ferrous gluconate 27 mg
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible20.5%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Review moat
Good634.2avg incumbent reviews — the moat a new listing must climb
Avg price
Good$14.34avg listing price — sweet spot $15–$100
Price range
Good$6.42–$28.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+14.6%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad77%top-5 click share — a locked-up shelf
Market size
Bad$66K$66K/yr · 23K searches
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, ferrous gluconate 27 mg is a $66K/yr Amazon United States market (23K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 45/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
ferrous gluconate 27 mg market data
- Units sold / yr
- 4K–5K
- avg 250–500/product
- Revenue / yr
- $57K–$72K
- units × avg price
- Conversion rate
- 20.5%
- Avg BSR
- #430
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 60%
- Out of stock
- 3.9%
- Avg brand age
- 85 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 rising
Sellers
52
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
77%
Top 20: 100%
Open market
0%
- Fergon75%
- Quality Choice7%
- Nature's Bounty6%
- MAJOR6%
- GeriCare4%
- Doctor's BEST3%
Demand
Weekly Amazon search volume, last 8 weeks — +14.6% search growth over the last 90 days.Top ferrous gluconate 27 mg search terms
- fergon iron supplement10K/yr
- ferrous gluconate 27 mg5K/yr
- fergon5K/yr
- iron 27 mg3K/yr
Top ferrous gluconate 27 mg 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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fergon Iron Highly Soluble & Easily Digested 27 mg Iron 100 Tablets
Fergon$11.344.6★1,020 rev
Fergon High Potency Iron Supplement Tablets 100 Count Pack of 2
Fergon$22.634.8★418 rev
Fergon High Potency Iron Supplement 100 Count
Fergon$12.864.6★157 rev
Fergon Iron Restore Chewable Tablets - Gentle on Stomach 27mg Iron 60ct
Fergon$14.144.4★1,067 rev
Quality Choice Energy Support Iron 27 mg Ferrous Gluconate Tablets 100 Count
Quality Choice$7.004.6★163 rev
Newest
by launch dateQuality Choice Energy Support Iron 27 mg Ferrous Gluconate Tablets 100 Count
Quality Choice$7.00163 rev
Fergon High Potency Iron Supplement Tablets 100 Count Pack of 2
Fergon$22.63418 rev
Fergon Iron Restore Chewable Tablets - Gentle on Stomach 27mg Iron 60ct
Fergon$14.141,067 rev
Doctors Best High Absorption Iron Tablet with Ferrochel Gentle on The Stomach Immune Health Blood Health 27 mg
Doctor's BEST$9.421,388 rev
Fergon High Potency Iron Supplement 100 Count
Fergon$12.86157 rev
Trending
90-day click momentum
Gericare Ferrous Gluconate 27mg Iron Tablets Gentle Daily Iron Supplement to Support Healthy Iron Levels & Natural Energy Easy-to-Digest Formula 100 Count (Pack of 2)
GeriCare$16.174.5★
Natures Bounty Gentle Iron 28 mg Capsules with Vitamin C Folic Acid Vitamin B-12 Iron Supplement Non-GMO Gluten-Free 90 Count
Nature's Bounty$6.424.7★
Major 27 mg Ferate Tabs - Ferrous Gluconate Elemental Iron Dietary Supplement - 100 Count (3 Pack)
MAJOR$14.594.6★
Doctors Best High Absorption Iron Tablet with Ferrochel Gentle on The Stomach Immune Health Blood Health 27 mg
Doctor's BEST$9.424.6★
Fergon High Potency Iron Supplement Tablets 100 Count Pack of 2
Fergon$22.634.8★
What buyers say about ferrous gluconate 27 mg
What buyers praise and complain about, mined from review topics.What buyers love
“This is a great iron tablet”
“Excellent Product”
“This is truly gentle on the stomach”
“As advertised”
“works well for senior adults with constipation issues”
“Good value”
“Easy on the stomach”
“Works well”
“Added vitamin C, folic acid, and B-12 round it out nicely”
“Gentle on your insides”
What buyers complain about
“I truly can't tell if it made any difference or not because I didn't feel low in iron as I have in the past”
“I have a very sensitive stomach”
“They put a label over the instructions which is incredibly foolhardy”
“Intentionally deceiving”
“Made me sick”
“Taste Horrible”
“Can cause constipation”
“Makes me sick”
“Has slightly sharp edges”
“reading the front of the label alone doesn't make it easy when dosing”
Top return reasons
Common questions
- Is ferrous gluconate 27 mg profitable to sell on Amazon United States?
- The niche generates $66K/yr across 10 tracked products. 90-day search growth is +14.6%. Flapen's verdict: Skip it (45/100).
- How competitive is the ferrous gluconate 27 mg niche?
- 6 brands and 52 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in ferrous gluconate 27 mg?
- Top complaints mined from reviews: Iron, Acid Regulator/Stomach Ache Relief, Instructions/User Manual/Troubleshooting. The return rate is 0.0%.
- What does it cost to enter the ferrous gluconate 27 mg niche?
- Listings span $6.42–$28.84; the average listing price is $14.34 (sweet spot $15–$100). The average incumbent carries 634 reviews — the moat a new listing must climb.