Iron Complex
Skip itA small market ($47K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$18.04avg listing price — sweet spot $15–$100
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Price range
Good$8.06–$29.04cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,859.83avg incumbent reviews — the moat a new listing must climb
Growth
Okay+7.2%90-day search growth — must beat 0% to launch
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad80%top-5 click share — a locked-up shelf
Market size
Bad$47K$47K/yr · 30K searches
Is iron complex profitable on Amazon?
According to Flapen's Amazon United States niche tracking, iron complex is a $47K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 42/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
iron complex market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $45K–$54K
- units × avg price
- Conversion rate
- 8.6%
- Avg BSR
- #316
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 89 months
- Avg seller age
- 162 days
Competition: brands, sellers & click share
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
556
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
80%
Top 20: 100%
Open market
7%
- New Chapter37%
- NOW Foods22%
- THORNE16%
- Integrative Therapeutics8%
- Vitalibre5%
- Zahler4%
- Open — no brand owns it (3 brands, 7%)
iron complex demand & seasonality
Weekly Amazon search volume, last 91 weeks — +7.2% search growth over the last 90 days.Peak months: Feb, Mar · busiest ÷ quietest = 2.4×
Top iron complex search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- iron complex14K/yr
- new chapter iron8K/yr
- iron complex supplement5K/yr
- new chapter iron supplement3K/yr
Top iron complex 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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
New Chapter Iron Supplement Whole-Food Fermented Iron Complex Made with Organic Vegetables & Herbs + One Daily Non-Constipating Dose- 60ct 2 Month Supply
New Chapter$21.974.6★2,045 rev

NOW Foods Supplements Iron Complex Non-Constipating* Essential Mineral 100 Tablets
NOW Foods$8.064.6★1,431 rev

THORNE - Advanced Iron Complex - Complete Blood Support Formula* - Elemental Iron Folate B and C Vitamins for Optimal Absorption - Chelated Iron Supplement - Gluten Dairy & Soy-Free - 60 Capsules
THORNE$25.514.6★4,282 rev

New Chapter Iron Supplement Whole-Food Fermented Iron Complex Made with Organic Vegetables & Herbs + One Daily Non-Constipating Dose- 90ct 3 Month Supply
New Chapter$29.044.6★2,045 rev

Integrative Therapeutics Iron Complex - Wellness & Energy Support with Vitamins C & B12* - Includes Folate - Gluten-Free & Dairy-Free - 90 Softgels (45 Servings)
Integrative Therapeutics$27.004.7★449 rev
Newest
by launch date
Doctors Recipes Iron Supplement for Women 65 mg Iron Bisglycinate w/Vitamins C B6 Folic Acid & B12 Beet Root & Spinach Energy Production & Blood Health Stomach Friendly 30 Vegan Capsules
Doctor's Recipes$10.06192 rev

Iron Supplement for Women & Men with Vitamins C B6 B12 & Folate for Iron Deficiency Blood Building & Energy Support Stomach Friendly Better Absorption Non-GMO No Gluten 60 Vegan Caps
Vitalibre$16.40750 rev

Iron Supplement for Women & Men with Vitamins C B6 B12 & Folate for Iron Deficiency Blood Building & Energy Support Stomach Friendly Better Absorption Non-GMO No Gluten 120 Vegan Caps
Vitalibre$22.45750 rev

New Chapter Iron Supplement Whole-Food Fermented Iron Complex Made with Organic Vegetables & Herbs + One Daily Non-Constipating Dose- 90ct 3 Month Supply
New Chapter$29.042,045 rev

MegaFood Blood Builder Iron Supplement Energy Support 72 Mini Tablets
MegaFood$16.4216,358 rev
Trending
90-day click momentum
THORNE - Advanced Iron Complex - Complete Blood Support Formula* - Elemental Iron Folate B and C Vitamins for Optimal Absorption - Chelated Iron Supplement - Gluten Dairy & Soy-Free - 60 Capsules
THORNE$25.514.6★

Doctors Recipes Iron Supplement for Women 65 mg Iron Bisglycinate w/Vitamins C B6 Folic Acid & B12 Beet Root & Spinach Energy Production & Blood Health Stomach Friendly 30 Vegan Capsules
Doctor's Recipes$10.064.6★

Iron Supplement for Women & Men with Vitamins C B6 B12 & Folate for Iron Deficiency Blood Building & Energy Support Stomach Friendly Better Absorption Non-GMO No Gluten 120 Vegan Caps
Vitalibre$22.454.7★

New Chapter Iron Supplement Whole-Food Fermented Iron Complex Made with Organic Vegetables & Herbs + One Daily Non-Constipating Dose- 90ct 3 Month Supply
New Chapter$29.044.6★

New Chapter Iron Supplement Whole-Food Fermented Iron Complex Made with Organic Vegetables & Herbs + One Daily Non-Constipating Dose- 60ct 2 Month Supply
New Chapter$21.974.6★
What reviews say buyers love and hate about iron complex
What buyers praise and complain about, mined from review topics.What buyers love
“Effective iron supplement”
“This is a high quality product which has been of significant help in my case”
“A good vitamin—easy to take”
“No bloat, no constipation”
“doesnt cause side effects”
“Works QUICK”
“digests well”
“I can definitely feel the boost of energy”
“As described”
“I love how small the capsules are which make them easy to take”
What buyers complain about
“My iron level was low”
“has no taste”
“Made me extremely dizzy”
“I have a very sensitive stomach”
“Causes constipation”
“Smell is also terrible”
“theyre small”
“Didn't work for me”
“I cant do it twice day”
“does not absorb well”
Top return reasons
Common iron complex questions
- Is iron complex profitable to sell on Amazon United States?
- The niche generates $47K/yr across 12 tracked products. 90-day search growth is +7.2%. Flapen's verdict: Skip it (42/100).
- How competitive is the iron complex niche?
- 9 brands and 556 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in iron complex?
- Top complaints mined from reviews: Iron, Taste-Overall, Side Effects. The return rate is 0.0%.
- When does demand for iron complex peak?
- Demand peaks in Feb–Mar; the busiest month runs 2.4× the quietest.
- What does it cost to enter the iron complex niche?
- Listings span $8.06–$29.04; the average listing price is $18.04 (sweet spot $15–$100). The average incumbent carries 2,860 reviews — the moat a new listing must climb.