b12 250 mcg
Skip itA small market ($67K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible12.4%search→purchase rate — share of searches ending in a sale
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Price range
Okay$5.33–$23.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$10.87avg listing price — sweet spot $15–$100
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Growth
Okay+8.6%90-day search growth — must beat 0% to launch
Review moat
Okay3,386avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$67K$67K/yr · 50K searches
According to Flapen's Amazon United States niche tracking, b12 250 mcg is a $67K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 48/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
b12 250 mcg market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $65K–$87K
- units × avg price
- Conversion rate
- 12.4%
- Avg BSR
- #379
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 63%
- Out of stock
- 3.3%
- Avg brand age
- 110 months
- Avg seller age
- 152 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
66
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
50%
Top 20: 100%
Open market
13%
- Carlyle26%
- MASON NATURAL22%
- Nature's Blend17%
- Nature Made10%
- Nature's Bounty8%
- Life Extension4%
- Open — no brand owns it (4 brands, 13%)
Demand
Weekly Amazon search volume, last 22 weeks — +8.6% search growth over the last 90 days.Top b12 250 mcg search terms
- b12 250 mcg11K/yr
- b12 100 mcg10K/yr
- vitamin b12 100 mcg8K/yr
- vitamin b12 250 mcg7K/yr
- b12 low dose4K/yr
- b12 100mcg3K/yr
- vitamin b12 50 mcg3K/yr
- b12 50 mcg3K/yr
Top b12 250 mcg 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Carlyle Vitamin B12 100mcg | 200 Tablets | Essential Vitamin Supplement
Carlyle$7.024.7★455 rev
Mason Vitamins Mason B 12 250mcg Tablets
MASON NATURAL$8.694.5★104 rev
NAT B Vitamin B-12 TB 100MCG 100
Nature's Blend$8.024.7★145 rev
Natures Blend NAT B Vitamin B12 TB 100 Count
Nature's Blend$8.554.6★328 rev
Mason Vitamins Mason Vitamin B 12 250mcg Tablets
MASON NATURAL$7.574.6★232 rev
Newest
by launch dateCarlyle Vitamin B12 100mcg | 200 Tablets | Essential Vitamin Supplement
Carlyle$7.02455 rev
MASON NATURAL Vitamin B12 50 mcg with Calcium 300 Day Supply
MASON NATURAL$13.29121 rev
Natures Bounty Vitamin B12 Gummies Dietary Supplement Supports Energy Metabolism and Nervous System Health Mixed Berry Flavor 500mcg 90 Gummies
Nature's Bounty$17.91908 rev
Nature Made Vitamin B12 500 mcg Dietary Supplement for Energy Metabolism Support B12 Vitamins 500 mcg 100 Tablets 100 Day Supply
Nature Made$9.1517,365 rev
Natures Blend Vitamin B12 100 mcg Tablets - 100 ct Pack of 2
Nature's Blend$13.30409 rev
Trending
90-day click momentumNatures Bounty Vitamin B12 Gummies Dietary Supplement Supports Energy Metabolism and Nervous System Health Mixed Berry Flavor 500mcg 90 Gummies
Nature's Bounty$17.914.6★
NAT B Vitamin B-12 TB 100MCG 100
Nature's Blend$8.024.7★
Mason Vitamins Mason B 12 250mcg Tablets
MASON NATURAL$8.694.5★
Life Extension Vitamin B12 Methylcobalamin 500mcg - Vitamin B12 Supplement for General Energy and Brain Health - Sugar Free Vegetarian Lozenges Dissolve in Your Mouth - Once Daily - 100 Count
Life Extension$6.264.7★
MASON NATURAL Vitamin B12 50 mcg with Calcium 100 Day Supply
MASON NATURAL$8.204.7★
What buyers say about b12 250 mcg
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality in this supplement”
“Very affordable”
“Great vitamin”
“Works as advertised”
“Amazing energy boost”
“Effective”
“They are easy to use”
“pretty much swallow them”
“No odor or aftertaste”
“I actually feel a substantial effect about a half hour after taking which lasts many hours”
What buyers complain about
“Slow to dissolve”
“I think I've isolated the taste to a fake coconut flavor”
“It is an over hyped supplement”
“I was sick of taking ones that you dissolve under the tongue”
“Poor quality has chemicals added that Im allergic to”
“Ordered a cheaper brand”
“who don't absorb enough”
“I've been getting these for years because it's hard to find B12 in low amounts such as 50 mcg”
“I had to stop taking them, though, because I was overdosing on the B12, which was causing my back to break out terribly with cystic acne”
“I choked down a couple by chewing”
Top return reasons
Common questions
- Is b12 250 mcg profitable to sell on Amazon United States?
- The niche generates $67K/yr across 19 tracked products. 90-day search growth is +8.6%. Flapen's verdict: Skip it (48/100).
- How competitive is the b12 250 mcg niche?
- 10 brands and 66 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in b12 250 mcg?
- Top complaints mined from reviews: Solubility, Taste-Overall, Vitamin. The return rate is 0.0%.
- What does it cost to enter the b12 250 mcg niche?
- Listings span $5.33–$23.94; the average listing price is $10.87 (sweet spot $15–$100). The average incumbent carries 3,386 reviews — the moat a new listing must climb.