Iron Bisglycinate
Launch itA $2.6M/yr market growing +28.5% this quarter with returns at 0.0% — clears our launch bar.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible15.0%search→purchase rate — share of searches ending in a sale
Market size
Incredible$2.6M$2.6M/yr · 1.0M searches
Avg price
Great$17.10avg listing price — sweet spot $15–$100
Price range
Good$9.97–$25.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+28.5%90-day search growth — must beat 0% to launch
Review moat
Okay2,538avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Brand share
Bad91%top-5 brand share — brand-locked demand
Competition
Bad88%top-5 click share — a locked-up shelf
Is iron bisglycinate profitable on Amazon?
According to Flapen's Amazon United States niche tracking, iron bisglycinate is a $2.6M/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Launch it — 58/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
iron bisglycinate market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 150K–200K
- avg 15,000–20,000/product
- Revenue / yr
- $2.6M–$3.4M
- units × avg price
- Conversion rate
- 15.0%
- Avg BSR
- #66
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 73 months
- Avg seller age
- 155 days
Competition: brands, sellers & click share
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 rising
Sellers
15
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
88%
Top 20: 100%
Open market
6%
- THORNE72%
- Bronson8%
- Igennus Healthcare Nutrition4%
- NAKED3%
- Pure Encapsulations3%
- Nutricost3%
- Open — no brand owns it (2 brands, 6%)
iron bisglycinate demand & seasonality
Weekly Amazon search volume, last 99 weeks — +28.5% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 2.9×
Top iron bisglycinate search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- iron bisglycinate393K/yr
- thorne iron bisglycinate224K/yr
- ferrous bisglycinate118K/yr
- iron bisglycinate with vitamin c103K/yr
- iron glycinate35K/yr
- ferrous bisglycinate with vitamin c23K/yr
- bisglicinato de hierro15K/yr
- thorne iron bisglycinate 25 mg16K/yr
- iron thorne13K/yr
- throne iron bisglycinate10K/yr
Top iron bisglycinate 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 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings
THORNE$15.644.7★8,578 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
Bronson Iron Bisglycinate 25 mg Gentle on The Stomach Supports Energy & Healthy Red Blood Cell Production - Non-Constipating Formula - Non GMO 90 Vegetarian Capsules
Bronson$9.974.6★1,387 rev
Igennus Clean Iron Bisglycinate 20mg with Vitamin C 180 Tablets
Igennus Healthcare Nutrition$17.384.6★1,648 rev
Naked Iron 65mg 325mg Ferrous Bisglycinate - High Potency Iron Supplement for Iron Deficiency Cellular Energy Support Promotes Healthy Red Blood Cell Production Non-GMO Gluten-Free 60 Capsules
NAKED$13.014.5★821 rev
Newest
by launch date
Micro Ingredients Ferrous Iron Bisglycinate 65 mg 240 Softgels | Chelated Iron Supplement for Women & Men | Supports Red Blood Cell Production* | with Vitamin C & Black Seed Oil | Non-GMO
Micro Ingredients$19.3052 rev
Naked Iron 65mg 325mg Ferrous Bisglycinate - High Potency Iron Supplement for Iron Deficiency Cellular Energy Support Promotes Healthy Red Blood Cell Production Non-GMO Gluten-Free 60 Capsules
NAKED$13.01821 rev
Bronson Iron Bisglycinate 25 mg Gentle on The Stomach Supports Energy & Healthy Red Blood Cell Production - Non-Constipating Formula - Non GMO 90 Vegetarian Capsules
Bronson$9.971,387 rev
Nutricost Iron Bisglycinate Supplement (25mg) 240 Capsules Gentle Iron
Nutricost$15.59288 rev
Igennus Clean Iron Bisglycinate 20mg with Vitamin C 180 Tablets
Igennus Healthcare Nutrition$17.381,648 rev
Trending
90-day click momentumMicro Ingredients Ferrous Iron Bisglycinate 65 mg 240 Softgels | Chelated Iron Supplement for Women & Men | Supports Red Blood Cell Production* | with Vitamin C & Black Seed Oil | Non-GMO
Micro Ingredients$19.304.8★
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★
Nutricost Iron Bisglycinate Supplement (25mg) 240 Capsules Gentle Iron
Nutricost$15.594.7★
Igennus Clean Iron Bisglycinate 20mg with Vitamin C 180 Tablets
Igennus Healthcare Nutrition$17.384.6★
THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings
THORNE$15.644.7★
What reviews say buyers love and hate about iron bisglycinate
What buyers praise and complain about, mined from review topics.What buyers love
“Effective iron supplement”
“The quality feels very clean”
“Great for sensitive stomachs”
“Easy to digest”
“A good vitamin—easy to take”
“Easy to Swallow”
“No side effects”
“Helped with energy”
“As described”
“it seems to be doing good”
What buyers complain about
“My Iron was low”
“Severe discomfort, bloating and constipation”
“Beware of SIDE EFFECTS”
“These arent perfect on stomach”
“Not sure if I want to take these”
“very slight aftertaste”
“These pills are very large”
“this brand is just too expensive”
“I couldn't function”
“Hurt really bad”
Top return reasons
Common iron bisglycinate questions
- Is iron bisglycinate profitable to sell on Amazon United States?
- The niche generates $2.6M/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +28.5%. Flapen's verdict: Launch it (58/100).
- How competitive is the iron bisglycinate niche?
- 8 brands and 15 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in iron bisglycinate?
- Top complaints mined from reviews: Iron, Acid Regulator/Stomach Ache Relief, Side Effects. The return rate is 0.0%.
- When does demand for iron bisglycinate peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 2.9× the quietest.
- What does it cost to enter the iron bisglycinate niche?
- Listings span $9.97–$25.51; the average listing price is $17.10 (sweet spot $15–$100). The average incumbent carries 2,538 reviews — the moat a new listing must climb.