---
title: "Zinc Sulfate 220 Mg Tablets — $21K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/zinc-sulfate-220-mg-tablets"
last_updated: "2026-08-09T12:17:47.312Z"
locale: en
meta:
  description: "Niche score 32/100 · $21K/yr market · 7K searches/yr · $12.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 32/100 · $21K/yr market · 7K searches/yr · $12.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Zinc Sulfate 220 Mg Tablets — $21K/yr Amazon US Niche (2026) - Flapen"
---

# **zinc sulfate 220 mg tablets**

**Skip it**

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 5Growth 19Conversion 100Competition 0Returns 100Price range 26Avg price 51Brand share 0Review moat 40Quality gap 20

**Conversion**

**Incredible****23.6%**

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

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Good****$12.13**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****2,462**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****$7.24–$17.72**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-11.5%**

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

**Market size**

**Bad****$21K**

$21K/yr · 7K searches

**Competition**

**Bad****100%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, zinc sulfate 220 mg tablets is a $21K/yr Amazon United States market (7K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 32/100.

Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **zinc sulfate 220 mg tablets market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$18K–$24K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**23.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#148**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**127 months**</dd>

<dt>**Avg seller age**</dt><dd>**176 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**4 **—flat

**Sellers**

**11**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**100%**

Top 20: 100%

**Open market**

**0%**

- P Puregen Labs64% - RUGBY LABORATORIES19% - WELMATE13% - Best Naturals5%

## **Demand & seasonality**

Weekly Amazon search volume, last 100 weeks — -11.5% search growth over the last 90 days.

350250Spike '24Spike '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

[**Open Trend **](https://flapen.com/research/us/health-household/zinc-sulfate-220-mg-tablets/trend)

## **Top zinc sulfate 220 mg tablets search terms**

- **zinc 220mg**4K/yr-13.7%18.8% conv. - **zinc 220 mg capsules**1K/yr-2.4%17.7% conv. - **zinc sulfate 220 mg capsules**1K/yr-17.4%16.6% conv. - **zinc sulfate 220 mg tablets**664/yr-5.8%9.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/zinc-sulfate-220-mg-tablets/search-terms)

## **Top zinc sulfate 220 mg tablets 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.

0%15%$3K30%$6K45%$9K60%$12K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 6 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Zinc 220mg [High Potency] Supplement Zinc Sulfate for Immune Support System 100 Tablets](https://m.media-amazon.com/images/I/31XBid6OqoL.jpg)**Zinc 220mg \[High Potency\] Supplement Zinc Sulfate for Immune Support System 100 Tablets**P Puregen Labs**$9.93**4.7★4,203 rev](https://www.amazon.com/dp/B08P7TM22H) [2![Rugby Zinc Sulfate 220 mg Tablets - Made with Zinc Sulfate Heptahydrate - Dietary Supplement - 100 Count (1 Pack)](https://m.media-amazon.com/images/I/41vU923m6gL.jpg)**Rugby Zinc Sulfate 220 mg Tablets - Made with Zinc Sulfate Heptahydrate - Dietary Supplement - 100 Count (1 Pack)**RUGBY LABORATORIES**$7.24**4.7★2,041 rev](https://www.amazon.com/dp/B087RSQ565) [3![Zinc Sulfate 220 mg 100 Count Capsules](https://m.media-amazon.com/images/I/41N0X5xR+FL.jpg)**Zinc Sulfate 220 mg 100 Count Capsules**WELMATE**$11.07**4.6★2,137 rev](https://www.amazon.com/dp/B088C4J99S) [4![Puregen Labs Zinc Sulfate 220 mg Dietary Supplement Tablets - 100 Count (Pack of 2)](https://m.media-amazon.com/images/I/517tJ8d19hL.jpg)**Puregen Labs Zinc Sulfate 220 mg Dietary Supplement Tablets - 100 Count (Pack of 2)**P Puregen Labs**$17.72**4.7★4,203 rev](https://www.amazon.com/dp/B01AVKJBK8) [5![WELMATE Zinc Sulfate 220 mg (50 mg Elemental Zinc) High Potency Tablets 200 Count (200 Day Supply) - Immune Support Dietary Supplement for Men & Women - Skin & Hair Health - Vegetarian Gluten Free](https://m.media-amazon.com/images/I/418-sXw3BhL.jpg)**WELMATE Zinc Sulfate 220 mg (50 mg Elemental Zinc) High Potency Tablets 200 Count (200 Day Supply) - Immune Support Dietary Supplement for Men & Women - Skin & Hair Health - Vegetarian Gluten Free**WELMATE**$13.94**4.6★2,137 rev](https://www.amazon.com/dp/B09HWHZ8S2)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Best Naturals Zinc Sulfate 220 mg 120 Tablets - 3rd Party Lab Tested - Made in the USA - Gluten Free & Non-GMO](https://m.media-amazon.com/images/I/417kuYA-U7L.jpg)**Best Naturals Zinc Sulfate 220 mg 120 Tablets - 3rd Party Lab Tested - Made in the USA - Gluten Free & Non-GMO**Best Naturals**$12.88**51 rev1y ago](https://www.amazon.com/dp/B0DRW7Y7FY) [![WELMATE Zinc Sulfate 220 mg (50 mg Elemental Zinc) High Potency Tablets 200 Count (200 Day Supply) - Immune Support Dietary Supplement for Men & Women - Skin & Hair Health - Vegetarian Gluten Free](https://m.media-amazon.com/images/I/418-sXw3BhL.jpg)**WELMATE Zinc Sulfate 220 mg (50 mg Elemental Zinc) High Potency Tablets 200 Count (200 Day Supply) - Immune Support Dietary Supplement for Men & Women - Skin & Hair Health - Vegetarian Gluten Free**WELMATE**$13.94**2,137 rev4y ago](https://www.amazon.com/dp/B09HWHZ8S2) [![Zinc 220mg [High Potency] Supplement Zinc Sulfate for Immune Support System 100 Tablets](https://m.media-amazon.com/images/I/31XBid6OqoL.jpg)**Zinc 220mg \[High Potency\] Supplement Zinc Sulfate for Immune Support System 100 Tablets**P Puregen Labs**$9.93**4,203 rev5y ago](https://www.amazon.com/dp/B08P7TM22H) [![Zinc Sulfate 220 mg 100 Count Capsules](https://m.media-amazon.com/images/I/41N0X5xR+FL.jpg)**Zinc Sulfate 220 mg 100 Count Capsules**WELMATE**$11.07**2,137 rev6y ago](https://www.amazon.com/dp/B088C4J99S) [![Rugby Zinc Sulfate 220 mg Tablets - Made with Zinc Sulfate Heptahydrate - Dietary Supplement - 100 Count (1 Pack)](https://m.media-amazon.com/images/I/41vU923m6gL.jpg)**Rugby Zinc Sulfate 220 mg Tablets - Made with Zinc Sulfate Heptahydrate - Dietary Supplement - 100 Count (1 Pack)**RUGBY LABORATORIES**$7.24**2,041 rev6y ago](https://www.amazon.com/dp/B087RSQ565)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![WELMATE Zinc Sulfate 220 mg (50 mg Elemental Zinc) High Potency Tablets 200 Count (200 Day Supply) - Immune Support Dietary Supplement for Men & Women - Skin & Hair Health - Vegetarian Gluten Free](https://m.media-amazon.com/images/I/418-sXw3BhL.jpg)**WELMATE Zinc Sulfate 220 mg (50 mg Elemental Zinc) High Potency Tablets 200 Count (200 Day Supply) - Immune Support Dietary Supplement for Men & Women - Skin & Hair Health - Vegetarian Gluten Free**WELMATE**$13.94**4.6★**▲ 78%**](https://www.amazon.com/dp/B09HWHZ8S2) [![Puregen Labs Zinc Sulfate 220 mg Dietary Supplement Tablets - 100 Count (Pack of 2)](https://m.media-amazon.com/images/I/517tJ8d19hL.jpg)**Puregen Labs Zinc Sulfate 220 mg Dietary Supplement Tablets - 100 Count (Pack of 2)**P Puregen Labs**$17.72**4.7★**▲ 69%**](https://www.amazon.com/dp/B01AVKJBK8) [![Best Naturals Zinc Sulfate 220 mg 120 Tablets - 3rd Party Lab Tested - Made in the USA - Gluten Free & Non-GMO](https://m.media-amazon.com/images/I/417kuYA-U7L.jpg)**Best Naturals Zinc Sulfate 220 mg 120 Tablets - 3rd Party Lab Tested - Made in the USA - Gluten Free & Non-GMO**Best Naturals**$12.88**4.8★**▲ 47%**](https://www.amazon.com/dp/B0DRW7Y7FY) [![Zinc 220mg [High Potency] Supplement Zinc Sulfate for Immune Support System 100 Tablets](https://m.media-amazon.com/images/I/31XBid6OqoL.jpg)**Zinc 220mg \[High Potency\] Supplement Zinc Sulfate for Immune Support System 100 Tablets**P Puregen Labs**$9.93**4.7★**— 1%**](https://www.amazon.com/dp/B08P7TM22H) [![Rugby Zinc Sulfate 220 mg Tablets - Made with Zinc Sulfate Heptahydrate - Dietary Supplement - 100 Count (1 Pack)](https://m.media-amazon.com/images/I/41vU923m6gL.jpg)**Rugby Zinc Sulfate 220 mg Tablets - Made with Zinc Sulfate Heptahydrate - Dietary Supplement - 100 Count (1 Pack)**RUGBY LABORATORIES**$7.24**4.7★**▼ 13%**](https://www.amazon.com/dp/B087RSQ565)

**~~View all trending →~~**

## **What buyers say about zinc sulfate 220 mg tablets**

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

### **What buyers love **

**Quality-Overall**25%

*“Great product”*

**Gifting Purpose**13%

*“Gift”*

**Immunity Booster**13%

*“Zinc Helps with my immune system and fast”*

**Minerals**13%

*“Zinc is good to take”*

**Advertised Vs Actual Product**13%

*“It do the job”*

**Value For Money**13%

*“Great price on Zinc”*

### **What buyers complain about **

**Side Effects**26%

*“Long term use can cause serious medical problems”*

**Size-Overall**21%

*“The item is much smaller than it looks in the picture”*

**Cold Relief**7%

*“I bought due to having a bad cold”*

**Vitamin**7%

*“Theres not many supplements 3rd party tested”*

**Quality-Overall**7%

*“poor quality”*

**Acid Regulator/Stomach Ache Relief**7%

*“Stomach pain even with food”*

**Iron**5%

*“Too much zinc will prevent your digestive system from absorbing copper from the foods you eat”*

**Regulates Digestion**5%

*“It can also cause serious digestive issues and vomiting”*

## **Common questions**

<dl>

<dt>**Is zinc sulfate 220 mg tablets profitable to sell on Amazon United States?**</dt><dd>The niche generates $21K/yr across 6 tracked products. 90-day search growth is -11.5%. Flapen's verdict: Skip it (32/100).</dd>

<dt>**How competitive is the zinc sulfate 220 mg tablets niche?**</dt><dd>4 brands and 11 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in zinc sulfate 220 mg tablets?**</dt><dd>Top complaints mined from reviews: Side Effects, Size-Overall, Cold Relief. The return rate is 0.0%.</dd>

<dt>**When does demand for zinc sulfate 220 mg tablets peak?**</dt><dd>Demand peaks in Jan; the busiest month runs 1.8× the quietest.</dd>

<dt>**What does it cost to enter the zinc sulfate 220 mg tablets niche?**</dt><dd>Listings span $7.24–$17.72; the average listing price is $12.13 (sweet spot $15–$100). The average incumbent carries 2,462 reviews — the moat a new listing must climb.</dd>

</dl>

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