thyrosafe
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$40.53avg listing price — sweet spot $15–$100
Price range
Great$11.60–$104.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,641.25avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-20.9%90-day search growth — must beat 0% to launch
Competition
Bad90%top-5 click share — a locked-up shelf
Market size
Bad$17K$17K/yr · 25K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, thyrosafe is a $17K/yr Amazon United States market (25K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Skip it — 30/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
thyrosafe market data
- Units sold / yr
- 2K–2K
- avg 250–500/product
- Revenue / yr
- $61K–$81K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #222
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 82 months
- Avg seller age
- 189 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
6
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- THYROSAFE90%
- ThyroShield4%
- Nature's Fusions3%
- MIRA Safety3%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 57 weeks — -20.9% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 21.6×
Top thyrosafe 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ThyroSafe 65mg Potassium Iodide Tablets (20 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$22.534.7★2,135 rev
ThyroSafe Potassium Iodide 130mg Tablets (KI Pills) - Iodine for Radiation Emergency Protection | Nuclear Fallout Survival Gear and Emergency Supplies for Prepper Kits | 20 Count
THYROSAFE$28.894.6★92 rev
ThyroSafe 65mg Potassium Iodide Tablets (40 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$38.964.7★2,135 rev
ThyroSafe 65mg Potassium Iodide Tablets (60 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$57.674.7★2,135 rev
ThyroSafe 65mg Potassium Iodide Tablets (120 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$104.944.7★2,135 rev
Newest
by launch dateThyroSafe Potassium Iodide 130mg Tablets (KI Pills) - Iodine for Radiation Emergency Protection | Nuclear Fallout Survival Gear and Emergency Supplies for Prepper Kits | 20 Count
THYROSAFE$28.8992 rev
Potassium Iodide Tablets (60 Count)
MIRA Safety$11.60212 rev
ThyroSafe 65mg Potassium Iodide Tablets (40 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$38.962,135 rev
ThyroSafe 65mg Potassium Iodide Tablets (60 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$57.672,135 rev
ThyroSafe 65mg Potassium Iodide Tablets (120 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$104.942,135 rev
Trending
90-day click momentumThyroSafe 65mg Potassium Iodide Tablets (120 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$104.944.7★
Potassium Iodide Tablets 130 mg | 300ct Iodine Tablets for Radiation Exposure - Potassium Iodine Pills - YODO Naciente - KI Pills - Made in USA - ThyroShield
ThyroShield$36.954.5★
ThyroSafe Potassium Iodide 130mg Tablets (KI Pills) - Iodine for Radiation Emergency Protection | Nuclear Fallout Survival Gear and Emergency Supplies for Prepper Kits | 20 Count
THYROSAFE$28.894.6★
Potassium Iodide Tablets (60 Count)
MIRA Safety$11.604.7★
ThyroSafe 65mg Potassium Iodide Tablets (20 Pack) - Protects Your Thyroid from Nuclear Radiation Exposure
THYROSAFE$22.534.7★
What buyers say about thyrosafe
What buyers praise and complain about, mined from review topics.What buyers love
“It is what was advertised”
“Compared to similar preparedness products out there, this feels like a solid value for the quality and shelf life”
“is priced competitively”
“are easy to split for pediatric dosing if necessary”
“The packaging feels durable”
“Fresh”
“Theyre from a company that offers a decent range of protective gear”
“which makes them more practical for different situations”
“it fits that purpose well”
“Keep your thyroid happy”
What buyers complain about
“Do not buy some supplement brand that says it's potassium iodide”
“Bottle seems old”
“Leg cramps”
“Inaccurate dosage on bottle”
“doesn't protect any other part of your body”
“the pills are tiny”
“Dangerous false advertising”
“not a daily supplement”
“not a daily supplement”
Common questions
- Is thyrosafe profitable to sell on Amazon United States?
- The niche generates $17K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -20.9%. Flapen's verdict: Skip it (30/100).
- How competitive is the thyrosafe niche?
- 4 brands and 6 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in thyrosafe?
- Top complaints mined from reviews: Calcium, Stale/Rotten/Spoiled, Muscle Pain Relief. The return rate is 0.0%.
- When does demand for thyrosafe peak?
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 21.6× the quietest.
- What does it cost to enter the thyrosafe niche?
- Listings span $11.60–$104.94; the average listing price is $40.53 (sweet spot $15–$100). The average incumbent carries 1,641 reviews — the moat a new listing must climb.