---
title: "Vitamin C and Zinc — $420K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-c-and-zinc"
last_updated: "2026-08-06T21:07:06.348Z"
locale: en
meta:
description: "Niche score 50/100 · $420K/yr market · 372K searches/yr · $14.66 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $420K/yr market · 372K searches/yr · $14.66 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Vitamin C and Zinc — $420K/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin c and zinc**
**Worth a look**
Shows low returns (0.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Market size 56Growth 19Conversion 78Competition 39Returns 100Price range 58Avg price 72Brand share 55Review moat 23Quality gap 18
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$14.66**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$4.80–$29.28**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$420K**
$420K/yr · 372K searches
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****62%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****8,016.53**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-12.9%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, vitamin c and zinc is a $420K/yr Amazon United States market (372K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin c and zinc market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$440K–$586K**
- units × avg price
- **Conversion rate**
- **7.7%**
- **Avg BSR**
- **#153**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **63%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **—flat
**Sellers**
**108**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**62%**
Top 20: 100%
**Open market**
**20%**
- Nature's Bounty20% - NOW Foods16% - Nutricost13% - Nature Made12% - Viva Naturals11% - Carlyle8%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -12.9% search growth over the last 90 days.
12K8KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-c-and-zinc/trend)
## **Top vitamin c and zinc search terms**
- **vitamin c and zinc**98K/yr-26.1%7.9% conv. - **vitamin c with zinc**66K/yr-8.3%8.1% conv. - **vitamin c zinc**41K/yr-11.0%7.3% conv. - **zinc and vitamin c**40K/yr-19.4%6.3% conv. - **zinc vitamin c**32K/yr-8.7%6.2% conv. - **zinc with vitamin c**15K/yr+3.7%3.5% conv. - **vitamin c and zinc supplement**10K/yr-9.3%8.4% conv. - **zinc c**5K/yr+76.0%1.2% conv. - **c zinc**5K/yr+59.4%0.9% conv. - **c and zinc**5K/yr+77.0%1.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/vitamin-c-and-zinc/search-terms)
## **Top vitamin c and zinc 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%10%$42K20%$84K30%$126K40%$168K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Natures Bounty Vitamin C + Zinc Vitamin Supplement Supports Immune Health 60 mg 60 Tablets**Nature's Bounty**$7.77**4.7★7,591 rev](https://www.amazon.com/dp/B00V4CSJMY) [2**Nutricost Vitamin C with Zinc Capsules 120 Servings Gluten Free GMO-Free**Nutricost**$14.76**4.8★1,764 rev](https://www.amazon.com/dp/B08DWGTT56) [3**Nature Made Super C Tablets with Vitamin D3 and Zinc 60 Tablets**Nature Made**$12.50**4.8★8,734 rev](https://www.amazon.com/dp/B07Q3SWL3X) [4**NOW Foods Supplements C-1000 & Zinc Immune Seasonal Support Formula* Antioxidant Protection* 180 Veg Capsules**NOW Foods**$15.59**4.8★1,047 rev](https://www.amazon.com/dp/B0934ZC7K8) [5**Carlyle Vitamin C with Zinc | 250 Softgels | Bioavailable | Ascorbic Acid**Carlyle**$10.00**4.7★977 rev](https://www.amazon.com/dp/B095SXXXS6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BulkSupplements.com Vitamin C with Zinc Capsules - Vitamin C 1000mg & Zinc 15mg for Immune Support - Vegan 2 Capsules per Serving 360 Veg Count (Pack of 1)**BulkSupplements**$19.34**210 rev2y ago](https://www.amazon.com/dp/B0BSGBFVWQ) [**Now Supplements C-1000 Zinc & D-3 Seasonal Immune Support* 100 Veg Capsules**NOW Foods**$10.79**605 rev3y ago](https://www.amazon.com/dp/B0BV8887DB) [**Zicam Daily Immune Support Gummy Supplement Citrus Strawberry 70 Count**Zicam**$11.19**1,513 rev4y ago](https://www.amazon.com/dp/B06XRZSPN4) [**Q Defend Quercetin Supplement with Zinc Vitamin C Vitamin D Elderberry Turmeric Black Pepper Garlic Ginger Sea Moss Lysine Stinging Nettle Reishi Mushroom Immune Support 60 Capsules**Clean Nutraceuticals**$27.82**7,438 rev4y ago](https://www.amazon.com/dp/B09GWCQGD6) [**Viva Naturals Vitamin C and Zinc Supplements 1000mg - Zinc 20mg (250 Veggie Capsules) - High-Potency & Vitamin C with Zinc for Immune Support - Non-GMO Gluten Free (8 Months Supply)**Viva Naturals**$25.12**2,585 rev4y ago](https://www.amazon.com/dp/B09GCW1GWY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BulkSupplements.com Vitamin C with Zinc Capsules - Vitamin C 1000mg & Zinc 15mg for Immune Support - Vegan 2 Capsules per Serving 360 Veg Count (Pack of 1)**BulkSupplements**$19.34**4.6★**▲ 81%**](https://www.amazon.com/dp/B0BSGBFVWQ) [**Airborne Citrus Chewable Tablets 116ct | Immune Support Supplement with 1000mg Vitamin C + Vitamins A D E Zinc Selenium & Manganese | Herbal Blend | Gluten Free**Airborne**$18.44**4.7★**▲ 49%**](https://www.amazon.com/dp/B0096YTCFK) [**NOW Foods Supplements C-1000 & Zinc Immune Seasonal Support Formula* Antioxidant Protection* 90 Veg Capsules**NOW Foods**$8.65**4.8★**▲ 44%**](https://www.amazon.com/dp/B0934R3NDP) [**Nutricost Vitamin C with Zinc Capsules 120 Servings Gluten Free GMO-Free**Nutricost**$14.76**4.8★**▲ 17%**](https://www.amazon.com/dp/B08DWGTT56) [**Natures Way Zinc Lozenges with Vitamin C & Echinacea Wild Berry 60 ct**Nature's Way**$4.80**4.6★**▲ 13%**](https://www.amazon.com/dp/B00024D3SK)
**~~View all trending →~~**
## **What buyers say about vitamin c and zinc**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Great buy from a trusted company”*
**Vitamin**15%
*“Good tasting vitamin”*
**Immunity Booster**11%
*“Good immune support”*
**Taste-Overall**9%
*“Great taste”*
**Cold Relief**7%
*“No more colds”*
**Value For Money**5%
*“Value for your money”*
**Advertised Vs Actual Product**3%
*“As described”*
**Ease Of Chewing/Swallowing**3%
*“these are chewables”*
**Efficiency**3%
*“My system is better using this”*
**Ease Of Use**2%
*“Ease of use”*
### **What buyers complain about **
**Vitamin**7%
*“Not enough Vitamin C for me”*
**Dosage**7%
*“he has a hard taking pills”*
**Side Effects**7%
*“Side effects”*
**Taste-Overall**6%
*“Lingering unpleasant taste”*
**Value For Money**6%
*“Not worth it”*
**Artificial Sweeteners**4%
*“Didn't realize this product was made with artificial sweeteners, very sweet and sugary tasting”*
**Ease Of Chewing/Swallowing**3%
*“chewy”*
**Quality-Overall**3%
*“Since their Quality Control seems to be lacking”*
**Size-Overall**3%
*“The capsules are too large”*
**Acid Regulator/Stomach Ache Relief**2%
*“Stomachache”*
### **Top return reasons **
**Vitamin**20%
**Color**20%
**Dosage**20%
**Acid Regulator/Stomach Ache Relief**10%
**Size-Overall**10%
**Joint Pain**10%
**Sour**10%
## **Common questions**
- **Is vitamin c and zinc profitable to sell on Amazon United States?**
- The niche generates $420K/yr across 19 tracked products. 90-day search growth is -12.9%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the vitamin c and zinc niche?**
- 16 brands and 108 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in vitamin c and zinc?**
- Top complaints mined from reviews: Vitamin, Dosage, Side Effects. The return rate is 0.0%.
- **When does demand for vitamin c and zinc peak?**
- Demand peaks in Jan–Feb; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the vitamin c and zinc niche?**
- Listings span $4.80–$29.28; the average listing price is $14.66 (sweet spot $15–$100). The average incumbent carries 8,017 reviews — the moat a new listing must climb.
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