vitamin b complex
Worth a lookShows a $15.3M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size
Incredible$15.3M$15.3M/yr · 6.5M searches
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible13.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$18.20avg listing price — sweet spot $15–$100
Brand share
Good61%top-5 brand share — brands hold most of the demand
Price range
Good$5.70–$41.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-10.1%90-day search growth — must beat 0% to launch
Review moat
Bad12,954.41avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, vitamin b complex is a $15.3M/yr Amazon United States market (6.5M searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Jan. Verdict: Worth a look — 65/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
vitamin b complex market data
- Units sold / yr
- 800K–1.0M
- avg 30,000–40,000/product
- Revenue / yr
- $14.6M–$18.2M
- units × avg price
- Conversion rate
- 13.0%
- Avg BSR
- #68
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 0.0%
- Avg brand age
- 77 months
- Avg seller age
- 143 days
Competition & brand share
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.Brands
22 rising
Sellers
214
Top-5 brand share
61%
Top 20: 98%
Top-5 click share
48%
Top 20: 87%
Open market
34%
- Nature Made24%
- Nature's Bounty16%
- Pure Encapsulations8%
- NatureWise6%
- NUTRAHARMONY6%
- Bronson6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -10.1% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 16.1×
Top vitamin b complex search terms
- vitamin b complex1.7M/yr
- b complex1.1M/yr
- b complex vitamins684K/yr
- vitamin b600K/yr
- b complex vitamins for women399K/yr
- vitamin b complex for women236K/yr
- b vitamins214K/yr
- super b complex203K/yr
- complejo b189K/yr
- b complex vitamins for men155K/yr
Top vitamin b complex 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Natures Bounty Super B Complex Vitamins with Vitamin C & Folic Acid Vitamins for Immune & Cellular Energy Support 150 Tablets
Nature's Bounty$10.284.7★60,067 rev

Nature Made Super B Complex with Vitamin C & Folic Acid 140 Tablets
Nature Made$9.634.7★43,424 rev

Life Extension BioActive Complete B-Complex Heart Brain and Nerve Support Healthy Energy Metabolism Complete B Complex 60 Vegetarian Capsules
Life Extension$8.434.6★10,061 rev
![NatureWise Vitamin B Complex for Women and Men - with Folic Acid Biotin B1 B2 B3 B6 B12 - Support Cellular Energy & Mental Clarity - Gluten & Dairy Free - 60 Softgels[2-Month Supply]](https://m.media-amazon.com/images/I/41OeDJKrNhL.jpg)
NatureWise Vitamin B Complex for Women and Men - with Folic Acid Biotin B1 B2 B3 B6 B12 - Support Cellular Energy & Mental Clarity - Gluten & Dairy Free - 60 Softgels[2-Month Supply]
NatureWise$5.704.5★5,255 rev

Nutricost High Potency Vitamin B Complex 462mg 120 Capsules
Nutricost$14.714.7★6,599 rev
Newest
by launch date
Nature Made Vitamin B Complex Gummies 60 Pectin Based Gummies
Nature Made$13.92183 rev

BioActive Vitamin B Complex - Blood Stream Ready Methylated B Complex - Featuring Methylfolate 3 BioActive Forms of B12 BenfoPure B1 & Pantesin B5 - 12 B Vitamins in Clinical Doses - 60 Servings
Triquetra Health$22.081,719 rev

Micro Ingredients Pure Methylated B Complex 240 Capsules | 11-in-1 Formula with Methylfolate B12 Thiamin Inositol Choline & Fat Soluble Vitamin C | Clean Ingredients Without Fillers | Non-GMO
Micro Ingredients$24.651,488 rev

Sports Research Vitamin B-Complex 120 Count Plantgels
Sports Research$24.042,097 rev

Bronson Super B Vitamin B Complex Sustained Release for Energy 60 Tablets
Bronson$10.009,428 rev
Trending
90-day click momentum
Nature Made Vitamin B Complex Gummies 60 Pectin Based Gummies
Nature Made$13.924.6★

Nature Made Super B Complex with Vitamin C & Folic Acid 360 Tablets
Nature Made$21.684.7★

NUSAVA (2 Pack) Vitamin B12 Liquid Drops with B6 B1 Niacin & Folate B12 Sublingual Vitamin B Complex Methylcobalamin 5000 mcg for Energy Brain & Heart Support Raspberry Flavor 80 Servings
NUSAVA$25.044.5★

Sports Research Vitamin B-Complex 120 Count Plantgels
Sports Research$24.044.8★

Integrative Therapeutics Active B-Complex - Cellular Energy & Heart Health Support with Vitamins B2 B6 & B12* - Supports Nervous & Immune Systems* - Third-Party Tested - 60 Capsules (30 Servings)
Integrative Therapeutics$17.554.6★
What buyers say about vitamin b complex
What buyers praise and complain about, mined from review topics.What buyers love
“Best Vitamins”
“Great quality, exactly as described, and arrived on time”
“GREAT ENERGY”
“Doesn't taste bad”
“Money well spent”
“As advertised”
“seems effective”
“Great use every day”
“Not hard to swallow”
“Delicious protein coffee”
What buyers complain about
“Doesnt taste very good”
“Bad Odor”
“These vitamins are disgusting”
“Dangerously too high of dosage”
“I couldn't take it made me nauseous”
“No difference in energy”
“Not effective”
“Maybe Allergic to some”
“Niacinamide which is b3 on this form is purely poison”
“Definitely a quality control issue”
Top return reasons
Common questions
- Is vitamin b complex profitable to sell on Amazon United States?
- The niche generates $15.3M/yr across 32 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.1%. Flapen's verdict: Worth a look (65/100).
- How competitive is the vitamin b complex niche?
- 22 brands and 214 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 61% of demand.
- What do buyers complain about in vitamin b complex?
- Top complaints mined from reviews: Taste-Overall, Smell, Vitamin. The return rate is 0.0%.
- When does demand for vitamin b complex peak?
- Demand peaks in Jan; the busiest month runs 16.1× the quietest.
- What does it cost to enter the vitamin b complex niche?
- Listings span $5.70–$41.80; the average listing price is $18.20 (sweet spot $15–$100). The average incumbent carries 12,954 reviews — the moat a new listing must climb.