from reviews: Ingredients-Overall, Dosage, Advertised Vs Actual Product. The return rate is 0.0%.

When does demand for inulin fos peak?

Demand peaks in Oct–Nov; the busiest month runs 13.8× the quietest.

What does it cost to enter the inulin fos niche?

Listings span $9.13–$31.56; the average listing price is $20.45 (sweet spot $15–$100). The average incumbent carries 2,956 reviews — the moat a new listing must climb.

Inulin Fos

Skip it

Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$20.45

avg listing price — sweet spot $15–$100

Conversion

Great8.7%

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

Price range

Good$9.13–$31.56

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

Market size

Okay$183K

$183K/yr · 103K searches

Review moat

Okay2,955.5

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-30.6%

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

Competition

Bad89%

top-5 click share — a locked-up shelf

Brand share

Bad97%

top-5 brand share — brand-locked demand

Is inulin fos profitable on Amazon?

According to Flapen's Amazon United States niche tracking, inulin fos is a $183K/yr Amazon United States market (103K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 40/100.

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

inulin fos market size & sales

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

Units sold / yr: 8K–10K; avg 1,500–2,000/product
Revenue / yr: $164K–$205K; units × avg price
Conversion rate: 8.7%
Avg BSR: #218
Page quality: 0%
Prime: 100%
Sponsored: 75%
Out of stock: 2.6%
Avg brand age: 77 months
Avg seller age: 180 days

Competition: brands, sellers & click share

The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

89%

Top 20: 100%

Open market

Micro Ingredients55%
Sprout Living16%
Kidney Restore10%
NOW Foods10%
PURE ORIGINAL INGREDIENTS6%
Nutricost3%

inulin fos demand & seasonality

Weekly Amazon search volume, last 97 weeks — -30.6% search growth over the last 90 days.

Peak months: Oct, Nov · busiest ÷ quietest = 13.8×

Open Trend

Top inulin fos search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

inulin with fos62K/yr -46.6%6.9% conv.
inulin fos17K/yr -22.1%5.7% conv.
inulin fos powder8K/yr +28.3%9.8% conv.
inulin with fos powder15K/yr -3.6%9.8% conv.

All search terms

Top inulin fos 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 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Micro Ingredients Organic Inulin FOS Fiber Powder 2.2 lbs | Quick Water-Soluble Prebiotic | Natural Fiber for Smoothies & Drinks | Vegan Friendly Dissolves Clear

Micro Ingredients$29.924.6★5,239 rev

Sprout Living Organic Inulin with FOS Prebiotic Powder Soluble Fiber for Leaky Gut Bloating Digestion Feed Friendly Bacteria (Probiotics) 1 Scoop Daily 1 lb (90 Servings)

Sprout Living$19.764.7★515 rev

Micro Ingredients Organic Inulin FOS Fiber Powder 1.1 lb | Quick Water-Soluble Prebiotic | Natural Unflavored Fiber for Yogurt Smoothies & Drinks | Vegan Friendly Dissolves Clear Non-GMO

Micro Ingredients$19.724.6★5,239 rev

Perfect Gut: Inulin FOS Powder for Gut Health. Prebiotic Inulin. Unique Prebiotic 95% FOS Agave Fiber

Kidney Restore$31.564.4★139 rev

NOW Foods Supplements Inulin Prebiotic Pure Powder Certified Organic Non-GMO Project Verified Intestinal Support* 1-Pound

NOW Foods$15.924.6★5,567 rev

Newest

by launch date

Micro Ingredients Organic Inulin FOS Fiber Powder 1.1 lb | Quick Water-Soluble Prebiotic | Natural Unflavored Fiber for Yogurt Smoothies & Drinks | Vegan Friendly Dissolves Clear Non-GMO

Micro Ingredients$19.725,239 rev

1y ago

Perfect Gut: Inulin FOS Powder for Gut Health. Prebiotic Inulin. Unique Prebiotic 95% FOS Agave Fiber

Kidney Restore$31.56139 rev

1y ago

Nutricost Organic Inulin Powder 1LB (454 Grams) Certified USDA Organic

Nutricost$21.601,001 rev

5y ago

Pure Original Ingredients Inulin FOS Powder (1 lb) Always Pure No Fillers Or Additives Lab Verified

PURE ORIGINAL INGREDIENTS$16.03377 rev

6y ago

NOW Foods Supplements Inulin Prebiotic Pure Powder Certified Organic Non-GMO Project Verified Intestinal Support* 1-Pound

NOW Foods$15.925,567 rev

6y ago

What reviews say buyers love and hate about inulin fos

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

What buyers love

Solubility13%

“The powder mixes well”

Quality-Overall12%

“Seems to be good quality BUT HIGH FODMAPs”

Nutritional Content10%

“Good supplement”

Regulates Digestion9%

“Works to reduce bloating”

Taste-Overall6%

“Good Taste”

Ingredients-Overall4%

“It is made with pure ingredients”

Efficiency4%

“Works well”

Vegan/Organic4%

“Certified organic AND it's in a round bottle”

Sweetness3%

“It has a mild sweet flavor”

Value For Money3%

“Works well and affordable”

What buyers complain about

Ingredients-Overall9%

“not the bag's ingredients list”

Dosage5%

“the amount is too much for me”

Advertised Vs Actual Product5%

“Product and description are different”

Side Effects4%

“Made me sick”

Taste-Overall4%

“No taste”

Functionality-Overall3%

“Doesnt work”

Contamination3%

“The last two bags, one purchased in 2025, and now 2026, have been contaminated; as my yogurt smells like cow manure”

Acid Regulator/Stomach Ache Relief3%

“starting in my stomach”

Solubility2%

“I don't like that it dissolves well in water”

Comfort-Overall2%

“Feeling Uncomfortable”

Top return reasons

Functionality-Overall40%

Advertised Vs Actual Product20%

Artificial Sweeteners20%

Acid Regulator/Stomach Ache Relief20%

Common inulin fos questions

Is inulin fos profitable to sell on Amazon United States?: The niche generates $183K/yr across 8 tracked products. 90-day search growth is -30.6%. Flapen's verdict: Skip it (40/100).
How competitive is the inulin fos niche?: 6 brands and 20 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in inulin fos?: Top complaints mined from reviews: Ingredients-Overall, Dosage, Advertised Vs Actual Product. The return rate is 0.0%.
When does demand for inulin fos peak?: Demand peaks in Oct–Nov; the busiest month runs 13.8× the quietest.
What does it cost to enter the inulin fos niche?: Listings span $9.13–$31.56; the average listing price is $20.45 (sweet spot $15–$100). The average incumbent carries 2,956 reviews — the moat a new listing must climb.