---
title: "Vitamin D and Zinc — $86K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-d-and-zinc"
last_updated: "2026-08-09T21:48:40.779Z"
locale: en
meta:
description: "Niche score 46/100 · $86K/yr market · 79K searches/yr · $18.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $86K/yr market · 79K searches/yr · $18.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin D and Zinc — $86K/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin d and zinc**
**Skip it**
Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Market size 22Growth 24Conversion 67Competition 35Returns 100Price range 78Avg price 83Brand share 62Review moat 24Quality gap 18
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.12**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.99–$33.99**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-2.7%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****6,322.1**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$86K**
$86K/yr · 79K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, vitamin d and zinc is a $86K/yr Amazon United States market (79K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Mar. Verdict: Skip it — 46/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin d and zinc market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$91K–$109K**
- units × avg price
- **Conversion rate**
- **6.0%**
- **Avg BSR**
- **#175**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **69 months**
- **Avg seller age**
- **148 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▼falling
**Sellers**
**124**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 99%
**Open market**
**27%**
- NOW Foods20% - X Gold Health17% - Nature Made14% - Carlyle11% - NutriBiotic6% - Amen5%
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — -2.7% search growth over the last 90 days.
4K3KHoliday '24Spike '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Mar · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-d-and-zinc/trend)
## **Top vitamin d and zinc search terms**
- **vitamin d and zinc**20K/yr+14.1%3.6% conv. - **zinc and vitamin d**13K/yr-5.3%4.5% conv. - **vitamin d3 and zinc**8K/yr+44.5%2.7% conv. - **zinc vitamin d**11K/yr-27.2%5.4% conv. - **vitamin d zinc**7K/yr-19.5%6.4% conv. - **zinc d3**4K/yr-0.8%4.4% conv. - **vitamin d with zinc**4K/yr-16.9%5.7% conv. - **d3 zinc**3K/yr+17.5%5.7% conv. - **vitamin d3 zinc**3K/yr-7.2%6.6% conv. - **zinc vitamin c vit d magnesium combo**3K/yr-5.5%1.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/vitamin-d-and-zinc/search-terms)
## **Top vitamin d 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%$9K20%$17K30%$26K40%$34K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Now Supplements C-1000 Zinc & D-3 Seasonal Immune Support* 100 Veg Capsules**NOW Foods**$10.79**4.7★605 rev](https://www.amazon.com/dp/B0BV8887DB) [2**Vitamin D K2 K1 Zinc Quercetin Elderberry Turmeric Ginger & Echinacea Whole Food Supplement 8 in 1- D3 5000 IU Plant-Based from Lichen Vitamin K (K2 MK7 MK4 K1) D3 K2 Vitamins -120 Capsules**X Gold Health**$29.01**4.8★1,216 rev](https://www.amazon.com/dp/B09NCL8S5H) [3**Carlyle Magnesium Zinc and Vitamin D3 | 90 Capsules**Carlyle**$10.01**4.7★438 rev](https://www.amazon.com/dp/B0D6P3PB75) [4**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) [5**Amen Vitamin D K2 & Zinc Cholecalciferol D3 5000 IU Organic Whole Food Blend with Apple Blueberry Cranberry Elderberry Powder Fruits Vegan Supplement D3 K2 Vitamins Non-GMO - 60 Capsules**Amen**$25.89**4.7★617 rev](https://www.amazon.com/dp/B08Q77JRMC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamin D3 K2 - D3 10000iu & K2 120mcg - Highly Bioavailable - 120Softgels**NUTRAHARMONY**$11.58**363 rev9mo ago](https://www.amazon.com/dp/B0FY3HTRVH) [**Sandhus Vitamin D3 K2 Magnesium 5000 IU 120mcg K2 Capsules 120 Count (Pack of 1) | with VIT B6 Zinc & Quercetin | D3K2 Supports Superior Absorption Energy Immune Muscle Health for Men & Women**Sandhu's**$29.07**2,301 rev1y ago](https://www.amazon.com/dp/B0DZQG5YF6) [**Natures Bounty Calcium + D3 + Zinc Gummies Supports Strong Bones & Teeth Plus a Healthy Immune System 500mg Orange and Cherry Flavored 70 Gummies**Nature's Bounty**$11.18**540 rev1y ago](https://www.amazon.com/dp/B0DJG338TD) [**American Standard Supplements Zinc 100mg Vitamin C 1000mg and Vitamin D3 5000 IU (125mcg) Per Serving - Gluten Free Non-GMO 60 Capsules 30 Servings**American Standard Supplements**$9.99**7,967 rev2y ago](https://www.amazon.com/dp/B0D97D894B) [**Carlyle Magnesium Zinc and Vitamin D3 | 90 Capsules**Carlyle**$10.01**438 rev2y ago](https://www.amazon.com/dp/B0D6P3PB75)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamin D3 K2 - D3 10000iu & K2 120mcg - Highly Bioavailable - 120Softgels**NUTRAHARMONY**$11.58**4.7★**▲ 137%**](https://www.amazon.com/dp/B0FY3HTRVH) [**One A Day Multivitamin for Men - Daily Mens Multivitamins with Vitamin D Zinc Folic Acid and B Vitamins Physical Energy Support 200 Count**ONE A DAY**$15.29**4.7★**▲ 65%**](https://www.amazon.com/dp/B001F71XAI) [**Garden of Life Dr. Formulated Vitamin D3 & Zinc Quercetin Once Daily Supplement Immune Support & Breast Health Non-GMO Gluten-Free 30 Small Tabs**Garden of Life**$15.32**4.7★**▲ 40%**](https://www.amazon.com/dp/B098R8PSRN) [**Magnesium Zinc & Vitamin D3 Supplement - Most Bioavailable Forms; Magnesium Glycinate Malate Citrate - Bone Muscle & Heart Health Immune Support - 120 Vegan Capsules**NutraChamps**$21.03**4.6★**▲ 39%**](https://www.amazon.com/dp/B08GFG9G8P) [**Nature Made Calcium Magnesium Zinc with Vitamin D3 Dietary Calcium Supplement for Bone Support 300 Tablets**Nature Made**$11.13**4.8★**▲ 31%**](https://www.amazon.com/dp/B000OD1F7U)
**~~View all trending →~~**
## **What buyers say about vitamin d and zinc**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**21%
*“Great vitamin”*
**Quality-Overall**17%
*“Excellent product”*
**Value For Money**9%
*“Great Value”*
**Advertised Vs Actual Product**5%
*“Accurate description”*
**Ease Of Chewing/Swallowing**4%
*“Easy to swallow”*
**Taste-Overall**4%
*“no weird taste”*
**Immunity Booster**3%
*“Seems to boost my immune system for sure”*
**Ease Of Use**3%
*“Easy to use”*
**Sleep Quality**2%
*“Helps me relax and sleep better”*
**Energy Level**2%
*“Great energy”*
### **What buyers complain about **
**Vitamin**10%
*“These vitamins did not work for me”*
**Acid Regulator/Stomach Ache Relief**6%
*“stomach pains”*
**Size-Overall**6%
*“Bottle bigger than I thought”*
**Dosage**6%
*“Content of each is very low per dosage compared to other brands at the same cost”*
**Side Effects**5%
*“Side effects”*
**Taste-Overall**4%
*“They are tasteless”*
**Ease Of Chewing/Swallowing**3%
*“hard to chew”*
**Functionality-Overall**3%
*“Don't work”*
**Magnesium**2%
*“The combination of these3 suppliment according to other cardiologist could be chatastrophicwith magnesium relaxant,0ppose with d3,a stimulant”*
**Nutritional Content**2%
*“My diet sometimes doesn't always include everything I would need”*
### **Top return reasons **
**Functionality-Overall**24%
**Value For Money**18%
**Certifications**12%
**Magnesium**12%
**Size-Overall**12%
**Taste-Overall**6%
**Dosage**6%
**Vitamin**6%
**Acid Regulator/Stomach Ache Relief**6%
## **Common questions**
- **Is vitamin d and zinc profitable to sell on Amazon United States?**
- The niche generates $86K/yr across 21 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -2.7%. Flapen's verdict: Skip it (46/100).
- **How competitive is the vitamin d and zinc niche?**
- 17 brands and 124 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in vitamin d and zinc?**
- Top complaints mined from reviews: Vitamin, Acid Regulator/Stomach Ache Relief, Size-Overall. The return rate is 0.0%.
- **When does demand for vitamin d and zinc peak?**
- Demand peaks in Mar; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the vitamin d and zinc niche?**
- Listings span $9.99–$33.99; the average listing price is $18.12 (sweet spot $15–$100). The average incumbent carries 6,322 reviews — the moat a new listing must climb.
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