High Potency Vitamin D3
Worth a lookShows low returns (0.0%), but a deep review moat (39,656 avg reviews) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible18.7%search→purchase rate — share of searches ending in a sale
Market size
Great$1.6M$1.6M/yr · 630K searches
Price range
Good$6.39–$34.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$13.58avg listing price — sweet spot $15–$100
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Growth
Bad-1.1%90-day search growth — must beat 0% to launch
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Review moat
Bad39,656.42avg incumbent reviews — the moat a new listing must climb
Is high potency vitamin d3 profitable on Amazon?
According to Flapen's Amazon United States niche tracking, high potency vitamin d3 is a $1.6M/yr Amazon United States market (630K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 54/100.
Data updated Aug 5, 2026 · scored weekly · How we score niches
high potency vitamin d3 market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 125K–150K
- avg 6,000–8,000/product
- Revenue / yr
- $1.7M–$2.0M
- units × avg price
- Conversion rate
- 18.7%
- Avg BSR
- #98
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 0.0%
- Avg brand age
- 94 months
- Avg seller age
- 148 days
Competition: brands, sellers & click share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
139
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
59%
Top 20: 100%
Open market
8%
- NOW Foods35%
- Nature Made23%
- Nature's Bounty13%
- NatureWise11%
- Bronson7%
- Vitamatic3%
- Open — no brand owns it (5 brands, 8%)
high potency vitamin d3 demand & seasonality
Weekly Amazon search volume, last 100 weeks — -1.1% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 3.1×
Top high potency vitamin d3 search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- d3 5000 iu107K/yr
- now vitamin d395K/yr
- vitamin d 500073K/yr
- vitamin d3 500060K/yr
- d3 500029K/yr
- d3 vitamin 5000 iu47K/yr
- vit d3 5000 iu16K/yr
- vitamin d3 5000iu19K/yr
- now vitamin d26K/yr
- vitamin d3 5000 iu softgels22K/yr
Top high potency vitamin d3 products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NOW Foods Supplements Vitamin D-3 5 000 IU High Potency Structural Support* 240 Softgels
NOW Foods$11.614.8★51,526 rev
Nature Made Vitamin D3 5000 IU (125 mcg) 180 Vitamin D Softgels
Nature Made$13.364.8★67,638 rev
NatureWise Vitamin D3 5000IU Supplement Immune Support 360 Mini Softgels
NatureWise$13.604.7★195,696 rev
Natures Bounty Vitamin D3 5000 IU Softgels 240 Count
Nature's Bounty$14.744.8★83,838 rev
NOW Foods Supplements Vitamin D-3 2 000 IU High Potency Structural Support* 240 Softgels
NOW Foods$8.564.8★21,207 rev
Newest
by launch date
NOW Foods Supplements Vitamin D-3 10 000 IU Highest Potency Structural Support* 200 Softgels
NOW Foods$17.2175 rev
NOW Foods - Vitamin D-3 2000 IU High Potency Structural Support* 360 softgels
NOW Foods$14.69130 rev
Natures Wonder Vitamin D3 5000 IU High Potency Gluten-Free 360 Softgels
Nature's Wonder$7.80499 rev
Bronson Vitamin D3 5000iu (125mcg) Non-GMO Gluten-Free Soy-Free 360 Tablets
Bronson$9.542,941 rev
Vitamatic Vitamin D3 5000 IU (125 mcg) 500 Softgels Made in USA
Vitamatic$9.862,374 rev
Trending
90-day click momentumNOW Foods Supplements Vitamin D-3 10 000 IU Highest Potency Structural Support* 200 Softgels
NOW Foods$17.214.8★
Natures Wonder Vitamin D3 5000 IU High Potency Gluten-Free 360 Softgels
Nature's Wonder$7.804.8★
Nature Made Vitamin D3 5000 IU (125 mcg) 90 Vitamin D Softgels
Nature Made$8.674.8★
Nature Made Vitamin D3 5000 IU (125 mcg) 360 Vitamin D Softgels
Nature Made$26.474.8★
Vitamatic Vitamin D3 5000 IU (125 mcg) 500 Softgels Made in USA
Vitamatic$9.864.8★
What reviews say buyers love and hate about high potency vitamin d3
What buyers praise and complain about, mined from review topics.What buyers love
“Quality vitamin”
“the quality seems consistent”
“Fair price”
“As described”
“Ease swallow”
“The dose and quantity are good”
“Effective”
“Ease of use”
“Good Supplement”
“Great for the immune system”
What buyers complain about
“Its a tiny capsule”
“I was deficient in vitamin d”
“Very high amount”
“Doesnt work”
“Caused terrible diarrhea and headaches”
“Smelled Horrible”
“Contains pork products”
“Horrifically over priced”
“the pills were all clumped together”
“Has no taste, and is small and easy to digest”
Top return reasons
Common high potency vitamin d3 questions
- Is high potency vitamin d3 profitable to sell on Amazon United States?
- The niche generates $1.6M/yr across 19 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -1.1%. Flapen's verdict: Worth a look (54/100).
- How competitive is the high potency vitamin d3 niche?
- 11 brands and 139 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in high potency vitamin d3?
- Top complaints mined from reviews: Size-Overall, Vitamin, Dosage. The return rate is 0.0%.
- When does demand for high potency vitamin d3 peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 3.1× the quietest.
- What does it cost to enter the high potency vitamin d3 niche?
- Listings span $6.39–$34.70; the average listing price is $13.58 (sweet spot $15–$100). The average incumbent carries 39,656 reviews — the moat a new listing must climb.