Vitamin B1
MaybeAn estimated 0.0% of orders come back. But the products selling today already average 4.6★, so Vitamin B1 is a Maybe.
- Flapen Score
- 60 / 100Top 11% of 14,768 Health & Household niches · +11 vs the category median of 4960
- Market size
- $4.3M/yr1.7M searches / yr
- 90-day growth
- -1.9%search demand this quarter
- Competition
- 67%top-5 click share · 18 brands · 43 sellers
Flapen Score
Vitamin B1 against its category
The dotted line is the Health & Household average. Past it, Vitamin B1 is stronger. Inside it, weaker.
Market
The Vitamin B1 market on Amazon at a glance
Shoppers on Amazon United States searched for Vitamin B1 1.7M times last year and spent an estimated $4.3M. The top 5 brands take 72% of clicks. Flapen scores it 60 out of 100, a Maybe.
01 · Demand
An estimated 13.4% of those searches ended in a purchase.
Shoppers searched for this 1.7M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.4% of those searches ended in a purchase. Searches in the last 90 days moved -1.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4.3M a year.
- Searches, last 12 months
- 1.7M
- Growth, 90 days vs prior 90
- -1.9%
- Conversion, latest week
- 13.4%
- Market size, estimated
- $4.3Ma year
- Peak month
- March1.5× the quietest month
- Top search term
- vitamin b1536K searches a year
02 · Price
A sale here is worth $18.49.
Listings sell for $18.49 on average, from $5.44 to $56.44. Amazon reports units sold in ranges. This niche sold 250K to 300K a year. The average listing sells 12,500 to 15,000 of them. At $18.49 that is $231K to $277K a year per listing.
- Average price
- $18.49inside the $15 to $100 sweet spot
- Price range
- $5.44–$56.44
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 250K–300K
- Units per listing a year
- 12,500–15,000
- Revenue per listing a year
- $231K–$277K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
90% 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 #104 within Vitamin B. It carries 3,537 reviews at 4.64 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 90%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #104in Vitamin B
- Average rating
- 4.64 starsAmazon United States average 4.42 stars
- Average reviews
- 3,537per listing
- Listings tracked
- 21
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 76 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
- 76 months
Products
Top Vitamin B1 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 Vitamin B1 (Thiamine) 500mg 120 Capsules
- Price
- $14.86
- Rating
- 4.7/5
- Reviews
- 11,430
- Age
- 10y ago

Nature Made Vitamin B1 100mg Tablets 100 Tablets
- Price
- $6.43
- Rating
- 4.7/5
- Reviews
- 19,487
- Age
- 18y ago

NOW Foods Supplements Vitamin B-1 100 mg Energy Production* Nervous System Health* 100 Tablets
- Price
- $5.44
- Rating
- 4.7/5
- Reviews
- 9,728
- Age
- 20y ago

Nutricost Vitamin B1 (Thiamine) 100mg 120 Capsules Gluten Free
- Price
- $9.85
- Rating
- 4.7/5
- Reviews
- 6,107
- Age
- 7y ago

Dr. Berg Natural Vitamin B1 B6 B12 Complex - Allithiamine Vitamin B1 Supplement with 8 Essential Vitamin B Complex for Men & Women Including Thiamin Niacin Folate Magnesium & More - 60 Capsules
- Price
- $25.92
- Rating
- 4.7/5
- Reviews
- 4,061
- Age
- 2y ago
Trending
estimated 90-day click momentum
Benfotiamine 300mg Servings (Third Party Tested 120 Capsules 150mg Per Cap) Non-GMO to Boost Thiamine B1 Levels (More Absorbable Than Thiamine Fat Soluble) by Double Wood
- Price
- $19.42
- Rating
- 4.7/5
- Reviews
- 1,241
- Age
- 4y ago

Vitamatic Vitamin B1 (As Thiamine Mononitrate) 100mg 250 Vegetarian Tablets Supports Energy Production Nervous System Function & Heart Health*
- Price
- $9.80
- Rating
- 4.8/5
- Reviews
- 738
- Age
- 5y ago

Life Extension Benfotiamine with Thiamine 100 mg benfotiamine Cardiovascular Health Brain Health Non-GMO Gluten-Free 120 Vegetarian Capsules
- Price
- $14.00
- Rating
- 4.6/5
- Reviews
- 1,297
- Age
- 19y ago

NOW Foods Supplements Vitamin B-1 100 mg Energy Production* Nervous System Health* 100 Tablets
- Price
- $5.44
- Rating
- 4.7/5
- Reviews
- 9,728
- Age
- 20y ago

kindnature Vitamin B1 Gummies 500mg High Potency Thiamine Supplement for Energy Focus & Nervous System Vegan Non-GMO Chewable B1 Vitamins for Adults & Kids Natural Strawberry Flavor 60 Ct
- Price
- $21.70
- Rating
- 4.5/5
- Reviews
- 531
- Age
- 3y ago
Newest
by launch date
Micro Ingredients Vitamin B1 Thiamine 500mg Per Serving 240 Softgels
- Price
- $23.86
- Rating
- 4.5/5
- Reviews
- 288
- Age
- 1y ago

Vykee Nutrition Vitamin B1 (Thiamine) Capsules 500 mg
- Price
- $22.52
- Rating
- 4.6/5
- Reviews
- 348
- Age
- 1y ago

Bronson Vitamin B1 Extra Strength 500 MG High Potency Non-GMO 60 Capsules
- Price
- $9.99
- Rating
- 4.7/5
- Reviews
- 1,239
- Age
- 2y ago

BulkSupplements.com Thiamine HCl Capsules - Thiamine Hydrochloride Vitamin B1 Supplements - Gluten Free 1 Capsule per Serving 500 Count (Pack of 1)
- Price
- $18.98
- Rating
- 4.7/5
- Reviews
- 251
- Age
- 2y ago

Dr. Berg Natural Vitamin B1 B6 B12 Complex - Allithiamine Vitamin B1 Supplement with 8 Essential Vitamin B Complex for Men & Women Including Thiamin Niacin Folate Magnesium & More - 60 Capsules
- Price
- $25.92
- Rating
- 4.7/5
- Reviews
- 4,061
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 67% of clicks. Leaders hold, but buyers still shop past them.
Brands
18 rising
Sellers
43
Est. top-5 brand share
72%
Top 20: 100%
Est. top-5 click share
67%
Top 20: 99%
Open market
24%
- Nutricost26%
- Nature Made17%
- NOW Foods16%
- Dr. Berg Nutritionals9%
- Micro Ingredients5%
- Vitamatic4%
Demand
Vitamin B1 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Vitamin B1 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- vitamin b1536K/yr
- thiamine b1 supplement157K/yr
- thiamine156K/yr
- b1 vitamin145K/yr
- vitamina b148K/yr
- vit b137K/yr
- b1 thiamine27K/yr
- b 127K/yr
- b1 vitamins30K/yr
- vitamin b 123K/yr
Reviews and returns
What reviews say buyers love and hate about Vitamin B1
We read the reviews and the return reasons for every product selling here.
“Did not like the taste”
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.
18 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 B1 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









