---
title: "Spring Valley Vitamin D3 — $106K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/spring-valley-vitamin-d3"
last_updated: "2026-08-11T04:12:16.345Z"
locale: en
meta:
description: "Niche score 41/100 · $106K/yr market · 47K searches/yr · $17.37 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 41/100 · $106K/yr market · 47K searches/yr · $17.37 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Spring Valley Vitamin D3 — $106K/yr Amazon US Niche (2026) - Flapen"
---
# **spring valley vitamin d3**
**Skip it**
A deep review moat (21,861 avg reviews) — this niche doesn't clear our bar today.
Market size 26Growth 18Conversion 96Competition 18Returns 100Price range 63Avg price 81Brand share 29Review moat 15Quality gap 18
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.9%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$17.37**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.21–$26.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$106K**
$106K/yr · 47K searches
**Growth**
**Bad****-14.6%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****21,861.29**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, spring valley vitamin d3 is a $106K/yr Amazon United States market (47K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 41/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spring valley vitamin d3 market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **$87K–$104K**
- units × avg price
- **Conversion rate**
- **12.9%**
- **Avg BSR**
- **#456**
- **Page quality**
- **0%**
- **Prime**
- **64%**
- **Sponsored**
- **50%**
- **Out of stock**
- **5.5%**
- **Avg brand age**
- **81 months**
- **Avg seller age**
- **145 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **—flat
**Sellers**
**176**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**8%**
- BELOEN25% - FitMania22% - KP+19% - ME GUSTA SHOP14% - Nature's Bounty7% - H4U4% - Open — no brand owns it (4 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — -14.6% search growth over the last 90 days.
4K3KSpike '25Prime Day '25 seasonDecMarJunAugNovMarMay
Peak months: Aug, Sep · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/us/health-household/spring-valley-vitamin-d3/trend)
## **Top spring valley vitamin d3 search terms**
- **spring valley vitamin d3**27K/yr-33.1%10.4% conv. - **spring valley d3**6K/yr+26.0%10.9% conv. - **spring valley vitamin d**5K/yr+7.6%8.2% conv. - **spring valley vitamin d3 5000 iu**3K/yr-1.9%9.6% conv. - **vitamin d spring valley**3K/yr+9.9%7.4% conv. - **spring valley d3 5000 iu**2K/yr+43.9%19.5% conv. - **vitamin d3 spring valley**2K/yr-12.3%10.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/spring-valley-vitamin-d3/search-terms)
## **Top spring valley vitamin d3 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%$11K20%$21K30%$32K40%$42K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Spring Valley - Vitamin D-3 1000 IU 450 Softgels**BELOEN**$15.46**4.7★1,012 rev](https://www.amazon.com/dp/B007IC4R1G) [2**Vitamin D3 Spring Valley Softgels 125 mcg per Softgel 5 000 IU 400 Count and Gift Ice Roller for Face**FitMania**$20.85**4.5★123 rev](https://www.amazon.com/dp/B0DNNWNKC3) [3**KP+ Vitamin D3 125 mcg (5 000 IU) | Bone & Immune Health | Gluten Free | 250 Softgels | Pack of 1**KP+**$20.91**4.9★17 rev](https://www.amazon.com/dp/B0FV4QMTQQ) [4**Spring Valley Vitamin D Supplement Softgels 50 Mcg (2 000 IU) 400 Count + Me Gusta Sticker**ME GUSTA SHOP**$23.43**4.6★22 rev](https://www.amazon.com/dp/B0CL1XM1QX) [5**KP+ Vitamin D 50 mcg (2000 IU) | Bone & Immune Health | 400 Softgels | Pack of 1**KP+**$23.36**4.7★9 rev](https://www.amazon.com/dp/B0FVMNPNVG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamin D3 Spring Valley Softgels 125 mcg per Softgel 5 000 IU 400 Count and Gift Ice Roller for Face**FitMania**$20.85**123 rev1y ago](https://www.amazon.com/dp/B0DNNWNKC3) [**KP+ Vitamin D3 125 mcg (5 000 IU) | Bone & Immune Health | Gluten Free | 250 Softgels | Pack of 1**KP+**$20.91**17 rev2y ago](https://www.amazon.com/dp/B0FV4QMTQQ) [**KP+ Vitamin D 50 mcg (2000 IU) | Bone & Immune Health | 400 Softgels | Pack of 1**KP+**$23.36**9 rev2y ago](https://www.amazon.com/dp/B0FVMNPNVG) [**Spring Valley Extra Strength Vitamin D3 Softgels 125 mcg (5000 IU) Supplement for Bone and Immune Health 250 Count**H4U**$14.15**35 rev2y ago](https://www.amazon.com/dp/B0CVFHVLQH) [**Vitamin D 25mcg 1 000 IU 450 Count Softgels Spring Valley + Pill case**ME GUSTA SHOP**$21.08**10 rev2y ago](https://www.amazon.com/dp/B0CLBD3J43)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Spring Valley Vitamin D Supplement Softgels 50 Mcg (2 000 IU) 400 Count + Me Gusta Sticker**ME GUSTA SHOP**$23.43**4.6★**▲ 114%**](https://www.amazon.com/dp/B0CL1XM1QX) [**KP+ Vitamin D 50 mcg (2000 IU) | Bone & Immune Health | 400 Softgels | Pack of 1**KP+**$23.36**4.7★**▲ 47%**](https://www.amazon.com/dp/B0FVMNPNVG) [**Vitamin D 25mcg 1 000 IU 450 Count Softgels Spring Valley + Pill case**ME GUSTA SHOP**$21.08**5.0★**▲ 40%**](https://www.amazon.com/dp/B0CLBD3J43) [**Natures Bounty Vitamin D3 5000 IU Softgels Rapid Release 150 Count**Nature's Bounty**$8.21**4.8★**— 8%**](https://www.amazon.com/dp/B002Y27LLS) [**KP+ Vitamin D3 125 mcg (5 000 IU) | Bone & Immune Health | Gluten Free | 250 Softgels | Pack of 1**KP+**$20.91**4.9★**— 7%**](https://www.amazon.com/dp/B0FV4QMTQQ)
**~~View all trending →~~**
## **What buyers say about spring valley vitamin d3**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**23%
*“Great Vitamin D3”*
**Quality-Overall**19%
*“I appreciate the consistent quality I've come to expect from this brand”*
**Advertised Vs Actual Product**15%
*“As advertised”*
**Value For Money**12%
*“Cost effective”*
**Ease Of Chewing/Swallowing**5%
*“Easy to swallow”*
**Dosage**4%
*“It is great if you have to take large doses”*
**Ease Of Use**4%
*“Easy to take”*
**Efficiency**3%
*“very effective”*
**Nutritional Content**2%
*“reliable supplement to add to my routine”*
**Taste-Overall**1%
*“Really tasty”*
### **What buyers complain about **
**Ingredients-Overall**9%
*“Ingredients contain soybean oil”*
**Advertised Vs Actual Product**8%
*“Freebie listed was not included”*
**Size-Overall**8%
*“these are so small”*
**Vitamin**7%
*“vitamin D levels showed to be low so unfortunately what they say is true about vitamin D needing to be taken with K2 for proper absorption in your body”*
**Stuck/Fused Together**7%
*“the pills were all clumped together”*
**Smell**5%
*“something doesnt smell right”*
**Quality-Overall**4%
*“Inedible, poor quality”*
**Ease Of Use**4%
*“The softgels themselves are also not as easy to take as I expected”*
**Comfort-Overall**3%
*“Not comfortable using”*
**Grip**3%
*“Impossible to actually grab one”*
### **Top return reasons **
**Dosage**38%
**Smell**38%
**Value For Money**13%
**Ingredients-Overall**13%
## **Common questions**
- **Is spring valley vitamin d3 profitable to sell on Amazon United States?**
- The niche generates $106K/yr across 14 tracked products. 90-day search growth is -14.6%. Flapen's verdict: Skip it (41/100).
- **How competitive is the spring valley vitamin d3 niche?**
- 10 brands and 176 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in spring valley vitamin d3?**
- Top complaints mined from reviews: Ingredients-Overall, Advertised Vs Actual Product, Size-Overall. The return rate is 0.0%.
- **When does demand for spring valley vitamin d3 peak?**
- Demand peaks in Aug–Sep; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the spring valley vitamin d3 niche?**
- Listings span $8.21–$26.42; the average listing price is $17.37 (sweet spot $15–$100). The average incumbent carries 21,861 reviews — the moat a new listing must climb.
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