Is iodine drops profitable to sell on Amazon United States?

The niche generates $375K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -27.4%. Flapen's verdict: Skip it (49/100).

How competitive is the iodine drops niche?

13 brands and 542 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 78% of demand.

What do buyers complain about in iodine drops?

Top complaints mined from reviews: Taste-Overall, Dosage, Dilute/Watery. The return rate is 0.0%.

When does demand for iodine drops peak?

Demand peaks in Oct; the busiest month runs 1.6× the quietest.

What does it cost to enter the iodine drops niche?

Listings span $7.14–$77.77; the average listing price is $19.48 (sweet spot $15–$100). The average incumbent carries 3,997 reviews — the moat a new listing must climb.

Iodine Drops

Skip it

Soft demand (-27.4% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$19.48

avg listing price — sweet spot $15–$100

Price range

Great$7.14–$77.77

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Great9.1%

search→purchase rate — share of searches ending in a sale

Market size

Good$375K

$375K/yr · 212K searches

Brand share

Okay78%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay3,996.87

avg incumbent reviews — the moat a new listing must climb

Competition

Bad78%

top-5 click share — a locked-up shelf

Growth

Bad-27.4%

90-day search growth — must beat 0% to launch

Is iodine drops profitable on Amazon?

According to Flapen's Amazon United States niche tracking, iodine drops is a $375K/yr Amazon United States market (212K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Oct. Verdict: Skip it — 49/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

iodine drops market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 20K–25K; avg 1,500–2,000/product
Revenue / yr: $390K–$487K; units × avg price
Conversion rate: 9.1%
Avg BSR: #97
Page quality: 0%
Prime: 100%
Sponsored: 73%
Out of stock: 0.0%
Avg brand age: 80 months
Avg seller age: 158 days

Competition: brands, sellers & click share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

13 rising

Sellers

542

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

17%

Earth Harmony Naturals28%
MARYRUTH'S20%
J. CROW'S16%
LIQUIDHEALTH9%
365 by Whole Foods Market6%
Horbäach5%
Open — no brand owns it (7 brands, 17%)

iodine drops demand & seasonality

Weekly Amazon search volume, last 104 weeks — -27.4% search growth over the last 90 days.

Peak months: Oct · busiest ÷ quietest = 1.6×

Open Trend

Top iodine drops search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

iodine drops100K/yr -30.8%9.2% conv.
liquid iodine21K/yr -12.7%5.4% conv.
organic iodine14K/yr -20.9%7.0% conv.
liquid iodine drops14K/yr -4.9%8.3% conv.
iodine supplement liquid8K/yr +0.3%8.1% conv.
food grade iodine5K/yr +6.7%5.7% conv.
iodine liquid supplement7K/yr -40.8%6.5% conv.
organic iodine drops6K/yr -44.6%11.5% conv.
iodine drops supplement5K/yr -21.7%13.1% conv.
perfect iodine5K/yr -55.5%2.8% conv.

All search terms

Top iodine drops 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Organic Lugols Iodine Liquid Drops Supplement - 2% Thyroid Non-GMO 2 Oz

Earth Harmony Naturals$17.014.7★5,102 rev

MARYRUTH'S$18.374.6★14,378 rev

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$17.034.6★17,302 rev

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$13.634.6★1,118 rev

365 by Whole Foods Market Liquid Iodine with Kelp 2 OZ

365 by Whole Foods Market$7.144.6★148 rev

Newest

by launch date

Iodine Liquid Drops Potassium Iodide - 1 Year Supply Pure Clear Organic Iodine Drops Supplement Plus Thyroid Support - Organic Potassium Iodide Liquid Supplement Tincture Thyroid Supplements 1 Fl Oz

DR. BO$10.05218 rev

7mo ago

Horbach Nascent Iodine | 325mcg | 4oz | Organic Liquid Supplement

Horbäach$9.53294 rev

3y ago

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$13.631,118 rev

3y ago

Carlyle Organic Nascent Iodine Liquid Drops | 2 fl oz | Vegan Supplement

Carlyle$9.161,120 rev

4y ago

Organic Lugols Iodine Liquid Drops Supplement - 2% Thyroid Non-GMO 2 Oz

Earth Harmony Naturals$17.015,102 rev

5y ago

What reviews say buyers love and hate about iodine drops

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall18%

“Outstanding product for Men”

Taste-Overall8%

“Nice taste”

Advertised Vs Actual Product8%

“Better than expected”

Value For Money5%

“affordable”

Ease Of Use5%

“Easy to use”

Energy Level4%

“excellent energy levels”

Efficiency4%

“Works well”

Ingredients-Overall4%

“made with quality ingredients”

Hormonal Balance3%

“I use it to prevent thyroid issues”

Dosage3%

“The dropper makes it easy to get a precise amount every time”

What buyers complain about

Taste-Overall18%

“Horrible taste”

Dosage6%

“Dosing Lugols iodine can be rather tricky”

Dilute/Watery6%

“Watered down”

Functionality-Overall4%

“did not work”

Ingredients-Overall4%

“Unsure of ingredients”

Value For Money3%

“A bit pricey”

Color3%

“the color is darkening”

Instructions/User Manual/Troubleshooting3%

“NO INSTRUCTIONS ON BOTTLE”

Salt Content2%

“Or maybe you dont use salt at all”

Sweetness2%

“But this formulation contains SUGAR as glycerin”

Top return reasons

Leak-Proof25%

Functionality-Overall13%

Moist/Dry13%

Sinus Relief13%

Pain Relief-Overall13%

Taste-Overall13%

Oily/Greasy13%

Common iodine drops questions

Is iodine drops profitable to sell on Amazon United States?: The niche generates $375K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -27.4%. Flapen's verdict: Skip it (49/100).
How competitive is the iodine drops niche?: 13 brands and 542 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in iodine drops?: Top complaints mined from reviews: Taste-Overall, Dosage, Dilute/Watery. The return rate is 0.0%.
When does demand for iodine drops peak?: Demand peaks in Oct; the busiest month runs 1.6× the quietest.
What does it cost to enter the iodine drops niche?: Listings span $7.14–$77.77; the average listing price is $19.48 (sweet spot $15–$100). The average incumbent carries 3,997 reviews — the moat a new listing must climb.