spring valley vitamin d3
Skip itA deep review moat (21,861 avg reviews) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible12.9%search→purchase rate — share of searches ending in a sale
Avg price
Great$17.37avg listing price — sweet spot $15–$100
Price range
Good$8.21–$26.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay88%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
Bad79%top-5 click share — a locked-up shelf
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad21,861.29avg 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
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.Peak months: Aug, Sep · busiest ÷ quietest = 2.4×
Top spring valley vitamin d3 search terms
- spring valley vitamin d327K/yr
- spring valley d36K/yr
- spring valley vitamin d5K/yr
- spring valley vitamin d3 5000 iu3K/yr
- vitamin d spring valley3K/yr
- spring valley d3 5000 iu2K/yr
- vitamin d3 spring valley2K/yr
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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Spring Valley - Vitamin D-3 1000 IU 450 Softgels
BELOEN$15.464.7★1,012 rev
Vitamin D3 Spring Valley Softgels 125 mcg per Softgel 5 000 IU 400 Count and Gift Ice Roller for Face
FitMania$20.854.5★123 rev
KP+ Vitamin D3 125 mcg (5 000 IU) | Bone & Immune Health | Gluten Free | 250 Softgels | Pack of 1
KP+$20.914.9★17 rev
Spring Valley Vitamin D Supplement Softgels 50 Mcg (2 000 IU) 400 Count + Me Gusta Sticker
ME GUSTA SHOP$23.434.6★22 rev
KP+ Vitamin D 50 mcg (2000 IU) | Bone & Immune Health | 400 Softgels | Pack of 1
KP+$23.364.7★9 rev
Newest
by launch dateVitamin D3 Spring Valley Softgels 125 mcg per Softgel 5 000 IU 400 Count and Gift Ice Roller for Face
FitMania$20.85123 rev
KP+ Vitamin D3 125 mcg (5 000 IU) | Bone & Immune Health | Gluten Free | 250 Softgels | Pack of 1
KP+$20.9117 rev
KP+ Vitamin D 50 mcg (2000 IU) | Bone & Immune Health | 400 Softgels | Pack of 1
KP+$23.369 rev
Spring Valley Extra Strength Vitamin D3 Softgels 125 mcg (5000 IU) Supplement for Bone and Immune Health 250 Count
H4U$14.1535 rev
Vitamin D 25mcg 1 000 IU 450 Count Softgels Spring Valley + Pill case
ME GUSTA SHOP$21.0810 rev
Trending
90-day click momentumSpring Valley Vitamin D Supplement Softgels 50 Mcg (2 000 IU) 400 Count + Me Gusta Sticker
ME GUSTA SHOP$23.434.6★
KP+ Vitamin D 50 mcg (2000 IU) | Bone & Immune Health | 400 Softgels | Pack of 1
KP+$23.364.7★
Vitamin D 25mcg 1 000 IU 450 Count Softgels Spring Valley + Pill case
ME GUSTA SHOP$21.085.0★
Natures Bounty Vitamin D3 5000 IU Softgels Rapid Release 150 Count
Nature's Bounty$8.214.8★
KP+ Vitamin D3 125 mcg (5 000 IU) | Bone & Immune Health | Gluten Free | 250 Softgels | Pack of 1
KP+$20.914.9★
What buyers say about spring valley vitamin d3
What buyers praise and complain about, mined from review topics.What buyers love
“Great Vitamin D3”
“I appreciate the consistent quality I've come to expect from this brand”
“As advertised”
“Cost effective”
“Easy to swallow”
“It is great if you have to take large doses”
“Easy to take”
“very effective”
“reliable supplement to add to my routine”
“Really tasty”
What buyers complain about
“Ingredients contain soybean oil”
“Freebie listed was not included”
“these are so small”
“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”
“the pills were all clumped together”
“something doesnt smell right”
“Inedible, poor quality”
“The softgels themselves are also not as easy to take as I expected”
“Not comfortable using”
“Impossible to actually grab one”
Top return reasons
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.