Is vitamin d3 10000 iu profitable to sell on Amazon United States?

The niche generates $813K/yr across 26 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.1%. Flapen's verdict: Worth a look (58/100).

How competitive is the vitamin d3 10000 iu niche?

17 brands and 120 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in vitamin d3 10000 iu?

Top complaints mined from reviews: Vitamin, Dosage, Size-Overall. The return rate is 0.0%.

When does demand for vitamin d3 10000 iu peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the vitamin d3 10000 iu niche?

Listings span $8.67–$49.77; the average listing price is $17.60 (sweet spot $15–$100). The average incumbent carries 18,226 reviews — the moat a new listing must climb.

vitamin d3 10000 iu

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible13.2%

search→purchase rate — share of searches ending in a sale

Price range

Great$8.67–$49.77

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$17.60

avg listing price — sweet spot $15–$100

Market size

Good$813K

$813K/yr · 349K searches

Brand share

Good68%

top-5 brand share — brands hold most of the demand

Competition

Okay56%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-8.1%

90-day search growth — must beat 0% to launch

Review moat

Bad18,225.81

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, vitamin d3 10000 iu is a $813K/yr Amazon United States market (349K searches/yr). The top 5 brands hold 68% of demand. Verdict: Worth a look — 58/100.

Data updated Aug 5, 2026 · scored weekly · How we score niches

vitamin d3 10000 iu market data

Units sold / yr: 50K–60K; avg 1,500–2,000/product
Revenue / yr: $880K–$1.1M; units × avg price
Conversion rate: 13.2%
Avg BSR: #132
Page quality: 0%
Prime: 100%
Sponsored: 81%
Out of stock: 0.0%
Avg brand age: 73 months
Avg seller age: 156 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

120

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

56%

Top 20: 95%

Open market

27%

Nature Made17%
Bronson16%
Carlyle12%
NOW Foods12%
NatureWise10%
Nature's Bounty6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.1% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top vitamin d3 10000 iu search terms

vitamin d 10000 iu67K/yr -9.3%12.0% conv.
vitamin d3 10000 iu26K/yr +168.8%13.5% conv.
vitamin d 1000030K/yr +3.4%12.4% conv.
vitamin d3 10000iu82K/yr -64.9%8.6% conv.
d3 10000 iu18K/yr +10.8%9.5% conv.
d3 vitamin 10000 iu17K/yr -7.5%13.7% conv.
vitamin d3 1000017K/yr +3.9%12.6% conv.
d3 1000012K/yr +9.5%12.9% conv.
vit d3 10000 iu softgels9K/yr +25.8%5.9% conv.
vitamina d3 10000 iu20K/yr -57.7%3.7% conv.

All search terms

Top vitamin d3 10000 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Nature Made Vitamin D3 10000 IU (250 mcg) Maximum Strength 60 Softgels

Nature Made$14.504.8★3,783 rev

Bronson Vitamin D3 10 000 IU (250 mcg) Immune & Muscle Support 360 Tablets

Bronson$9.534.7★11,056 rev

Carlyle Vitamin D3 10000 IU (250 mcg) | 400 Softgels

Carlyle$10.374.8★22,589 rev

NatureWise Vitamin D3 10000IU Supplement Immune Support 90 Mini Softgels

NatureWise$13.834.7★195,696 rev

NOW Foods Supplements Vitamin D-3 10 000 IU Highest Potency Structural Support* 120 Softgels

NOW Foods$9.634.8★8,728 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

6mo ago

NatureWise Vitamin D3 10000IU Supplement Immune Support 90 Mini Softgels

NatureWise$13.83195,696 rev

1y ago

Micro Ingredients Vitamin D3 10 000 IU 400 Softgels | Virgin Coconut Oil | Cholecalciferol Form | Bone Immune & Heart Support | Easy to Swallow Non-GMO

Micro Ingredients$10.37164 rev

1y ago

BulkSupplements.com Vitamin D3 10000IU Softgels - Cholecalciferol D3 Supplement Vitamin D 10000 IU - 1 Vitamin D3 Softgel (250mcg of Vitamin D) per Serving - 500-Day Supply 500 Softgels

BulkSupplements$20.45298 rev

3y ago

Bronson Vitamin D3 10 000 IU (250 mcg) High Potency - Supports Healthy Immune System Strong Bones Muscles & Teeth - Non GMO 180 Softgels

Bronson$9.942,649 rev

3y ago

What buyers say about vitamin d3 10000 iu

What buyers praise and complain about, mined from review topics.

What buyers love

Vitamin23%

“Great Vitamin Supplement”

Quality-Overall22%

“Quality at a fair price”

Value For Money11%

“Great deal”

Ease Of Chewing/Swallowing6%

“It is easy to use especially swallowing”

Advertised Vs Actual Product6%

“accurately described”

Efficiency3%

“Very Effective”

Dosage3%

“Great dosage”

Nutritional Content2%

“Best nutritional products”

Ease Of Use2%

“makes it a lot easier to keep up with”

Ingredients-Overall2%

“no unnecessary ingredients”

What buyers complain about

Vitamin17%

“Be very careful with this vitamin”

Dosage10%

“This is a very high dosage”

Size-Overall7%

“Super small”

Value For Money4%

“Overpriced”

Side Effects3%

“talk to your doctor because this product may do more harm than good”

Ingredients-Overall3%

“Ingredients contain soybean oil”

Advertised Vs Actual Product3%

“DOES NOT ADDRESS THIS IN THE PRODUCT DESCRIPTION”

Quality-Overall3%

“Not the best”

Smell2%

“The smell is too strong”

Functionality-Overall2%

“Cant provide results yet”

Top return reasons

Dosage35%

Ingredients-Overall15%

Vitamin10%

Smell8%

Value For Money4%

Advertised Vs Actual Product4%

Functionality-Overall4%

Size-Overall4%

Quality-Overall4%

Certifications4%

Common questions

Is vitamin d3 10000 iu profitable to sell on Amazon United States?: The niche generates $813K/yr across 26 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.1%. Flapen's verdict: Worth a look (58/100).
How competitive is the vitamin d3 10000 iu niche?: 17 brands and 120 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in vitamin d3 10000 iu?: Top complaints mined from reviews: Vitamin, Dosage, Size-Overall. The return rate is 0.0%.
When does demand for vitamin d3 10000 iu peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the vitamin d3 10000 iu niche?: Listings span $8.67–$49.77; the average listing price is $17.60 (sweet spot $15–$100). The average incumbent carries 18,226 reviews — the moat a new listing must climb.