---
title: "Phentermine Weight Loss Pills — $54K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/phentermine-weight-loss-pills"
last_updated: "2026-08-10T05:22:59.407Z"
locale: en
meta:
description: "Niche score 52/100 · $54K/yr market · 76K searches/yr · $34.30 avg price. A small market ($54K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $54K/yr market · 76K searches/yr · $34.30 avg price. A small market ($54K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Phentermine Weight Loss Pills — $54K/yr Amazon US Niche (2026) - Flapen"
---
# **phentermine weight loss pills**
**Worth a look**
Shows low returns (0.0%), but a small market ($54K/yr) keeps it on the watch list.
Market size 14Growth 22Conversion 26Competition 50Returns 100Price range 93Avg price 95Brand share 63Review moat 24Quality gap 96
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Quality gap**
**Incredible****3.9★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Incredible****$34.30**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.58–$64.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****6,075.83**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-6.4%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$54K**
$54K/yr · 76K searches
**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") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0")
According to Flapen's Amazon United States niche tracking, phentermine weight loss pills is a $54K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **phentermine weight loss pills market data**
- **Units sold / yr**
- **1K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$43K–$51K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#837**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **91%**
- **Out of stock**
- **9.9%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **157 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**42**
**Top-5 brand share**
**67%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 97%
**Open market**
**28%**
- Generic18% - PhenAprin17% - Phenelite11% - Vitamart11% - KAKA DR10% - stripfast50005%
## **Demand**
Weekly Amazon search volume, last 33 weeks — -6.4% search growth over the last 90 days.
3K2KSpike '26Nov '25Dec '25Feb '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/phentermine-weight-loss-pills/trend)
## **Top phentermine weight loss pills 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%4%$2K8%$4K12%$7K16%$9K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 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**PhenAprin**$39.94**3.4★14,048 rev](https://www.amazon.com/dp/B07S92X275) [2**Phene.Mine Diet Pills 37.5 Priority Blend 60 Capsules (1pack)**Generic**$51.13**3.3★51 rev](https://www.amazon.com/dp/B0F8438MLR) [3**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) [4**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) [5**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★175 rev](https://www.amazon.com/dp/B0GD1FSLBY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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) [**asusxcli GLP-1 Supplement - Dietary Supplement -Synbiotics - Curb Appetite Boost Metabolism & Support Gut Health for Women & Men Lean Body Support - 90 Capsules**asusxcli**$22.41**135 rev3mo ago](https://www.amazon.com/dp/B0GV4C97SK) [**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**KAKA DR**$32.11**88 rev7mo ago](https://www.amazon.com/dp/B0G57HN2F4) [**GLP-1 Support + Triphala Colon Cleanse Weight Loss Gut Health & Energy Hunger Control & Fat Burner Berberine Akkermansia Probiotic Yerba Mate Psyllium Husk Senna Leaf for Women & Men 60ct**Etta Vita**$27.44**827 rev7mo ago](https://www.amazon.com/dp/B0FCYQXQBK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Harmony Glow GLP-1 | Promotes Weight Loss for Women Helps Appetite Control & Promotes Energy - Assists Metabolic Pathways Linked to GLP-1 Signaling & Fat Loss - 3rd Party Tested Supplement - 60 Pills**EPN Supplements**$39.96**4.3★**▲ 191%**](https://www.amazon.com/dp/B0FB48HJF6) [**Her Appetite Suppression - Supports GLP-1 Related Metabolic Pathways Promotes Weight Loss for Women Helps Control Appetite/Cravings & Promotes Energy | 3rd Party Tested Supplement - 60 Capsules**Nutrimend IQ**$39.88**4.1★**▲ 190%**](https://www.amazon.com/dp/B0FXN8GXXT) [**O Nature ZIRAN GLP-1 Weight Management Supplement for Women & Men GLP1 Appetite Control Energy & Digestion Balance - Vegan Gluten-Free Dairy Free 90 Capsules (Pack of 1)**O NATURE . ZIRAN**$18.55**4.2★**▲ 190%**](https://www.amazon.com/dp/B0GMJX4G75) [**asusxcli GLP-1 Supplement - Dietary Supplement -Synbiotics - Curb Appetite Boost Metabolism & Support Gut Health for Women & Men Lean Body Support - 90 Capsules**asusxcli**$22.41**4.3★**▲ 190%**](https://www.amazon.com/dp/B0GV4C97SK) [**Performacal Phenylmine XR Weight Management - Energy Appetite & Metabolic Support Formula for Men & Women - 60 Capsules (1)**Performacal**$20.10**5.0★**▲ 189%**](https://www.amazon.com/dp/B0H1SXVQR1)
**~~View all trending →~~**
## **What buyers say about phentermine weight loss pills**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Weight Loss**20%
*“help with weight loss”*
**Energy Level**9%
*“Energy boost”*
**Quality-Overall**9%
*“Excellent Product”*
**Ease Of Use**5%
*“Easy to Take”*
**Nutritional Content**5%
*“Good supplement”*
**Regulates Digestion**4%
*“Digestive support”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Sleep Quality**3%
*“Helps with sleep”*
**Efficiency**3%
*“They were very effective”*
**Value For Money**3%
*“Great for the money”*
### **What buyers complain about **
**Functionality-Overall**20%
*“Did not work”*
**Weight Loss**15%
*“No weight loss”*
**Side Effects**8%
*“I have been experiencing terrible headaches”*
**Value For Money**5%
*“Not Worth it”*
**Acid Regulator/Stomach Ache Relief**5%
*“it also makes me feel bloated”*
**Nutritional Content**4%
*“When I take these consistently I can barely eat”*
**Dosage**3%
*“I cant take this”*
**Energy Level**3%
*“Did nothing for energy”*
**Sleep Quality**2%
*“I cant sleep”*
**Regulates Digestion**2%
*“Perhaps its just taking a little bit longer for me to digest than others”*
### **Top return reasons **
**Functionality-Overall**26%
**Side Effects**13%
**Acid Regulator/Stomach Ache Relief**11%
**Sleep Quality**9%
**Comfort-Overall**7%
**Advertised Vs Actual Product**7%
**Dosage**4%
**Regulates Digestion**4%
**Certifications**4%
**Age Suitability**4%
## **Common questions**
- **Is phentermine weight loss pills profitable to sell on Amazon United States?**
- The niche generates $54K/yr across 23 tracked products. 5 of 8 products launched in the last 360 days are still selling. 90-day search growth is -6.4%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the phentermine weight loss pills niche?**
- 17 brands and 42 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 67% of demand.
- **What do buyers complain about in phentermine weight loss pills?**
- Top complaints mined from reviews: Functionality-Overall, Weight Loss, Side Effects. The return rate is 0.0%.
- **What does it cost to enter the phentermine weight loss pills niche?**
- Listings span $13.58–$64.44; the average listing price is $34.30 (sweet spot $15–$100). The average incumbent carries 6,076 reviews — the moat a new listing must climb.
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