Is vitamin d and b12 profitable to sell on Amazon United States?

The niche generates $231K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -18.9%. Flapen's verdict: Skip it (46/100).

How competitive is the vitamin d and b12 niche?

11 brands and 513 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 81% of demand.

What do buyers complain about in vitamin d and b12?

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

When does demand for vitamin d and b12 peak?

Demand peaks in Feb–Mar–Apr; the busiest month runs 2.0× the quietest.

What does it cost to enter the vitamin d and b12 niche?

Listings span $8.65–$31.72; the average listing price is $18.11 (sweet spot $15–$100). The average incumbent carries 8,075 reviews — the moat a new listing must climb.

vitamin d and b12

Skip it

Soft demand (-18.9% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great9.2%

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

Avg price

Great$18.11

avg listing price — sweet spot $15–$100

Price range

Good$8.65–$31.72

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

Market size

Okay$231K

$231K/yr · 138K searches

Brand share

Okay81%

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

Competition

Okay70%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad8,074.92

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-18.9%

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

According to Flapen's Amazon United States niche tracking, vitamin d and b12 is a $231K/yr Amazon United States market (138K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Feb–Mar–Apr. Verdict: Skip it — 46/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

vitamin d and b12 market data

Units sold / yr: 10K–13K; avg 750–1,000/product
Revenue / yr: $181K–$226K; units × avg price
Conversion rate: 9.2%
Avg BSR: #343
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 0.0%
Avg brand age: 75 months
Avg seller age: 151 days

Competition & brand share

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

513

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

15%

NutraChamps41%
Nature's Truth14%
MARYRUTH'S11%
Nutri Apex8%
Piping Rock7%
OLLY4%
Open — no brand owns it (5 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — -18.9% search growth over the last 90 days.

Peak months: Feb, Mar, Apr · busiest ÷ quietest = 2.0×

Open Trend

Top vitamin d and b12 search terms

vitamin d and b1234K/yr -33.1%5.7% conv.
vitamin d and b12 supplement8K/yr +35.9%6.5% conv.
vitamin d3 b129K/yr +24.2%3.5% conv.
d3 b12 gummies12K/yr -66.6%14.3% conv.
vitamin d b128K/yr -6.5%7.5% conv.
d3 b127K/yr -19.0%9.8% conv.
vitamin d and b6K/yr -2.7%5.9% conv.
vitamin b and d7K/yr -10.2%4.7% conv.
vitamin b12 and d7K/yr -10.2%7.6% conv.
b12 and vitamin d4K/yr +43.1%7.0% conv.

All search terms

Top vitamin d and b12 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NutraChamps Vitamin D3 & B12 Methyl B12 Gummies for Adults & Kids Enhanced with Vitamin D 3 & B9 Vitamin Folate Natural Energy Mood Metabolism & Focus Raspberry 60 Gummies

NutraChamps$14.834.6★3,328 rev

Natures Truth Vitamin D3 and B12 Gummies for Adults | 60 Count | Strawberry Flavor | Vegetarian Non-GMO & Gluten Free Supplement

Nature's Truth$12.814.8★671 rev

Vitamin B12 and D3 Sublingual Tablets 2500mcg B12 (Methylcobalamin) + 5000 IU D3 (Cholecalciferol) Fast-Absorbing for Energy Mood Immune & Bone Health Non-GMO Soy-Free Made in USA 60 Tablets

Nutri Apex$19.164.4★57 rev

NutraChamps Vitamin D3 & B12 Methyl B12 Gummies for Adults & Kids Enhanced with Vitamin D 3 & B9 Vitamin Folate Natural Energy Mood Metabolism & Focus Raspberry 120 Gummies (Pack of 2)

NutraChamps$22.024.6★3,328 rev

Piping Rock Vitamin D3 and B12 Gummies | 60 Count

Piping Rock$9.834.6★217 rev

Newest

by launch date

Natrol Ultra Energy 4-in-1 B12 B Complex Vitamin D CoQ10 30 Capsules

Natrol$16.4895 rev

5mo ago

Vitamin B12 and D3 Sublingual Tablets 2500mcg B12 (Methylcobalamin) + 5000 IU D3 (Cholecalciferol) Fast-Absorbing for Energy Mood Immune & Bone Health Non-GMO Soy-Free Made in USA 60 Tablets

Nutri Apex$19.1657 rev

12mo ago

NEVISS Vegan Vitamin D3 5000IU + Vitamin B12 Gummies for Women Men 120Ct

NEVISS$31.72161 rev

3y ago

Piping Rock Vitamin D3 and B12 Gummies | 60 Count

Piping Rock$9.83217 rev

3y ago

MARYRUTHS Organic Vitamin D3 + B12 Gummies for Ages 4+ 60 Servings Vegan

MARYRUTH'S$21.81502 rev

3y ago

What buyers say about vitamin d and b12

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

What buyers love

Vitamin19%

“I feel that the vitamins are effective”

Quality-Overall11%

“I believe they offer the best products at the best prices”

Energy Level9%

“Helps with energy”

Taste-Overall8%

“Love the gummy taste”

Value For Money6%

“Great value”

Ease Of Chewing/Swallowing5%

“Chewability”

Advertised Vs Actual Product4%

“As Described”

Ease Of Use3%

“Easy to use”

Calcium3%

“Good Calcium”

Side Effects2%

“No side effects and easy to take”

What buyers complain about

Taste-Overall12%

“Tastes gross”

Smell9%

“it smells like burnt rubber”

Vitamin5%

“It's hard to get kids to take vitamins”

Size-Overall4%

“Size is a disappointment”

Energy Level3%

“also didn't feel any difference in energy levels; again this is my experience and opinion”

Ease Of Chewing/Swallowing3%

“Just dont chew it”

Quality-Overall3%

“Inconsistent quality”

Value For Money2%

“Expensive”

Allergies2%

“Allergic reaction”

Ease Of Use2%

“The entire cap came off easier. a little too easy actually”

Top return reasons

Value For Money18%

Smell14%

Functionality-Overall9%

Hard Feel9%

Size-Overall9%

Ingredients-Overall9%

Accuracy-Overall9%

Vitamin9%

Joint Pain9%

Taste-Overall5%

Common questions

Is vitamin d and b12 profitable to sell on Amazon United States?: The niche generates $231K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -18.9%. Flapen's verdict: Skip it (46/100).
How competitive is the vitamin d and b12 niche?: 11 brands and 513 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 81% of demand.
What do buyers complain about in vitamin d and b12?: Top complaints mined from reviews: Taste-Overall, Smell, Vitamin. The return rate is 0.0%.
When does demand for vitamin d and b12 peak?: Demand peaks in Feb–Mar–Apr; the busiest month runs 2.0× the quietest.
What does it cost to enter the vitamin d and b12 niche?: Listings span $8.65–$31.72; the average listing price is $18.11 (sweet spot $15–$100). The average incumbent carries 8,075 reviews — the moat a new listing must climb.

vitamin d and b12

vitamin d and b12 market data

Competition & brand share

Demand & seasonality

Top vitamin d and b12 search terms

Top vitamin d and b12 products on Amazon

Top sellers

Newest

Trending

What buyers say about vitamin d and b12

What buyers love

What buyers complain about

Top return reasons

Common questions

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