---
title: "phentermine — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/phentermine"
last_updated: "2026-07-14T00:24:20.445Z"
locale: en
meta:
  description: "phentermine shows low returns (0.1%), but soft demand (-18.3% this quarter) keeps it on the watch list."
  "og:description": "phentermine shows low returns (0.1%), but soft demand (-18.3% this quarter) keeps it on the watch list."
  "og:title": "phentermine — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **phentermine**

**Worth a look**

Shows low returns (0.1%), but soft demand (-18.3% this quarter) keeps it on the watch list.

Market size 49Growth 16Conversion 16Competition 24Returns 100Price range 94Avg price 95Brand share 51Review moat 22Quality gap 97

**Returns**

**Incredible****0.1%**

return rate — above 6% kills the launch gate

**Quality gap**

**Incredible****3.8★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Incredible****$36.31**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.65–$69.79**

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

**Brand share**

**Good****74%**

top-5 brand share — brands hold most of the demand

**Market size**

**Okay****$265K**

$265K/yr · 574K searches

**Competition**

**Bad****72%**

top-5 click share — a locked-up shelf

**Review moat**

**Bad****10,183.19**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-18.3%**

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

**Conversion**

**Bad****1.3%**

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

## **Competition**

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**13 **▲rising

**Sellers**

**42**

**Top-5 brand share**

**74%**

**Open market**

**21%**

- PhenAprin35% - PhenQ18% - Vitamart9% - Generic7% - Phenelite6% - KAKA DR5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$26K20%$53K30%$79K40%$106K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 16 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![PhenAprin Advanced Diet Pills for Weight Loss & Energy - Powerful Appetite Suppressant & Thermogenic Fat Burner for Men & Women - Metabolism Booster Food Noise & Cravings Support - 60 Tablets](https://m.media-amazon.com/images/I/41n9G-+OpoL.jpg)**PhenAprin Advanced Diet Pills for Weight Loss & Energy - Powerful Appetite Suppressant & Thermogenic Fat Burner for Men & Women - Metabolism Booster Food Noise & Cravings Support - 60 Tablets**PhenAprin**$39.94**3.4★14,048 rev](https://www.amazon.com/dp/B07S92X275) [2![PhenQ Weight Loss Pills Supplement That Work Fast Suppress Appetite Boost Energy & Metabolism Appetite Suppressant Fat Burner Tablets for Men & Women Safe & Effective](https://m.media-amazon.com/images/I/315+E0xXvCL.jpg)**PhenQ Weight Loss Pills Supplement That Work Fast Suppress Appetite Boost Energy & Metabolism Appetite Suppressant Fat Burner Tablets for Men & Women Safe & Effective**PhenQ**$69.79**3.1★34 rev](https://www.amazon.com/dp/B0F225RTKG) [3![Phent37 (1 Bottle - 60 Speckled Tablets) - Advanced Phenylethylamine HCL Dietary Nutraceutical Premium Small White and Blue Tablets Boost Metabolism Weight Management for Men and Women](https://m.media-amazon.com/images/I/31UnSUpK7oL.jpg)**Phent37 (1 Bottle - 60 Speckled Tablets) - Advanced Phenylethylamine HCL Dietary Nutraceutical Premium Small White and Blue Tablets Boost Metabolism Weight Management for Men and Women**Vitamart**$29.14**3.2★323 rev](https://www.amazon.com/dp/B0DRGWLTR4) [4![Phen.emine Elite 37.5 Fast-Acting Formula 60 Tablets](https://m.media-amazon.com/images/I/41f+3J-2W-L.jpg)**Phen.emine Elite 37.5 Fast-Acting Formula 60 Tablets**Generic**$59.16**3.6★73 rev](https://www.amazon.com/dp/B0FKBMWYCJ) [5![Phenelite Fat Burner for Women - Weight Loss Support and Diet Pills for Helping Reduce Belly Fat - Supplement Made of Raspberry Ketones and Premier Plant Extracts - Appetite Suppressant Vegan](https://m.media-amazon.com/images/I/31LgMZ7zZvL.jpg)**Phenelite Fat Burner for Women - Weight Loss Support and Diet Pills for Helping Reduce Belly Fat - Supplement Made of Raspberry Ketones and Premier Plant Extracts - Appetite Suppressant Vegan**Phenelite**$14.65**3.5★4,914 rev](https://www.amazon.com/dp/B07DJMN3VR)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Performacal Phenylmine XR Weight Management - Energy Appetite & Metabolic Support Formula for Men & Women - 60 Capsules (1)](https://m.media-amazon.com/images/I/31hDD7nXgLL.jpg)**Performacal Phenylmine XR Weight Management - Energy Appetite & Metabolic Support Formula for Men & Women - 60 Capsules (1)**Performacal**$20.10**2 rev1mo ago](https://www.amazon.com/dp/B0H1SXVQR1) [![KAKA DR GLP-1 Supplement Appetite Suppressant Weight Loss Pills for Women New Belly Fat Burner for Women | Metabolism Booster Carb Blocker Burn Fat 24/7 | 3rd Party Tested - 60 Pills](https://m.media-amazon.com/images/I/41tfEXzB1fL.jpg)**KAKA DR GLP-1 Supplement Appetite Suppressant Weight Loss Pills for Women New Belly Fat Burner for Women | Metabolism Booster Carb Blocker Burn Fat 24/7 | 3rd Party Tested - 60 Pills**KAKA DR**$36.75**175 rev6mo ago](https://www.amazon.com/dp/B0GD1FSLBY) [![KAKA DR GLP-1 Supplement Weight Loss Pills for Women Appetite Suppressant for Women and Men Metabolism Booster 3rd Party Tested Supplement Made from a Variety of Natural Ingredients - 60 Pills](https://m.media-amazon.com/images/I/41tfEXzB1fL.jpg)**KAKA DR GLP-1 Supplement Weight Loss Pills for Women Appetite Suppressant for Women and Men Metabolism Booster 3rd Party Tested Supplement Made from a Variety of Natural Ingredients - 60 Pills**KAKA DR**$32.11**88 rev7mo ago](https://www.amazon.com/dp/B0G57HN2F4) [![PhenQ Weight Loss Pills Supplement That Work Fast Suppress Appetite Boost Energy & Metabolism Appetite Suppressant Fat Burner Tablets for Men & Women Safe & Effective](https://m.media-amazon.com/images/I/315+E0xXvCL.jpg)**PhenQ Weight Loss Pills Supplement That Work Fast Suppress Appetite Boost Energy & Metabolism Appetite Suppressant Fat Burner Tablets for Men & Women Safe & Effective**PhenQ**$69.79**34 rev1y ago](https://www.amazon.com/dp/B0F225RTKG) [![Phent37 (1 Bottle - 60 Speckled Tablets) - Advanced Phenylethylamine HCL Dietary Nutraceutical Premium Small White and Blue Tablets Boost Metabolism Weight Management for Men and Women](https://m.media-amazon.com/images/I/31UnSUpK7oL.jpg)**Phent37 (1 Bottle - 60 Speckled Tablets) - Advanced Phenylethylamine HCL Dietary Nutraceutical Premium Small White and Blue Tablets Boost Metabolism Weight Management for Men and Women**Vitamart**$29.14**323 rev1y ago](https://www.amazon.com/dp/B0DRGWLTR4)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Performacal Phenylmine XR Weight Management - Energy Appetite & Metabolic Support Formula for Men & Women - 60 Capsules (1)](https://m.media-amazon.com/images/I/31hDD7nXgLL.jpg)**Performacal Phenylmine XR Weight Management - Energy Appetite & Metabolic Support Formula for Men & Women - 60 Capsules (1)**Performacal**$20.10**5.0★**▲ 303%**](https://www.amazon.com/dp/B0H1SXVQR1) [![KAKA DR GLP-1 Supplement Appetite Suppressant Weight Loss Pills for Women New Belly Fat Burner for Women | Metabolism Booster Carb Blocker Burn Fat 24/7 | 3rd Party Tested - 60 Pills](https://m.media-amazon.com/images/I/41tfEXzB1fL.jpg)**KAKA DR GLP-1 Supplement Appetite Suppressant Weight Loss Pills for Women New Belly Fat Burner for Women | Metabolism Booster Carb Blocker Burn Fat 24/7 | 3rd Party Tested - 60 Pills**KAKA DR**$36.75**4.1★**▲ 302%**](https://www.amazon.com/dp/B0GD1FSLBY) [![Womens High Waisted Distressed Stretch Ripped Butt Lift Denim Pants Blue Size 16](https://m.media-amazon.com/images/I/31piLa4sCdL.jpg)**Womens High Waisted Distressed Stretch Ripped Butt Lift Denim Pants Blue Size 16**Qazel Vorrlon**$32.81**4.2★**▲ 293%**](https://www.amazon.com/dp/B09YD1KF33) [![GLP-1 Supplement for Women 3X Targeted Formula Gentle on the Stomach GLP-1 with Akkermansia Probiotic Berberine HCI & Chicory Inulin Natural GLP1 for Digestion & Gut Health - Vegan 60 Capsules](https://m.media-amazon.com/images/I/51Wl7ZUU8OL.jpg)**GLP-1 Supplement for Women 3X Targeted Formula Gentle on the Stomach GLP-1 with Akkermansia Probiotic Berberine HCI & Chicory Inulin Natural GLP1 for Digestion & Gut Health - Vegan 60 Capsules**Todesessis**$26.89**4.2★**▲ 248%**](https://www.amazon.com/dp/B0DQW6Q38R) [![Stacker 3 XPLC by NVE Pharmaceuticals](https://m.media-amazon.com/images/I/51l5x8O7dUL.jpg)**Stacker 3 XPLC by NVE Pharmaceuticals**--**$18.23**4.5★**▲ 86%**](https://www.amazon.com/dp/B01LZKFMZK)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -18.3% search growth over the last 90 days.

30K20KHoliday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Feb · busiest ÷ quietest = 1.9×

## **Reviews**

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

### **What buyers love **

**Weight Loss**25%

*“Great for weight loss”*

**Quality-Overall**9%

*“My personal experience has been satisfactory”*

**Energy Level**9%

*“Boosts energy”*

**Nutritional Content**7%

*“Excellent dietary supplement”*

**Side Effects**5%

*“It didn't cause me any jitters or severe side effects—something I value highly in products of this type”*

**Regulates Digestion**4%

*“Works as remedy for intermittent constipation”*

**Value For Money**4%

*“Great value for the money”*

**Ease Of Use**4%

*“Easy to use”*

**Efficiency**3%

*“Its a clean”*

**Ease Of Chewing/Swallowing**3%

*“They are not hard to swallow”*

### **What buyers complain about **

**Functionality-Overall**22%

*“Doest Work”*

**Weight Loss**16%

*“Certainly does not control my appetite”*

**Side Effects**10%

*“I suddenly became very nauseous”*

**Value For Money**6%

*“Also way too expensive”*

**Nutritional Content**5%

*“Didn't curb my appetite”*

**Acid Regulator/Stomach Ache Relief**4%

*“Hurt stomach”*

**Energy Level**3%

*“No energy”*

**Dosage**3%

*“these pills didnt work for me”*

**Heart Health**2%

*“I experienced an accelerated heart rate”*

**Regulates Digestion**2%

*“Painful constipation”*

### **Top return reasons **

**Functionality-Overall**24%

**Size-Overall**18%

**Waist Fit**18%

**Dosage**12%

**Side Effects**9%

**Value For Money**6%

**Comfort-Overall**6%

**Length**6%

**Fever Relief**3%