vitamin d3 50000 iu
Skip itA deep review moat (28,995 avg reviews) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$17.20avg listing price — sweet spot $15–$100
Conversion
Great8.0%search→purchase rate — share of searches ending in a sale
Price range
Great$8.81–$35.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$588K$588K/yr · 428K searches
Growth
Okay+0.7%90-day search growth — must beat 0% to launch
Brand share
Okay90%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad83%top-5 click share — a locked-up shelf
Review moat
Bad28,994.5avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, vitamin d3 50000 iu is a $588K/yr Amazon United States market (428K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 46/100.
Data updated Aug 5, 2026 · scored weekly · How we score niches
vitamin d3 50000 iu market data
- Units sold / yr
- 40K–50K
- avg 3,000–4,000/product
- Revenue / yr
- $688K–$860K
- units × avg price
- Conversion rate
- 8.0%
- Avg BSR
- #119
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 0.0%
- Avg brand age
- 78 months
- Avg seller age
- 149 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
84
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
7%
- Vitamatic35%
- ForestLeaf28%
- NOW Foods19%
- Micro Ingredients4%
- Nivagen3%
- DEAL SUPPLEMENT3%
- Open — no brand owns it (3 brands, 7%)
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +0.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top vitamin d3 50000 iu search terms
- vitamin d3 50000 iu59K/yr
- vitamin d 50000 iu54K/yr
- vitamina d3 de 5000054K/yr
- vitamin d 5000041K/yr
- vitamina d 50000 iu24K/yr
- high dose vitamin d23K/yr
- vitamin d 500000 once weekly23K/yr
- vitamin d3 5000021K/yr
- vitamina d3 100000 ui9K/yr
- 50000 vitamin d318K/yr
Top vitamin d3 50000 iu 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Vitamatic Vitamin D3 50 000 IU Once Weekly 60 Veg Capsules Made in USA
Vitamatic$9.804.8★5,122 rev

ForestLeaf Vitamin D3 50 000 IU High Potency Weekly Supplement 120 Ct
ForestLeaf$19.454.8★15,734 rev

NOW Foods Supplements Vitamin D-3 50 000 IU Softgels 50 softgels
NOW Foods$11.524.8★3,429 rev

Micro Ingredients Vitamin D3 50 000 IU + K2 MK-7 200 mcg 240 Softgels | Virgin Coconut Oil | 2-in-1 Support | Easy to Swallow Non-GMO
Micro Ingredients$35.954.6★1,376 rev

Nivagen Vitamin D3 50 000 IU (1250 mcg) | Once Weekly Dose | 100 Capsules (100 Weeks Approx. 2 Years Supply) | Easy to Swallow | Bone Muscle & Immune Support | Non-GMO Gluten Free | Made in USA
Nivagen$19.204.8★5,245 rev
Newest
by launch date
Now Foods Vitamin D3 Max Potency 50 000 Iu 15 Capsules
NOW Foods$8.8176 rev

UpNourish Liposomal Vitamin D3 50000 IU (Vitamina D3 de 50000) with 1000 mcg Vitamin K High Dose Vitamin D3 K2 Vitamin D 50000 IU with K1 K2 MK-4 and MK-7 120 Mini Softgels
UpNourish$18.93329 rev

DEAL SUPPLEMENT Vitamin D3 50 000 IU + K2 MK7 200mcg Softgels 240 Count | 2-in-1 Complex with Virgin Coconut Oil | Supports Heart Bone Teeth & Immune Health | Easy to Swallow*
DEAL SUPPLEMENT$34.43839 rev

Micro Ingredients Vitamin D3 50 000 IU + K2 MK-7 200 mcg 240 Softgels | Virgin Coconut Oil | 2-in-1 Support | Easy to Swallow Non-GMO
Micro Ingredients$35.951,376 rev

Vitamatic Vitamin D3 50 000 IU 60 Natural Orange Flavor Gummies
Vitamatic$9.68924 rev
Trending
90-day click momentum
NOW Foods Supplements Vitamin D-3 5 000 IU High Potency Structural Support* 240 Softgels
NOW Foods$11.614.8★

Vitamatic Vitamin D3 50 000 IU 60 Natural Orange Flavor Gummies
Vitamatic$9.684.6★

ForestLeaf Vitamin D3 50 000 IU High Potency Weekly Supplement 120 Ct
ForestLeaf$19.454.8★

Now Foods Vitamin D3 Max Potency 50 000 Iu 15 Capsules
NOW Foods$8.814.7★

Vitamatic Vitamin D3 50 000 IU Once Weekly 60 Veg Capsules Made in USA
Vitamatic$9.804.8★
What buyers say about vitamin d3 50000 iu
What buyers praise and complain about, mined from review topics.What buyers love
“Awesome vitamin”
“the quality has been consistent with every purchase”
“Very affordable”
“Ease swallow”
“Effective”
“Good weekly dose”
“meets the need”
“Easy to open and use”
“Pleasant taste”
“my energy levels have improved”
What buyers complain about
“I don't know how effective the vitamin is yet'”
“Too high a dosage”
“These are small”
“Did not work”
“there is no taste with the capsules”
“Too pricey”
“Poor quality control”
“I started getting bad rashes on my face aftwr atarting my second bottle”
“Smells like coconut oil if someone is not ok with it”
“So, I took one of these small pills and within 15 minutes I felt extremely light headed and also had stomach pain”
Top return reasons
Common questions
- Is vitamin d3 50000 iu profitable to sell on Amazon United States?
- The niche generates $588K/yr across 12 tracked products. 90-day search growth is +0.7%. Flapen's verdict: Skip it (46/100).
- How competitive is the vitamin d3 50000 iu niche?
- 9 brands and 84 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 90% of demand.
- What do buyers complain about in vitamin d3 50000 iu?
- Top complaints mined from reviews: Vitamin, Dosage, Size-Overall. The return rate is 0.0%.
- When does demand for vitamin d3 50000 iu peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the vitamin d3 50000 iu niche?
- Listings span $8.81–$35.95; the average listing price is $17.20 (sweet spot $15–$100). The average incumbent carries 28,995 reviews — the moat a new listing must climb.