Is tb500 profitable to sell on Amazon United States?

The niche generates $156K/yr across 27 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is +14.6%. Flapen's verdict: Worth a look (59/100).

How competitive is the tb500 niche?

25 brands and 46 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 48% of demand.

What do buyers complain about in tb500?

Top complaints mined from reviews: Functionality-Overall, Value For Money, Taste-Overall. The return rate is 0.0%.

When does demand for tb500 peak?

Demand peaks in Apr–May; the busiest month runs 1.8× the quietest.

What does it cost to enter the tb500 niche?

Listings span $9.66–$324.78; the average listing price is $49.62 (sweet spot $15–$100). The average incumbent carries 543 reviews — the moat a new listing must climb.

tb500

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

Great$49.62

avg listing price — sweet spot $15–$100

Brand share

Great48%

top-5 brand share — no brand owns this niche

Review moat

Good543.3

avg incumbent reviews — the moat a new listing must climb

Competition

Good48%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Okay+14.6%

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

Conversion

Okay3.3%

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

Market size

Okay$156K

$156K/yr · 94K searches

Price range

Okay$9.66–$324.78

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

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, tb500 is a $156K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 59/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

tb500 market data

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $124K–$149K; units × avg price
Conversion rate: 3.3%
Avg BSR: #3,919
Page quality: 0%
Prime: 78%
Sponsored: 81%
Out of stock: 6.9%
Avg brand age: 61 months
Avg seller age: 154 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

25 rising

Sellers

Top-5 brand share

48%

Top 20: 97%

Top-5 click share

48%

Top 20: 95%

Open market

44%

500 LEVEL12%
Designs for Health11%
Pure Therapro Rx10%
AKGENIX8%
LongLifeNutri8%
Clean Nutraceuticals7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +14.6% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 1.8×

Open Trend

Top tb500 search terms

tb 50031K/yr +27.3%0.5% conv.
tb50033K/yr +6.1%0.4% conv.
tb-50014K/yr +9.2%0.4% conv.
tb-500 peptide capsules6K/yr +36.5%0.9% conv.
tb500 peptide capsule5K/yr +31.3%0.6% conv.
tb500 peptide injectable5K/yr -40.2%0.4% conv.

All search terms

Top tb500 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

500 LEVEL Duke Snider Tee Shirt (Baseball Tee Large Royal/Heather Gray) - Duke Snider Ball B

500 LEVEL$37.995.0★1 rev

Designs for Health Performance Peptides - Supports Muscle Health Healthy Aging & Body Composition - Plant-Based Peptide Muscle Recovery Supplements (120 Capsules)

Designs for Health$53.894.4★148 rev

Pure Therapro Rx Acute Injury | Tendon & Ligament Support | Convenient Once a Day Clinical Dose | Supports Tendon Health Movement & Physical Function | Pharm-Grade (90 Capsules)

Pure Therapro Rx$37.944.2★758 rev

AKGENIX TB Capsules - 60Ct TB | Research Grade | 99% High-Purity

AKGENIX$39.935.0★2 rev

Phosphatidylserine Pure 500mg 180 Vegetarian Pills 3-Month Supply Supplement for Strengthening Memory Focus & Cognitive Function Made in USA Lab Tested Non GMO

LongLifeNutri$30.794.4★594 rev

Newest

by launch date

AKGENIX TB Capsules - 60Ct TB | Research Grade | 99% High-Purity

AKGENIX$39.932 rev

2w ago

BPC 157 and TB500 | Research Grade | 99% High-Purity Formulated for Men & Women -60 Ct 2 Bottles

Generic$52.252 rev

1mo ago

InnoSupps T-Drive Magnum Testosterone Booster Enhance Peak Performance Amplify Muscle Growth Increase Libido & Energy Levels Horny Goat Weed Tongkat Ali Zinc Fenugreek Fat Burner 90 Caps/30 Days

InnoSupps$73.25588 rev

8mo ago

V2 Reusable Research Peptide Pen Injector (Blue) (1 3ml/cc Cart included)

Generic$24.9074 rev

8mo ago

Peptide Recovery Complex Advanced 157 Recovery Blend | Collagen Peptide Amino Support Formula for Muscle Joint & Tissue Health | Post-Workout Recovery & Flexibility Support | 90 Capsules

Atlantic Naturals$39.8062 rev

9mo ago

What buyers say about tb500

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

What buyers love

Quality-Overall14%

“the bottle itself which is high quality”

Energy Level6%

“feel my energy levels have improved significantly”

Value For Money5%

“Great value”

Advertised Vs Actual Product5%

“As advertised”

Vitamin5%

“Excellent Supplement”

Efficiency4%

“Seems like an effective product to me”

Muscle Pain Relief3%

“Muscle help”

Ingredients-Overall3%

“Good quality, helpful ingredients”

Side Effects3%

“didnt cause any side effects for me”

Joint Pain3%

“Solid Support for Joint and Skin Recovery”

What buyers complain about

Functionality-Overall8%

“Not effective for me”

Value For Money7%

“is more expensive than others”

Taste-Overall6%

“It taste like youre taking a handful of prescription meds or medicine”

Dosage5%

“having to take seven capsules per day for just this one supplement seems like it could be a real issue for many people”

Side Effects5%

“it definitely gave me vertigo”

Smell4%

“had an odd smell to it”

Quality-Overall3%

“Basically trash”

Durability3%

“Broke within 3 uses”

Pain Relief-Overall3%

“did absolutely nothing for my injury”

Advertised Vs Actual Product3%

“Misleading discription”

Top return reasons

Size-Overall28%

Functionality-Overall14%

Dispensing Mechanism10%

Instructions/User Manual/Troubleshooting10%

Leak-Proof7%