Vitamin B9
FailDemand is soft, at -7.5% this quarter, so Vitamin B9 is a Fail.
- Flapen Score
- 48 / 100Ranks 7,720 of 14,768 Health & Household niches · −1 vs the category median of 4948
- Market size
- $274K/yr197K searches / yr
- 90-day growth
- -7.5%search demand this quarter
- Competition
- 72%top-5 click share · 13 brands · 93 sellers
Flapen Score
Vitamin B9 against its category
The dotted line is the Health & Household average. Past it, Vitamin B9 is stronger. Inside it, weaker.
Market
The Vitamin B9 market on Amazon at a glance
Shoppers on Amazon United States searched for Vitamin B9 197K times last year and spent an estimated $274K. The top 5 brands take 76% of clicks. Demand peaks in Sep. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 7.9% of those searches ended in a purchase.
Shoppers searched for this 197K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.9% of those searches ended in a purchase. Searches in the last 90 days moved -7.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $274K a year.
- Searches, last 12 months
- 197K
- Growth, 90 days vs prior 90
- -7.5%
- Conversion, latest week
- 7.9%
- Market size, estimated
- $274Ka year
- Peak month
- September2.9× the quietest month
- Top search term
- vitamin b951K searches a year
02 · Price
A sale here is worth $17.52.
Listings sell for $17.52 on average, from $5.18 to $70.28. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 1,000 to 1,250 of them. At $17.52 that is $18K to $22K a year per listing.
- Average price
- $17.52inside the $15 to $100 sweet spot
- Price range
- $5.18–$70.28
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $18K–$22K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
76% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #135 within Vitamin B. It carries 12,051 reviews at 4.66 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 76%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #135in Vitamin B
- Average rating
- 4.66 starsAmazon United States average 4.42 stars
- Average reviews
- 12,051per listing
- Listings tracked
- 17
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 83 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 83 months
Products
Top Vitamin B9 products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Nutricost Folic Acid (Vitamin B9) 1000 mcg 240 Capsules
- Price
- $12.37
- Rating
- 4.7/5
- Reviews
- 15,265
- Age
- 10y ago

Nature Made Folic Acid 400 mcg (665 mcg DFE) 250 Tablets
- Price
- $5.18
- Rating
- 4.8/5
- Reviews
- 29,982
- Age
- 27y ago

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health Fetal Development Nerve Health Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 1mg
- Price
- $23.88
- Rating
- 4.7/5
- Reviews
- 4,081
- Age
- 18y ago

L Methyl Folate 15mg Plus Methyl B12 Cofactor High Potency Active 5-MTHF Form - Supports Mood Methylation Cognition Bioactive Forms of Vitamin B9 & B12 (60 Capsules 60 Servings)
- Price
- $21.67
- Rating
- 4.6/5
- Reviews
- 9,407
- Age
- 5y ago

Vitamatic Folic Acid 1000 mcg (1 mg) 240 Vegetarian Tablets | Vitamin B9
- Price
- $9.70
- Rating
- 4.8/5
- Reviews
- 8,348
- Age
- 5y ago
Trending
estimated 90-day click momentum
BulkSupplements.com Folic Acid Softgels - Vitamin B9 Folic Acid 1000 mcg Folate Supplement - Gluten Free 1 Softgel per Serving 365 Count (Pack of 1)
- Price
- $20.35
- Rating
- 4.6/5
- Reviews
- 131
- Age
- 2y ago

Pure Encapsulations - Folate 5 000 - Activated Vitamin B9 as 5-Methyltetrahydrofolate (5-MTHF) - 60 Capsules
- Price
- $70.28
- Rating
- 4.3/5
- Reviews
- 48
- Age
- 9y ago

Herb-Science Liquid Vitamin B9 Folic Acid Drops Alcohol-Free 1 Oz
- Price
- $22.14
- Rating
- 4.6/5
- Reviews
- 273
- Age
- 8y ago

L Methyl Folate 15mg Plus Methyl B12 Cofactor Organic Berry Flavor High Potency Liquid Sublingual Active 5-MTHF Form - Supports Mood Methylation Cognition Bioactive Forms Vitamin B9 & B12 (1oz)
- Price
- $21.87
- Rating
- 4.5/5
- Reviews
- 5,924
- Age
- 4y ago

Jarrow Formulas Methyl B-12 & Methyl Folate Bioactive Vitamin B9 and Vitamin B12 Supplement Supports Cellular Energy Production Healthy Brain Function & Metabolism 60 Chewable Tablets 60 Servings
- Price
- $28.54
- Rating
- 4.7/5
- Reviews
- 2,592
- Age
- 11y ago
Newest
by launch date
Bronson Super B Vitamin B Complex Sustained Release for Energy 60 Tablets
- Price
- $10.00
- Rating
- 4.6/5
- Reviews
- 9,428
- Age
- 2y ago

BulkSupplements.com Folic Acid Softgels - Vitamin B9 Folic Acid 1000 mcg Folate Supplement - Gluten Free 1 Softgel per Serving 365 Count (Pack of 1)
- Price
- $20.35
- Rating
- 4.6/5
- Reviews
- 131
- Age
- 2y ago

L Methyl Folate 15mg Plus Methyl B12 Cofactor Organic Berry Flavor High Potency Liquid Sublingual Active 5-MTHF Form - Supports Mood Methylation Cognition Bioactive Forms Vitamin B9 & B12 (1oz)
- Price
- $21.87
- Rating
- 4.5/5
- Reviews
- 5,924
- Age
- 4y ago

Vitamatic Folic Acid 1000 mcg (1 mg) 240 Vegetarian Tablets | Vitamin B9
- Price
- $9.70
- Rating
- 4.8/5
- Reviews
- 8,348
- Age
- 5y ago

L Methyl Folate 15mg Plus Methyl B12 Cofactor High Potency Active 5-MTHF Form - Supports Mood Methylation Cognition Bioactive Forms of Vitamin B9 & B12 (60 Capsules 60 Servings)
- Price
- $21.67
- Rating
- 4.6/5
- Reviews
- 9,407
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 72% of clicks. A locked shelf that new listings rarely crack.
Brands
13 flat
Sellers
93
Est. top-5 brand share
76%
Top 20: 100%
Est. top-5 click share
72%
Top 20: 100%
Open market
18%
- Nutricost27%
- Nature Made25%
- Triquetra Health9%
- THORNE9%
- Vitamatic6%
- NOW Foods5%
Demand
Vitamin B9 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep · busiest ÷ quietest = 2.9×
Search terms
Top Vitamin B9 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- vitamin b951K/yr
- b9 vitamin39K/yr
- vitamin b9 folic acid11K/yr
- vitamin b9 folate9K/yr
- folate b98K/yr
- vitamina b96K/yr
- vitamin b9 (folic acid) supplements4K/yr
- b9 folate supplement4K/yr
- vitamin b 93K/yr
- b9 vitamins for women4K/yr
Reviews and returns
What reviews say buyers love and hate about Vitamin B9
We read the reviews and the return reasons for every product selling here.
“Must be too high of a dose for me”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Vitamin B9 questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









