Liquid Supplements
Worth a lookShows low returns (0.0%), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$45.43avg listing price — sweet spot $15–$100
Price range
Incredible$32.01–$88.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Market size
Great$1.0M$1.0M/yr · 411K searches
Conversion
Good5.4%search→purchase rate — share of searches ending in a sale
Review moat
Good1,474.6avg incumbent reviews — the moat a new listing must climb
Growth
Okay+5.1%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Is liquid supplements profitable on Amazon?
According to Flapen's Amazon United States niche tracking, liquid supplements is a $1.0M/yr Amazon United States market (411K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Jun–Jul. Verdict: Worth a look — 54/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
liquid supplements market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 20K–25K
- avg 2,000–2,500/product
- Revenue / yr
- $909K–$1.1M
- units × avg price
- Conversion rate
- 5.4%
- Avg BSR
- #313
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 4.6%
- Avg brand age
- 29 months
- Avg seller age
- 146 days
Competition: brands, sellers & click share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
50
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- HARMONÍA61%
- Zotreval18%
- Nature Aurora8%
- Nello7%
- oviaapo6%
liquid supplements demand & seasonality
Weekly Amazon search volume, last 101 weeks — +5.1% search growth over the last 90 days.Peak months: Feb, Jun, Jul · busiest ÷ quietest = 5.8×
Top liquid supplements search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- harmonia cortisol cocktail143K/yr
- harmonia44K/yr
- harmonia cortisol cocktail for weight loss53K/yr
- cortisol drink30K/yr
- cortisol cocktail26K/yr
- beneve cortisol cocktail16K/yr
- harmonia cortisol support9K/yr
- cortisol drink mix16K/yr
- harmonia cortisol drink12K/yr
- cortisol cocktail for weight loss14K/yr
Top liquid supplements 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 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Harmonia Cortisol Cocktail | Cortisol Supplements for Women & Men with Ashwagandha Magnesium & L-Theanine | Drink Harmonia for Stress Relief Weight Management & Sleep Support (1 Pack x 30 Servings)
HARMONÍA$88.703.9★253 rev
Zotreval Cortisol Cocktail Cortisol Support Supplement for Women with Ashwagandha Magnesium & L-Theanine Blend Daily Stress Support Relaxation Formula & Sleep Support 30 Servings
Zotreval$32.084.0★24 rev
Cortisol Drink Mix Powder with Magnesium Glycinate L-Theanine Ashwagandha & Vitamin For Relax Focus & Calm Natural Cortisol Supplement for Women and Men Orange Flavor 30 Sticks
Nature Aurora$32.014.3★37 rev
Nello Supercalm Powdered Drink Mix Cortisol Reducer and Sleep Aid Supplement L Theanine Ksm-66 Ashwagandha Magnesium Glycinate Vitamin D 3 No Sugar Non GMO On The Go 20 Ct Raspberry Lemonade
Nello$37.574.3★6,955 rev
Cortisol Drink Powder - Natural Cortisol Supplements for Ashwagandha L-Theanine Turmeric Root Black Pepper Extract Relaxation Focus Mental Clarity
oviaapo$36.773.9★104 rev
Newest
by launch dateZotreval Cortisol Cocktail Cortisol Support Supplement for Women with Ashwagandha Magnesium & L-Theanine Blend Daily Stress Support Relaxation Formula & Sleep Support 30 Servings
Zotreval$32.0824 rev
Harmonia Cortisol Cocktail | Cortisol Supplements for Women & Men with Ashwagandha Magnesium & L-Theanine | Drink Harmonia for Stress Relief Weight Management & Sleep Support (1 Pack x 30 Servings)
HARMONÍA$88.70253 rev
Cortisol Drink Mix Powder with Magnesium Glycinate L-Theanine Ashwagandha & Vitamin For Relax Focus & Calm Natural Cortisol Supplement for Women and Men Orange Flavor 30 Sticks
Nature Aurora$32.0137 rev
Cortisol Drink Powder - Natural Cortisol Supplements for Ashwagandha L-Theanine Turmeric Root Black Pepper Extract Relaxation Focus Mental Clarity
oviaapo$36.77104 rev
Nello Supercalm Powdered Drink Mix Cortisol Reducer and Sleep Aid Supplement L Theanine Ksm-66 Ashwagandha Magnesium Glycinate Vitamin D 3 No Sugar Non GMO On The Go 20 Ct Raspberry Lemonade
Nello$37.576,955 rev
Trending
90-day click momentumZotreval Cortisol Cocktail Cortisol Support Supplement for Women with Ashwagandha Magnesium & L-Theanine Blend Daily Stress Support Relaxation Formula & Sleep Support 30 Servings
Zotreval$32.084.0★
Cortisol Drink Mix Powder with Magnesium Glycinate L-Theanine Ashwagandha & Vitamin For Relax Focus & Calm Natural Cortisol Supplement for Women and Men Orange Flavor 30 Sticks
Nature Aurora$32.014.3★
Harmonia Cortisol Cocktail | Cortisol Supplements for Women & Men with Ashwagandha Magnesium & L-Theanine | Drink Harmonia for Stress Relief Weight Management & Sleep Support (1 Pack x 30 Servings)
HARMONÍA$88.703.9★
Nello Supercalm Powdered Drink Mix Cortisol Reducer and Sleep Aid Supplement L Theanine Ksm-66 Ashwagandha Magnesium Glycinate Vitamin D 3 No Sugar Non GMO On The Go 20 Ct Raspberry Lemonade
Nello$37.574.3★
Cortisol Drink Powder - Natural Cortisol Supplements for Ashwagandha L-Theanine Turmeric Root Black Pepper Extract Relaxation Focus Mental Clarity
oviaapo$36.773.9★
What reviews say buyers love and hate about liquid supplements
What buyers praise and complain about, mined from review topics.What buyers love
“Good taste”
“Better sleep”
“less anxiety overall”
“Delightful Orange flavor drink”
“Its very calming”
“Good quality”
“Effective”
“Dissolves easily”
“my energy levels improved too”
“Good ingredients”
What buyers complain about
“It's expensive”
“Unpleasant taste”
“no help with sleep”
“Do not purchase had diaherra all night as well as stomach pain”
“The product don't help me”
“has bland flavor”
“Sweeter than other products on the market”
“it doesnt fully dissolve”
“have not lost any weight”
“Deceptive Advertising”
Top return reasons
Common liquid supplements questions
- Is liquid supplements profitable to sell on Amazon United States?
- The niche generates $1.0M/yr across 5 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +5.1%. Flapen's verdict: Worth a look (54/100).
- How competitive is the liquid supplements niche?
- 5 brands and 50 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in liquid supplements?
- Top complaints mined from reviews: Value For Money, Taste-Overall, Sleep Quality. The return rate is 0.0%.
- When does demand for liquid supplements peak?
- Demand peaks in Feb–Jun–Jul; the busiest month runs 5.8× the quietest.
- What does it cost to enter the liquid supplements niche?
- Listings span $32.01–$88.70; the average listing price is $45.43 (sweet spot $15–$100). The average incumbent carries 1,475 reviews — the moat a new listing must climb.