---
title: "Tb500 — $156K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/tb500"
last_updated: "2026-08-10T21:25:29.246Z"
locale: en
meta:
description: "Niche score 59/100 · $156K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $156K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Tb500 — $156K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 33Growth 43Conversion 42Competition 61Returns 100Price range 27Avg price 93Brand share 87Review moat 74Quality gap 55
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$49.62**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****48%**
top-5 brand share — no brand owns this niche
**Review moat**
**Good****543.3**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+14.6%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****3.3%**
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**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
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 ~~](https://flapen.com/research/methodology)
## **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**
**46**
**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.
3K2KSpike '24Holiday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/tb500/trend)
## **Top tb500 search terms**
- **tb 500**31K/yr+27.3%0.5% conv. - **tb500**33K/yr+6.1%0.4% conv. - **tb-500**14K/yr+9.2%0.4% conv. - **tb-500 peptide capsules**6K/yr+36.5%0.9% conv. - **tb500 peptide capsule**5K/yr+31.3%0.6% conv. - **tb500 peptide injectable**5K/yr-40.2%0.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/tb500/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.
0%3%$5K6%$9K9%$14K12%$19K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**500 LEVEL Duke Snider Tee Shirt (Baseball Tee Large Royal/Heather Gray) - Duke Snider Ball B**500 LEVEL**$37.99**5.0★1 rev](https://www.amazon.com/dp/B07BV8VHH1) [2**Designs for Health Performance Peptides - Supports Muscle Health Healthy Aging & Body Composition - Plant-Based Peptide Muscle Recovery Supplements (120 Capsules)**Designs for Health**$53.89**4.4★148 rev](https://www.amazon.com/dp/B0DFMWRDZL) [3**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**$37.94**4.2★758 rev](https://www.amazon.com/dp/B00FQJZJLU) [4**AKGENIX TB Capsules - 60Ct TB | Research Grade | 99% High-Purity**AKGENIX**$39.93**5.0★2 rev](https://www.amazon.com/dp/B0H682Z18J) [5**Phosphatidylserine Pure 500mg 180 Vegetarian Pills 3-Month Supply Supplement for Strengthening Memory Focus & Cognitive Function Made in USA Lab Tested Non GMO**LongLifeNutri**$30.79**4.4★594 rev](https://www.amazon.com/dp/B07VCGZJCL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AKGENIX TB Capsules - 60Ct TB | Research Grade | 99% High-Purity**AKGENIX**$39.93**2 rev2w ago](https://www.amazon.com/dp/B0H682Z18J) [**BPC 157 and TB500 | Research Grade | 99% High-Purity Formulated for Men & Women -60 Ct 2 Bottles**Generic**$52.25**2 rev1mo ago](https://www.amazon.com/dp/B0H4PFNZ4Y) [**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**$73.25**588 rev8mo ago](https://www.amazon.com/dp/B09YVM7YQ2) [**V2 Reusable Research Peptide Pen Injector (Blue) (1 3ml/cc Cart included)**Generic**$24.90**74 rev8mo ago](https://www.amazon.com/dp/B0FYQVQ6RS) [**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**$39.80**62 rev9mo ago](https://www.amazon.com/dp/B0FV4JCL9X)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AKGENIX TB Capsules - 60Ct TB | Research Grade | 99% High-Purity**AKGENIX**$39.93**5.0★**▲ 269%**](https://www.amazon.com/dp/B0H682Z18J) [**500 LEVEL Duke Snider Tee Shirt (Baseball Tee Large Royal/Heather Gray) - Duke Snider Ball B**500 LEVEL**$37.99**5.0★**▲ 268%**](https://www.amazon.com/dp/B07BV8VHH1) [**BPC 157 and TB500 | Research Grade | 99% High-Purity Formulated for Men & Women -60 Ct 2 Bottles**Generic**$52.25**5.0★**▲ 266%**](https://www.amazon.com/dp/B0H4PFNZ4Y) [**Jocko Fuel Test Booster for Men - Natural Endurance Stamina & Strength Booster - Muscle Builder for Men with Ginger Root Shilajit & Tongkat Ali 120ct (30 Servings)**Jocko Fuel**$31.79**4.2★**▲ 245%**](https://www.amazon.com/dp/B0BT8HW334) [**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**$39.80**3.8★**▲ 218%**](https://www.amazon.com/dp/B0FV4JCL9X)
**~~View all trending →~~**
## **What buyers say about tb500**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“the bottle itself which is high quality”*
**Energy Level**6%
*“feel my energy levels have improved significantly”*
**Value For Money**5%
*“Great value”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Vitamin**5%
*“Excellent Supplement”*
**Efficiency**4%
*“Seems like an effective product to me”*
**Muscle Pain Relief**3%
*“Muscle help”*
**Ingredients-Overall**3%
*“Good quality, helpful ingredients”*
**Side Effects**3%
*“didnt cause any side effects for me”*
**Joint Pain**3%
*“Solid Support for Joint and Skin Recovery”*
### **What buyers complain about **
**Functionality-Overall**8%
*“Not effective for me”*
**Value For Money**7%
*“is more expensive than others”*
**Taste-Overall**6%
*“It taste like youre taking a handful of prescription meds or medicine”*
**Dosage**5%
*“having to take seven capsules per day for just this one supplement seems like it could be a real issue for many people”*
**Side Effects**5%
*“it definitely gave me vertigo”*
**Smell**4%
*“had an odd smell to it”*
**Quality-Overall**3%
*“Basically trash”*
**Durability**3%
*“Broke within 3 uses”*
**Pain Relief-Overall**3%
*“did absolutely nothing for my injury”*
**Advertised Vs Actual Product**3%
*“Misleading discription”*
### **Top return reasons **
**Size-Overall**28%
**Functionality-Overall**14%
**Dispensing Mechanism**10%
**Instructions/User Manual/Troubleshooting**10%
**Leak-Proof**7%
**Dosage**5%
**Advertised Vs Actual Product**5%
**Ease Of Use**4%
**Compatibility-Overall**3%
**Quality-Overall**2%
## **Common questions**
- **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.
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