Kirkland B12
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$37.71avg listing price — sweet spot $15–$100
Price range
Incredible$22.95–$45.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great10.1%search→purchase rate — share of searches ending in a sale
Review moat
Great304avg incumbent reviews — the moat a new listing must climb
Growth
Bad-5.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$50K$50K/yr · 13K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Is kirkland b12 profitable on Amazon?
According to Flapen's Amazon United States niche tracking, kirkland b12 is a $50K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
kirkland b12 market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–2K
- avg 250–500/product
- Revenue / yr
- $57K–$75K
- units × avg price
- Conversion rate
- 10.1%
- Avg BSR
- #369
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 0%
- Out of stock
- 0.0%
- Avg brand age
- 111 months
- Avg seller age
- 167 days
Competition: brands, sellers & click share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
1 falling
Sellers
57
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- KIRKLAND100%
kirkland b12 demand & seasonality
Weekly Amazon search volume, last 102 weeks — -5.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top kirkland b12 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 3 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Newest
by launch dateWhat reviews say buyers love and hate about kirkland b12
What buyers praise and complain about, mined from review topics.What buyers love
“tablets are my go-to Vitamin B-12 supplement”
“Good value”
“great product”
“Quick dissolve”
“Quick dissolving, good for you and I like the flavor”
“The B-12 tablet tastes the same”
“They have helped alleviate depression and fatigue”
“Product is as described”
“This is the healthier and natural form”
“Super sweet with no kick”
What buyers complain about
“Doesn't taste like any cherry I've ever chewed before --- just saying”
“Turns red as it melts”
“could not tell any increase in energy which I why I purchased them”
Common kirkland b12 questions
- Is kirkland b12 profitable to sell on Amazon United States?
- The niche generates $50K/yr across 3 tracked products. 90-day search growth is -5.3%. Flapen's verdict: Skip it (39/100).
- How competitive is the kirkland b12 niche?
- 1 brands and 57 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in kirkland b12?
- Top complaints mined from reviews: Taste-Overall, Color, Energy Level. The return rate is 0.0%.
- When does demand for kirkland b12 peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the kirkland b12 niche?
- Listings span $22.95–$45.91; the average listing price is $37.71 (sweet spot $15–$100). The average incumbent carries 304 reviews — the moat a new listing must climb.