---
title: "Iodine — $238K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/iodine"
last_updated: "2026-08-12T13:23:03.223Z"
locale: en
meta:
description: "Amazon product research for iodine: $238K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for iodine: $238K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Iodine — $238K/mo Amazon US Product Research (2026)"
---
# **Iodine**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 96Growth 20Conversion 92Competition 59Returns 100Price range 68Avg price 75Brand share 80Review moat 25Quality gap 23
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$2.9M**
$2.9M/yr · 1.7M searches
**Conversion**
**Great****11.3%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Great****55%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****$15.08**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$4.10–$38.43**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****4,801.68**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-10.8%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
## **Is iodine profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, iodine is a $2.9M/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 64/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **iodine market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **150K–200K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **$2.3M–$3.0M**
- units × avg price
- **Conversion rate**
- **11.3%**
- **Avg BSR**
- **#234**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **87 months**
- **Avg seller age**
- **161 days**
## **Competition: brands, sellers & click share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**23 **▼falling
**Sellers**
**589**
**Top-5 brand share**
**55%**
Top 20: 97%
**Top-5 click share**
**50%**
Top 20: 92%
**Open market**
**40%**
- Amazon Basics17% - Earth Harmony Naturals12% - J. CROW'S9% - MARYRUTH'S8% - Pure Encapsulations8% - Life Extension5%
## **iodine demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.8% search growth over the last 90 days.
80K60KSpike '24Holiday '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/health-household/iodine/trend)
## **Top iodine search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **iodine**719K/yr-12.7%10.1% conv. - **iodine supplement**469K/yr-20.8%9.6% conv. - **iodine liquid**313K/yr+6.9%9.9% conv. - **yodo**77K/yr+1.5%3.8% conv. - **idione**25K/yr-11.5%3.0% conv. - **iodo**16K/yr-22.9%4.2% conv. - **iodine supplements**12K/yr-13.7%5.8% conv. - **iodine supplements for women**11K/yr-9.0%8.0% conv. - **lodine**7K/yr-3.8%4.3% conv. - **pure iodine**7K/yr-20.4%9.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/iodine/search-terms)
## **Top iodine 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.
0%4%$114K8%$228K12%$342K16%$456K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Organic Lugols Iodine Iodine and Potassium Iodide 2% Solution 3000 mcg - Liquid Supplement Drops for Thyroid Support for Women & Men Metabolism Health Detox Boost - Non-GMO 395 Servings (2 Oz)**Earth Harmony Naturals**$16.87**4.6★5,032 rev](https://www.amazon.com/dp/B09BBL53SG) [2**Amazon Basics First Aid Antiseptic 10% Povidone Iodine Solution for Wound Cleaner and Infection Protection Unflavored 8 fl oz 1-Pack (Previously Solimo)**Amazon Basics**$7.88**4.7★12,938 rev](https://www.amazon.com/dp/B09HHDSL3B) [3**J.CROWS Lugols Solution of Iodine 2% 2 oz (1 Bottle) Premium Iodine & Potassium Iodide Liquid Gluten & Alcohol-Free Natural Brine Extract No Expiration - 1200 Drops**J. CROW'S**$16.91**4.6★17,226 rev](https://www.amazon.com/dp/B07NWNVN12) [4**MaryRuth Organics Iodine Liquid Drops | Potassium Iodide | 1 Year Supply | 450 Servings | Thyroid Health | USDA Organic| Vegan | Non-GMO | Gluten Free | 1 Fl Oz**MARYRUTH'S**$18.31**4.6★14,338 rev](https://www.amazon.com/dp/B07P4M7RHZ) [5**Pure Encapsulations Iodine - Supplement to Support The Thyroid & Help Maintain Healthy Cellular Metabolism* - with Premium Potassium Iodide - 120 Capsules**Pure Encapsulations**$19.98**4.7★2,763 rev](https://www.amazon.com/dp/B003PQRPA4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**A+Health Povidone Iodine 10% First Aid Antiseptic 8 Fluid Ounces Topical Solution USP Helps Prevent Infection in Minor Cuts Scraps and Burns Wound Care Made in USA Wound Care**A+Health**$8.59**157 rev10mo ago](https://www.amazon.com/dp/B0F1DQWBW1) [**FrontLine Povidone Iodine Swabs 10% More Iodine Antiseptic Solution Cotton Swabsticks for Wound Care Nasal Cleansing First Aid & Medical Supplies Individually Wrapped Box of 50**FRONTLINE**$6.17**1,743 rev1y ago](https://www.amazon.com/dp/B0DB6LPRDW) [**LIQUIDHEALTH USDA Organic Nascent Iodine Liquid Drops Pure Iodine Supplement for Thyroid & Immune Support Energy Supplement - Made in USA Vegan Colorless Tasteless Tincture (2 oz)**LIQUIDHEALTH**$13.77**1,109 rev3y ago](https://www.amazon.com/dp/B0BZT3WBT5) [**Clean Nutra Selenium 300mcg Iodine 500mcg Thyroid Support for Women & Men | L Tyrosine 500mg Ashwagandha Supplement Bladderwrack Turmeric Kelp Schisandra Zinc Pills Capsule Supplements**Clean Nutraceuticals**$25.45**3,383 rev3y ago](https://www.amazon.com/dp/B0BT6C8NGW) [**Organic Iodine Supplement from Sea Vegetable Complex Whole Food & Raw Form - Iodine Plus Trace Mineral Complex Contains Purest Icelandic Sea Kelp Irish Moss & Bladderwrack (250 mcg)**Triquetra Health**$17.78**1,891 rev3y ago](https://www.amazon.com/dp/B0BGJR4HZN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Zazzee USDA Organic Kelp Iodine 30:1 Extract 300 mcg per Capsule 120 Vegan Capsules 4 Month Supply Ocean-Harvested Norwegian Kelp Standardized to 1% Iodine for Exact Dosage Thyroid Support**Zazzee**$19.32**4.7★**▲ 285%**](https://www.amazon.com/dp/B0GMKV9YTN) [**A+Health Povidone Iodine 10% First Aid Antiseptic 8 Fluid Ounces Topical Solution USP Helps Prevent Infection in Minor Cuts Scraps and Burns Wound Care Made in USA Wound Care**A+Health**$8.59**4.9★**▲ 155%**](https://www.amazon.com/dp/B0F1DQWBW1) [**Dynarex Povidone-Iodine Prep Solution Antiseptic Solution for Skin and Mucosa Ideal for Surgical Site Preparation Contains Povidone Iodine 10% 4 fl. oz. 1 Bottle**Dynarex**$5.63**4.7★**▲ 88%**](https://www.amazon.com/dp/B00859URLK) [**365 by Whole Foods Market Liquid Iodine with Kelp 2 OZ**365 by Whole Foods Market**$7.13**4.6★**▲ 71%**](https://www.amazon.com/dp/B074H77YRW) [**LIQUIDHEALTH USDA Organic Nascent Iodine Liquid Drops Pure Iodine Supplement for Thyroid & Immune Support Energy Supplement - Made in USA Vegan Colorless Tasteless Tincture (2 oz)**LIQUIDHEALTH**$13.77**4.6★**▲ 51%**](https://www.amazon.com/dp/B0BZT3WBT5)
**~~View all trending →~~**
## **What reviews say buyers love and hate about iodine**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“It is a quality capsule”*
**Advertised Vs Actual Product**8%
*“As advertised”*
**Value For Money**8%
*“Good price”*
**Ease Of Use**7%
*“Easy to Take”*
**Efficiency**6%
*“effective”*
**Hormonal Balance**4%
*“I use it to prevent thyroid issues”*
**Vitamin**4%
*“it helped me in the vitamin supplement”*
**Taste-Overall**3%
*“No weird taste or smell”*
**Energy Level**2%
*“seems to help me with energy”*
**Ingredients-Overall**2%
*“Simple, effective ingredients”*
### **What buyers complain about **
**Taste-Overall**9%
*“Gross taste”*
**Dosage**6%
*“Dosing Lugols iodine can be rather tricky”*
**Size-Overall**4%
*“Too small”*
**Ingredients-Overall**4%
*“So an undeclared ingredient”*
**Functionality-Overall**4%
*“This will not work correctly”*
**Value For Money**4%
*“A little expensive”*
**Side Effects**4%
*“heartburn got to me”*
**Color**3%
*“Its really dark in colour”*
**Quality-Overall**3%
*“There appears to be a lack of quality control”*
**Dilute/Watery**2%
*“Clear, probably diluted”*
### **Top return reasons **
**Functionality-Overall**24%
**Size-Overall**10%
**Advertised Vs Actual Product**10%
**Moist/Dry**9%
**Ease Of Use**7%
**Leak-Proof**5%
**Value For Money**4%
**Dispensing Mechanism**3%
**Dilute/Watery**3%
**Color**2%
## **Common iodine questions**
- **Is iodine profitable to sell on Amazon United States?**
- The niche generates $2.9M/yr across 28 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -10.8%. Flapen's verdict: Worth a look (64/100).
- **How competitive is the iodine niche?**
- 23 brands and 589 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 55% of demand.
- **What do buyers complain about in iodine?**
- Top complaints mined from reviews: Taste-Overall, Dosage, Size-Overall. The return rate is 0.1%.
- **When does demand for iodine peak?**
- Demand peaks in Oct–Nov; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the iodine niche?**
- Listings span $4.10–$38.43; the average listing price is $15.08 (sweet spot $15–$100). The average incumbent carries 4,802 reviews — the moat a new listing must climb.
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