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47

5 mthf plus b12

Skip it

A small market ($37K/yr) — this niche doesn't clear our bar today.

Market size 9Growth 54Conversion 90Competition 25Returns 100Price range 91Avg price 95Brand share 16Review moat 36Quality gap 23

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$27.51

avg listing price — sweet spot $15–$100

Price range

Great$11.10–$88.17

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

Conversion

Great10.8%

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

Growth

Good+26.3%

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

Review moat

Okay2,883.08

avg incumbent reviews — the moat a new listing must climb

Competition

Bad71%

top-5 click share — a locked-up shelf

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Brand share

Bad94%

top-5 brand share — brand-locked demand

Market size

Bad$37K

$37K/yr · 12K searches

According to Flapen's Amazon United States niche tracking, 5 mthf plus b12 is a $37K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Skip it — 47/100.

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

5 mthf plus b12 market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$41K–$55K
units × avg price
Conversion rate
10.8%
Avg BSR
#82
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
67 months
Avg seller age
167 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

534

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

4%

  • Triquetra Health58%
  • Designs for Health16%
  • Nutricost10%
  • THORNE5%
  • Vocks4%
  • Pure Encapsulations3%
  • Open — no brand owns it (2 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 98 weeks — +26.3% search growth over the last 90 days.
3K2KSpike '24Holiday '24Spike '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 5.9×

Top 5 mthf plus b12 search terms

  • 5mthf supplement plus b127K/yr
  • l-5-mthf4K/yr
  • methylated folic acid and b122K/yr
All search terms

Top 5 mthf plus 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.

0%10%$4K20%$7K30%$11K40%$15K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about 5 mthf plus b12

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

What buyers love

Quality-Overall17%

“Quality and ease of use”

Taste-Overall9%

“Doesnt taste bad”

Vitamin9%

“Natural vitamin”

Focus Enhancement7%

“helps with focus”

Energy Level7%

“Lots of Energy”

Efficiency6%

“Effective”

Advertised Vs Actual Product5%

“Just as advertised”

Value For Money4%

“Good value”

Ease Of Use3%

“Easy to use”

Dosage3%

“Easy dosages”

What buyers complain about

Functionality-Overall10%

“Doesn't do anything”

Side Effects9%

“had some strange side effects”

Dosage8%

“The dose on this is a little too high”

Taste-Overall6%

“It tastes terrible”

Vitamin4%

“Way too much Vitamin B9 and B12”

Quality-Overall4%

“Its not as good as they make it seem”

Value For Money3%

“A bit expensive”

Sleep Quality3%

“I also couldnt sleep”

Advertised Vs Actual Product2%

“The advertisements are misleading”

Stress/Anxiety2%

“Seemed to cause anxiety”

Top return reasons

Dosage26%
Functionality-Overall17%
Advertised Vs Actual Product9%
Value For Money9%
Natural Ingredients7%
Product Condition4%
Quality-Overall4%
Side Effects4%
Calcium4%
Vegan/Organic4%

Common questions

Is 5 mthf plus b12 profitable to sell on Amazon United States?
The niche generates $37K/yr across 13 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +26.3%. Flapen's verdict: Skip it (47/100).
How competitive is the 5 mthf plus b12 niche?
8 brands and 534 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in 5 mthf plus b12?
Top complaints mined from reviews: Functionality-Overall, Side Effects, Dosage. The return rate is 0.0%.
When does demand for 5 mthf plus b12 peak?
Demand peaks in Jan–Feb–Dec; the busiest month runs 5.9× the quietest.
What does it cost to enter the 5 mthf plus b12 niche?
Listings span $11.10–$88.17; the average listing price is $27.51 (sweet spot $15–$100). The average incumbent carries 2,883 reviews — the moat a new listing must climb.