No Doz
Worth a lookShows searches that convert (20.8% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Conversion
Incredible20.8%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Good$14.11avg listing price — sweet spot $15–$100
Market size
Good$560K$560K/yr · 191K searches
Growth
Good+25.2%90-day search growth — must beat 0% to launch
Price range
Good$4.55–$26.08cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad4,245.42avg incumbent reviews — the moat a new listing must climb
Competition
Bad78%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Is no doz profitable on Amazon?
According to Flapen's Amazon United States niche tracking, no doz is a $560K/yr Amazon United States market (191K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
no doz market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 40K–50K
- avg 4,000–5,000/product
- Revenue / yr
- $564K–$706K
- units × avg price
- Conversion rate
- 20.8%
- Avg BSR
- #396
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 83%
- Out of stock
- 0.0%
- Avg brand age
- 57 months
- Avg seller age
- 158 days
Competition: brands, sellers & click share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
63
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
0%
- Vivarin55%
- NoDoz40%
- Nutricost3%
- Jet-Alert2%
- Open — no brand owns it (0%)
no doz demand & seasonality
Weekly Amazon search volume, last 101 weeks — +25.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top no doz search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- vivarin42K/yr
- no doze caffeine pills 200mg20K/yr
- no doz22K/yr
- nodoz19K/yr
- vivarin 200 mg tablets 40-count 2 pack8K/yr
- no doze14K/yr
- vivarin caffeine pills19K/yr
- nodoz caffeine pills 200mg9K/yr
- energy pills like adderall5K/yr
- no doze caffeine pills 500mg extra strength3K/yr
Top no doz products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NoDoz 200mg Caffeine Pills Maximum Strength 120 Caplets total
NoDoz$18.304.6★3,928 rev

Vivarin Smooth Energy Extended Release Caffeine Tablets 200mg Focus Alertness & Mental Clarity Non-Habit Forming Energy Supplement Sugar & Calorie Free 40 Count
Vivarin$9.754.3★276 rev

Vivarin Caffeine Pills 200mg Caffeine per Dose Safely and Effectively Helps You Stay Awake No Sugar Calories or Hidden Ingredients Energy Supplement 40 Tablets
Vivarin$8.284.5★4,727 rev

NoDoz 200mg Caffeine Pills Maximum Strength 60 Caplets Total
NoDoz$11.454.6★669 rev

Vivarin Caffeine Pills 200mg Caffeine per Dose Safely and Effectively Helps You Stay Awake No Sugar Calories or Hidden Ingredients Energy Supplement 16 Tablets Pack of 6
Vivarin$18.754.7★83 rev
Newest
by launch date
Vivarin Smooth Energy Extended Release Caffeine Tablets 200mg Focus Alertness & Mental Clarity Non-Habit Forming Energy Supplement Sugar & Calorie Free 40 Count
Vivarin$9.75276 rev

Vivarin Caffeine Pills 200mg Caffeine per Dose Safely and Effectively Helps You Stay Awake No Sugar Calories or Hidden Ingredients Energy Supplement 16 Tablets Pack of 6
Vivarin$18.7583 rev

NoDoz 200mg Caffeine Pills Maximum Strength 60 Caplets Total
NoDoz$11.45669 rev

Vivarin Brand Alertness Aid 40 Tablets (Pack of 4)
Vivarin$26.08179 rev

Vivarin Caffeine Pills 200mg Caffeine per Dose Safely and Effectively Helps You Stay Awake No Sugar Calories or Hidden Ingredients Energy Supplement 20 Count Pack of 2
Vivarin$15.82743 rev
Trending
90-day click momentum
Vivarin Smooth Energy Extended Release Caffeine Tablets 200mg Focus Alertness & Mental Clarity Non-Habit Forming Energy Supplement Sugar & Calorie Free 40 Count
Vivarin$9.754.3★

Vivarin Caffeine Pills 200mg Caffeine per Dose Safely and Effectively Helps You Stay Awake No Sugar Calories or Hidden Ingredients Energy Supplement 16 Tablets Pack of 6
Vivarin$18.754.7★

Jet-Alert 100 MG Each Caffeine Tab 120 Count
Jet-Alert$5.964.6★

Vivarin Caffeine Pills 200mg Caffeine per Dose Safely and Effectively Helps You Stay Awake No Sugar Calories or Hidden Ingredients Energy Supplement 20 Count Pack of 2
Vivarin$15.824.7★

Vivarin Brand Alertness Aid 40 Tablets (Pack of 4)
Vivarin$26.084.8★
What reviews say buyers love and hate about no doz
What buyers praise and complain about, mined from review topics.What buyers love
“Good boost of energy”
“much cheaper”
“Good quality”
“Perfect caffeine tablet”
“Accurate description”
“they have always been effective”
“Super Helpful”
“Keeps you awake~”
“What truly impresses me about these capsules is the sheer precision of the dosage”
“I feel like when I take this I can focus better”
What buyers complain about
“Not effective”
“High dose though”
“It actually made me sleepy”
“Do see a significant energy bump”
“Cheap, the powder itself tastes like death”
“Kinda insane how cheap this is”
“But getting it to fit can be a slight challenge”
“Extreme headache and nausea from this product”
“contains rics starch”
“gave me heartburn at gym”
Top return reasons
Common no doz questions
- Is no doz profitable to sell on Amazon United States?
- The niche generates $560K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +25.2%. Flapen's verdict: Worth a look (50/100).
- How competitive is the no doz niche?
- 4 brands and 63 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in no doz?
- Top complaints mined from reviews: Functionality-Overall, Dosage, Sleep Quality. The return rate is 0.0%.
- When does demand for no doz peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the no doz niche?
- Listings span $4.55–$26.08; the average listing price is $14.11 (sweet spot $15–$100). The average incumbent carries 4,245 reviews — the moat a new listing must climb.