Is now vitamin d3 k2 profitable to sell on Amazon United States?

The niche generates $606K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Skip it (45/100).

How competitive is the now vitamin d3 k2 niche?

2 brands and 28 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in now vitamin d3 k2?

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

When does demand for now vitamin d3 k2 peak?

Demand peaks in Jan–Nov–Dec; the busiest month runs 3.7× the quietest.

What does it cost to enter the now vitamin d3 k2 niche?

Listings span $8.71–$39.19; the average listing price is $18.89 (sweet spot $15–$100). The average incumbent carries 3,495 reviews — the moat a new listing must climb.

Now Vitamin D3 K2

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible12.1%

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

Avg price

Great$18.89

avg listing price — sweet spot $15–$100

Price range

Great$8.71–$39.19

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

Market size

Good$606K

$606K/yr · 265K searches

Review moat

Okay3,494.88

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-8.6%

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

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Competition

Bad87%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Is now vitamin d3 k2 profitable on Amazon?

According to Flapen's Amazon United States niche tracking, now vitamin d3 k2 is a $606K/yr Amazon United States market (265K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 45/100.

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

now vitamin d3 k2 market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 30K–40K; avg 3,000–4,000/product
Revenue / yr: $567K–$756K; units × avg price
Conversion rate: 12.1%
Avg BSR: #86
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 62 months
Avg seller age: 159 days

Competition: brands, sellers & click share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

NOW Foods88%
NatureWise12%
Open — no brand owns it (0%)

now vitamin d3 k2 demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.6% search growth over the last 90 days.

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 3.7×

Open Trend

Top now vitamin d3 k2 search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

now vitamin d3 k285K/yr -13.2%14.7% conv.
vitamin d3 k2 1000iu24K/yr +6.1%5.7% conv.
now d3 k231K/yr -4.6%13.4% conv.
naturewise vitamin d3 k215K/yr -7.7%5.9% conv.
now foods vitamin d3 k217K/yr -25.3%9.7% conv.
d3 k2 vitamin 1000 iu10K/yr +3.6%5.0% conv.
d3 k2 1000 iu10K/yr +17.4%5.0% conv.
vitamin d3 k2 now14K/yr -12.2%11.8% conv.
now foods d3 k25K/yr +61.1%11.3% conv.
d3 k2 now8K/yr -19.2%10.1% conv.

All search terms

Top now vitamin d3 k2 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.

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

All 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NOW Supplements Vitamin D-3 & K-2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 120 veg Capsules

NOW Foods$8.714.8★12,488 rev

Now Supplements Vitamin D3 K2 1 000 IU/45 mcg Cardiovascular Support Supports Bone Health 180 Vegetarian Capsules - Vegan Gluten Free Kosher

NOW Foods$17.634.8★802 rev

NOW Supplements Mega D-3 & MK-7 5000 IU / 180 mcg Bone & Cardiovascular Support* Vitamins K-3 & K-2 120 Capsules

NOW Foods$21.624.8★6,758 rev

NatureWise Vitamin D3 1000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels[3-Month Supply]

NatureWise$14.824.5★500 rev

NOW Foods Supplements Mega D-3 & MK-7 with Vitamins D-3 & K-2 5 000 IU/180 mcg Bone & Cardiovascular Support* 60 Veg Capsules

NOW Foods$13.404.8★6,758 rev

Newest

by launch date

Now Supplements Vitamin D3 & K2 1 000 IU/45 mcg Plus Cardiovascular Support* Supports Bone Health* 240 Veg Capsules

NOW Foods$18.4842 rev

7mo ago

NatureWise Vitamin D3 1000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels[3-Month Supply]

NatureWise$14.82500 rev

1y ago

NatureWise Vitamin D3 5000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption Bone & Immune Health - Non-GMO Soy & Gluten-Free - 90 Softgels[90-Day Supply]

NatureWise$17.21328 rev

1y ago

Now Supplements Mega D-3 & MK-7 5000 IU / 180 mcg Bone & Cardiovascular Support* Vitamins K-3 & K-2 180 Capsules

NOW Foods$39.19283 rev

2y ago

Now Supplements Vitamin D3 K2 1 000 IU/45 mcg Cardiovascular Support Supports Bone Health 180 Vegetarian Capsules - Vegan Gluten Free Kosher

NOW Foods$17.63802 rev

2y ago

What reviews say buyers love and hate about now vitamin d3 k2

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

What buyers love

Quality-Overall24%

“Reliable quality”

Vitamin20%

“Great with daily vitamin combination”

Ease Of Chewing/Swallowing7%

“absolutely no problem to swallow whatsoever”

Ease Of Use5%

“easy to use”

Value For Money4%

“Affordable”

Nutritional Content4%

“so I like keeping this in my routine consistently”

Dosage3%

“The dosage is strong”

Advertised Vs Actual Product3%

“As advertised”

Efficiency3%

“Really has helped my dog”

Immunity Booster2%

“supports immunity”

What buyers complain about

Vitamin10%

“Vitamin d levels came back so low it was concerning”

Allergies7%

“Allergic reactions”

Quality-Overall6%

“The reviews complaining about clear vs cloudy pills are making me crazy”

Size-Overall5%

“The capsules are genuinely smaller than most”

Joint Pain5%

“More joint pain”

Ingredients-Overall5%

“This stuff contains other ingredients that arent great”

Dosage4%

“We were expecting a much more noticeable change given the dosage and consistency”

Advertised Vs Actual Product4%

“lie picture”

Color3%

“The pills are all different shades of color”

Calcium2%

“Vitamin D should never be used unless k2 is also with it to balance out the calcium in the body”

Top return reasons

Vitamin40%

Value For Money40%

Heart Health20%

Common now vitamin d3 k2 questions

Is now vitamin d3 k2 profitable to sell on Amazon United States?: The niche generates $606K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Skip it (45/100).
How competitive is the now vitamin d3 k2 niche?: 2 brands and 28 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in now vitamin d3 k2?: Top complaints mined from reviews: Vitamin, Allergies, Quality-Overall. The return rate is 0.0%.
When does demand for now vitamin d3 k2 peak?: Demand peaks in Jan–Nov–Dec; the busiest month runs 3.7× the quietest.
What does it cost to enter the now vitamin d3 k2 niche?: Listings span $8.71–$39.19; the average listing price is $18.89 (sweet spot $15–$100). The average incumbent carries 3,495 reviews — the moat a new listing must climb.