Is ps100 profitable to sell on Amazon United States?

The niche generates $627K/yr across 21 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.2%. Flapen's verdict: Worth a look (64/100).

How competitive is the ps100 niche?

14 brands and 493 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in ps100?

Top complaints mined from reviews: Dosage, Ingredients-Overall, Sleep Quality. The return rate is 0.0%.

When does demand for ps100 peak?

Demand peaks in Jan–Feb–Dec; the busiest month runs 3.2× the quietest.

What does it cost to enter the ps100 niche?

Listings span $14.75–$79.26; the average listing price is $32.69 (sweet spot $15–$100). The average incumbent carries 941 reviews — the moat a new listing must climb.

ps100

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$32.69

avg listing price — sweet spot $15–$100

Price range

Incredible$14.75–$79.26

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Great10.6%

search→purchase rate — share of searches ending in a sale

Brand share

Great60%

top-5 brand share — no brand owns this niche

Market size

Good$627K

$627K/yr · 180K searches

Review moat

Good940.62

avg incumbent reviews — the moat a new listing must climb

Competition

Good54%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-11.2%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, ps100 is a $627K/yr Amazon United States market (180K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Worth a look — 64/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

ps100 market data

Units sold / yr: 20K–25K; avg 500–750/product
Revenue / yr: $654K–$817K; units × avg price
Conversion rate: 10.6%
Avg BSR: #1,360
Page quality: 0%
Prime: 100%
Sponsored: 67%
Out of stock: 3.7%
Avg brand age: 72 months
Avg seller age: 167 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

493

Top-5 brand share

60%

Top 20: 92%

Top-5 click share

54%

Top 20: 99%

Open market

32%

Double Wood Supplements21%
NOW Foods12%
Nutricost11%
Toniiq8%
Jarrow Formulas8%
--8%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -11.2% search growth over the last 90 days.

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 3.2×

Open Trend

Top ps100 search terms

phosphatidylserine supplement103K/yr -11.4%8.1% conv.
ps10017K/yr +12.0%9.7% conv.
phosphatidylserine 100mg18K/yr -21.2%8.8% conv.
phosphatidylserine 300mg17K/yr -35.0%10.4% conv.
phosphatidylserine powder9K/yr +10.2%2.3% conv.
phosphatidylserine 500mg5K/yr +16.5%7.8% conv.
ps 1004K/yr +3.0%9.5% conv.
phosphatidyl6K/yr -13.7%10.2% conv.

All search terms

Top ps100 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

PhosphatidylSerine Supplement 300mg Per Serving 120 Capsules (Phosphatidyl Serine Complex) by Double Wood

Double Wood Supplements$19.764.5★6,095 rev

Nutricost Phosphatidylserine (400mg) 120 Capsules Gluten Free

Nutricost$23.664.5★1,278 rev

Toniiq Phosphatidylserine - 400mg Formula - Worlds First 50% Purity - Highest Purity in the US - Soy Free Phosphatidylserine Supplement - 90 Veggie Capsules

Toniiq$24.394.6★1,422 rev

Phosphatidylserine Supplement 400mg Serving 240 Capsules Soy Free Sunflower Lecithin Source

--$24.174.6★1,348 rev

THORNE - Phosphatidylserine - Supports Healthy Brain Function Memory & Focus - Helps Regulate Cortisol During Stress* - Third-Party Certified - Gluten-Free Dairy-Free - 60 Capsules

THORNE$66.374.5★273 rev

Newest

by launch date

Micro Ingredients Phosphatidylserine 600 mg Per Serving 240 Capsules | Soy Free Phosphatidylserine Supplement with Choline Lions Mane Ginkgo & Omega-3 | Non-GMO Gluten Free

Micro Ingredients$21.8122 rev

6mo ago

Micro Ingredients Lions Mane+ with Omega-3 EPA DHA & Phosphatidylserine 240 Softgels with MCT Oil for Better Absorption Fruiting Body & Mycelium Superfood Mushroom Extract Lemon Flavored

Micro Ingredients$20.94123 rev

1y ago

ML Naturals Phosphatidyl Serine 200mg (Per Serving) 120 Vegetable Capsules Non-GMO Supports Memory & Brain Function

ML Naturals$14.75181 rev

3y ago

BulkSupplements.com Phosphatidylserine Capsules - Phosphatidylserine Supplement - Gluten Free 1 Capsule per Serving (60mg) 240 Capsules (Pack of 1)

BulkSupplements$24.2686 rev

3y ago

NOW Foods Supplements Soy-Free Phosphatidyl Serine (150mg) Brain Health* 60 Veg Capsules

NOW Foods$26.51392 rev

4y ago

What buyers say about ps100

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall14%

“the quality of its supporting ingredients”

Focus Enhancement12%

“helping you focus”

Sleep Quality11%

“Helped so much with sleep quality”

Value For Money8%

“Great deal for the money”

Vitamin7%

“complimented the other vitamins that I am taking at this time”

Stress/Anxiety6%

“Good for stress and anxiety”

Ingredients-Overall5%

“The pills seem to be made of good quality ingredients”

Ease Of Chewing/Swallowing4%

“not difficult for me to swallow”

Advertised Vs Actual Product3%

“As advertised”

Dosage3%

“Good dose /size”

What buyers complain about

Dosage11%

“Extremely under dosed”

Ingredients-Overall8%

“Active ingredient comes from freaking soy”

Sleep Quality6%

“This supplement did NOTHING to help me sleep”

Advertised Vs Actual Product5%

“False advertising - this product does not work”

Smell5%

“Unpleasant odor”

Functionality-Overall5%

“Didn't work for me”

Side Effects5%

“After a week and a half, I developed terrible nausea that kept me up all night”

Stress/Anxiety4%

“This made me have the WORST anxiety in the world”

Acid Regulator/Stomach Ache Relief3%

“can cause nausea”

Allergies2%

“Allergen Caution”

Top return reasons

Advertised Vs Actual Product20%

Value For Money20%

Ease Of Chewing/Swallowing20%

Sleep Quality10%

Temperature Retention10%

Quality-Overall10%

Functionality-Overall10%

Common questions

Is ps100 profitable to sell on Amazon United States?: The niche generates $627K/yr across 21 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.2%. Flapen's verdict: Worth a look (64/100).
How competitive is the ps100 niche?: 14 brands and 493 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in ps100?: Top complaints mined from reviews: Dosage, Ingredients-Overall, Sleep Quality. The return rate is 0.0%.
When does demand for ps100 peak?: Demand peaks in Jan–Feb–Dec; the busiest month runs 3.2× the quietest.
What does it cost to enter the ps100 niche?: Listings span $14.75–$79.26; the average listing price is $32.69 (sweet spot $15–$100). The average incumbent carries 941 reviews — the moat a new listing must climb.