iron supplements
Skip itA concentrated shelf (top 5 take 89% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible13.2%search→purchase rate — share of searches ending in a sale
Market size
Good£751K£751K/yr · 679K searches
Price range
Okay£2.65–£20.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad6,622.56avg incumbent reviews — the moat a new listing must climb
Avg price
Bad£8.41avg listing price — sweet spot $15–$100
Growth
Bad-12.2%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand
Competition
Bad89%top-5 click share — a locked-up shelf
According to Flapen's Amazon United Kingdom niche tracking, iron supplements is a £751K/yr Amazon United Kingdom market (679K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 43/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
iron supplements market data
- Units sold / yr
- 80K–100K
- avg 12,500–15,000/product
- Revenue / yr
- £673K–£841K
- units × avg price
- Conversion rate
- 13.2%
- Avg BSR
- #7
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 59 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
45
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
4%
- Nutrition Geeks47%
- WeightWorld19%
- Feroglobin14%
- Vitabiotics Ultra8%
- NEW LEAF PRODUCTS4%
- Solgar3%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top iron supplements search terms
- iron supplements357K/yr
- iron supplements for women63K/yr
- iron supplement45K/yr
- iron tablets high strength47K/yr
- iron tablets women29K/yr
- ferritin supplements22K/yr
- ferritin21K/yr
- high strength iron tablets18K/yr
- iron vitamins18K/yr
- iron supplements for men12K/yr
Top iron supplements 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Iron Tablets High Strength - Energy Tablets with Vitamin C B12 & Folic Acid - 120 Vegan Iron Supplements for Women and Men - 14mg - Enhanced Energy Support & Increased Absorption - UK Made
Nutrition Geeks£5.664.6★8,989 rev
Iron Supplements for Women & Men - 28mg - 400 Tablets (6+ Months Supply) - Highly Bioavailable Ferrous Bisglycinate Form - Non-GMO & Vegan Iron Tablets High Strength - Gentle Formulation
WeightWorld£7.714.5★12,346 rev
Feroglobin Iron Supplement Capsules Support Iron Defficiency Anemia and Blood formation boost Energy Immunity and Vitality while reducing Fatigue and Tiredness
Feroglobin£3.204.6★10,844 rev
Iron Tablets Supplement Boosts Energy Vitality Power and Immunity and Supports Against Anemia Tiredness and Fatigue with Added Vitamin C Vitamin B12 and Folic Acid (Vitamin B9) Vitabiotics Ultra
Vitabiotics Ultra£2.654.6★5,350 rev
Iron Tablets High Strength 14mg - 365 Tablets 12 Months Supply - Vegan Iron Supplements for Women and Men - Ferrous Fumarate Reduces Tiredness and Fatigue - UK Made Vitamin
Nutrition Geeks£6.494.6★4,092 rev
Newest
by launch date
Gentle Iron Tablets - Iron Bisglycinate 28 mg 6 Months Supply - 360 High Strength Tablets - Supplement Suitable for Vegans - Best Immune System Booster for Women & Men - Made in UK
Incite Nutrition£6.95271 rev
Iron Tablets High Strength - Energy Tablets with Vitamin C B12 & Folic Acid - 120 Vegan Iron Supplements for Women and Men - 14mg - Enhanced Energy Support & Increased Absorption - UK Made
Nutrition Geeks£5.668,989 rev
Iron Tablets High Strength 14mg - 365 Tablets 12 Months Supply - Vegan Iron Supplements for Women and Men - Ferrous Fumarate Reduces Tiredness and Fatigue - UK Made Vitamin
Nutrition Geeks£6.494,092 rev
Iron Supplements for Women & Men - 28mg - 400 Tablets (6+ Months Supply) - Highly Bioavailable Ferrous Bisglycinate Form - Non-GMO & Vegan Iron Tablets High Strength - Gentle Formulation
WeightWorld£7.7112,346 rev
Gentle Iron Tablets Complex -Enriched with B12 & Vitamin C - Iron Supplements for Woman and Men - Ferrous Fumarate Energy Tablets Reduction in Tiredness and Fatigue (6 Months Supply) High Strength
NEW LEAF PRODUCTS£8.161,470 rev
Trending
90-day click momentum
Solgar Gentle Iron (Iron Bisglycinate) 20 mg Vegetable Capsules - Pack of 180 - Reduces Constipating Effects - Gentle on The Stomach - Vegan and Gluten Free
Solgar£14.234.6★
Gentle Iron Tablets - Iron Bisglycinate 28 mg 6 Months Supply - 360 High Strength Tablets - Supplement Suitable for Vegans - Best Immune System Booster for Women & Men - Made in UK
Incite Nutrition£6.954.4★
Spatone Natural Iron Supplement + Vitamin C (42 Sachets) Daily Convenient Liquid Iron Sachets Nothing Artificial Better Absorption than Tablets Less Side Effects Apple Flavour
Spatone£20.614.7★
Feroglobin Iron Supplement Capsules Support Iron Defficiency Anemia and Blood formation boost Energy Immunity and Vitality while reducing Fatigue and Tiredness
Feroglobin£3.204.6★
Iron Tablets High Strength - Energy Tablets with Vitamin C B12 & Folic Acid - 120 Vegan Iron Supplements for Women and Men - 14mg - Enhanced Energy Support & Increased Absorption - UK Made
Nutrition Geeks£5.664.6★
What buyers say about iron supplements
What buyers praise and complain about, mined from review topics.What buyers love
“Effective iron supplement”
“Quality item, clear instructions and easy to swallow”
“Reasonably priced”
“Not hard to swallow”
“Improves energy”
“Just as advertised”
“Easy to use”
“No stomach issues though”
“Vitamins”
“Very effective and causes no constipation”
What buyers complain about
“had low iron”
“Not very tasty”
“Upset stomach”
“Not accurate dosage”
“digestive system really suffered”
“They are tiny”
“Overpriced”
“am unable to open it”
“it looks illegal”
“I didn't have the energy”
Top return reasons
Common questions
- Is iron supplements profitable to sell on Amazon United Kingdom?
- The niche generates £751K/yr across 9 tracked products. 90-day search growth is -12.2%. Flapen's verdict: Skip it (43/100).
- How competitive is the iron supplements niche?
- 8 brands and 45 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in iron supplements?
- Top complaints mined from reviews: Iron, Taste-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
- When does demand for iron supplements peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the iron supplements niche?
- Listings span £2.65–£20.61; the average listing price is £8.41 (sweet spot $15–$100). The average incumbent carries 6,623 reviews — the moat a new listing must climb.