---
title: "Zinc Sulfate 220 Mg — $47K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/zinc-sulfate-220-mg"
last_updated: "2026-08-09T13:21:29.830Z"
locale: en
meta:
description: "Niche score 35/100 · $47K/yr market · 18K searches/yr · $11.34 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $47K/yr market · 18K searches/yr · $11.34 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Zinc Sulfate 220 Mg — $47K/yr Amazon US Niche (2026) - Flapen"
---
# **zinc sulfate 220 mg**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 12Growth 33Conversion 100Competition 10Returns 100Price range 26Avg price 45Brand share 7Review moat 12Quality gap 21
**Conversion**
**Incredible****23.2%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Okay****$11.34**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+6.5%**
90-day search growth — must beat 0% to launch
**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
**Market size**
**Bad****$47K**
$47K/yr · 18K searches
**Review moat**
**Bad****28,782.25**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, zinc sulfate 220 mg is a $47K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 35/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **zinc sulfate 220 mg market data**
- **Units sold / yr**
- **3K–4K**
- avg 500–750/product
- **Revenue / yr**
- **$34K–$45K**
- units × avg price
- **Conversion rate**
- **23.2%**
- **Avg BSR**
- **#151**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **111 months**
- **Avg seller age**
- **182 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**0%**
- P Puregen Labs61% - RUGBY LABORATORIES16% - WELMATE9% - Best Naturals6% - Nutricost4% - Nature's Bounty3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 95 weeks — +6.5% search growth over the last 90 days.
600400Spike '24Black Friday '24Holiday '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/zinc-sulfate-220-mg/trend)
## **Top zinc sulfate 220 mg 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%$7K30%$14K45%$21K60%$28K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 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)**RUGBY LABORATORIES**$7.24**4.7★2,041 rev](https://www.amazon.com/dp/B087RSQ565) [3**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★51 rev](https://www.amazon.com/dp/B0DRW7Y7FY) [4**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**WELMATE**$13.94**4.6★2,137 rev](https://www.amazon.com/dp/B09HWHZ8S2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nutricost Zinc Sulfate (50mg) 120 Tablets - Vegan GMO-Free Gluten-Free**Nutricost**$9.39**28 rev2mo ago](https://www.amazon.com/dp/B0GXLGPKSM) [**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**WELMATE**$13.94**2,137 rev4y ago](https://www.amazon.com/dp/B09HWHZ8S2) [**Natures Bounty Zinc 50mg Immune Support & Antioxidant Supplement Promotes Skin Health 1 Caplet Per Day Gluten Free 250 Vegetarian Caplets**Nature's Bounty**$8.54**215,458 rev5y ago](https://www.amazon.com/dp/B08YLTCDTN) [![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)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nutricost Zinc Sulfate (50mg) 120 Tablets - Vegan GMO-Free Gluten-Free**Nutricost**$9.39**4.5★**▲ 264%**](https://www.amazon.com/dp/B0GXLGPKSM) [**Puregen Labs Zinc Sulfate 220 mg Dietary Supplement Tablets - 100 Count (Pack of 2)**P Puregen Labs**$17.72**4.7★**▲ 30%**](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**Best Naturals**$12.88**4.8★**▲ 21%**](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**WELMATE**$13.94**4.6★**— 7%**](https://www.amazon.com/dp/B09HWHZ8S2) [**Natures Bounty Zinc 50mg Immune Support & Antioxidant Supplement Promotes Skin Health 1 Caplet Per Day Gluten Free 250 Vegetarian Caplets**Nature's Bounty**$8.54**4.7★**— 3%**](https://www.amazon.com/dp/B08YLTCDTN)
**~~View all trending →~~**
## **What buyers say about zinc sulfate 220 mg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“the quality has been consistent”*
**Value For Money**9%
*“A very good value”*
**Dosage**7%
*“Dosage is clearly stated on the label”*
**Nutritional Content**6%
*“are known to be a good source for supplements”*
**Ease Of Chewing/Swallowing**5%
*“easy to swallow”*
**Vitamin**5%
*“are known to be a good source for supplements”*
**Advertised Vs Actual Product**5%
*“This company uses third party testing so I know the product is pure and as advertised”*
**Minerals**5%
*“Zinc is good to take”*
**Ease Of Use**5%
*“Easy to take”*
**Immunity Booster**5%
*“The most common effect for me is my immune system”*
### **What buyers complain about **
**Side Effects**13%
*“Long-term overuse can lead to side effects like copper depletion or stomach issues”*
**Size-Overall**12%
*“The item is much smaller than it looks in the picture”*
**Acid Regulator/Stomach Ache Relief**7%
*“Horrible stomach pain”*
**Dosage**6%
*“That said, 50 mg is a hefty dose”*
**Certifications**6%
*“Limited Certification: While they use independent labs, Nutricost rarely submits their products for rigorous, publicly certified seals. like USP or NSF Certified for Sport”*
**Vitamin**3%
*“Theres not many supplements 3rd party tested”*
**Quality-Overall**3%
*“poor quality”*
**Cold Relief**3%
*“I bought due to having a bad cold”*
**Regulates Digestion**2%
*“It can also cause serious digestive issues and vomiting”*
**Iron**2%
*“Too much zinc will prevent your digestive system from absorbing copper from the foods you eat”*
## **Common questions**
- **Is zinc sulfate 220 mg profitable to sell on Amazon United States?**
- The niche generates $47K/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.5%. Flapen's verdict: Skip it (35/100).
- **How competitive is the zinc sulfate 220 mg niche?**
- 6 brands and 27 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in zinc sulfate 220 mg?**
- Top complaints mined from reviews: Side Effects, Size-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
- **When does demand for zinc sulfate 220 mg peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the zinc sulfate 220 mg niche?**
- Listings span $7.24–$17.72; the average listing price is $11.34 (sweet spot $15–$100). The average incumbent carries 28,782 reviews — the moat a new listing must climb.
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