---
title: "King Maker Supplement — $4K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/king-maker-supplement"
last_updated: "2026-08-12T14:51:36.209Z"
locale: en
meta:
description: "Amazon product research for king maker supplement: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for king maker supplement: $4K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "King Maker Supplement — $4K/mo Amazon US Product Research"
---
# **King Maker Supplement**
**Worth a look**
Shows low returns (0.0%), but soft demand (-42.8% this quarter) keeps it on the watch list.
Market size 13Growth 4Conversion 15Competition 75Returns 100Price range 88Avg price 95Brand share 76Review moat 24Quality gap 79
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$35.26**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.70–$93.49**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Great****59%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****40%**
top-5 click share — an open shelf
**Review moat**
**Bad****6,487.47**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.2%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$54K**
$54K/yr · 130K searches
**Growth**
**Bad****-42.8%**
90-day search growth — must beat 0% to launch
## **Is king maker supplement profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, king maker supplement is a $54K/yr Amazon United States market (130K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 51/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **king maker supplement market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$106K–$141K**
- units × avg price
- **Conversion rate**
- **1.2%**
- **Avg BSR**
- **#118**
- **Page quality**
- **0%**
- **Prime**
- **98%**
- **Sponsored**
- **86%**
- **Out of stock**
- **7.4%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **151 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.
**Brands**
**29 **▲rising
**Sellers**
**628**
**Top-5 brand share**
**59%**
Top 20: 93%
**Top-5 click share**
**40%**
Top 20: 80%
**Open market**
**36%**
- TERRA ELMNT23% - Force Factor13% - Prime Labs8% - Formulation Factory8% - Natures Craft7% - Sculpt Nation5%
## **king maker supplement demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -42.8% search growth over the last 90 days.
70K50KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb · busiest ÷ quietest = 6.3×
[**Open Trend **](https://flapen.com/research/us/health-household/king-maker-supplement/trend)
## **Top king maker supplement search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **king maker supplement for men**48K/yr-49.4%0.6% conv. - **king maker**44K/yr-45.2%0.3% conv. - **kingmaker supplement for men**8K/yr-47.6%0.9% conv. - **king maker supplement**5K/yr-27.9%0.0% conv. - **kings maker**4K/yr-20.7%0.0% conv. - **king vitamin**2K/yr-18.4%0.0% conv. - **king maker for men**2K/yr-52.5%0.3% conv. - **king marker**2K/yr+6.4%2.0% conv. - **king maker testosterone supplement for men**3K/yr-5.8%0.0% conv. - **the king maker**3K/yr-44.4%0.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/king-maker-supplement/search-terms)
## **Top king maker supplement products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$2K6%$3K9%$5K12%$6K1001K10K100K 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**ULTRA MALE Premium Testosterone Booster for Men w. 100:1 Shilajit 40:1 Black Maca Ashwagandha 25% Tongkat Ali 10% - Clinical Strength Male Enhancing Testosterone Supplement for Men Health Libido+**TERRA ELMNT**$30.52**4.3★184 rev](https://www.amazon.com/dp/B0G4564NS5) [2**2 015mg Testosterone Booster for Men 8X Strength w. Ashwagandha Tongkat Ali Pycnogenol Tribulus - Total T Testosterone Supplement for Men Male Enhancing Libido Test Booster + Muscle Builder Pills**TERRA ELMNT**$29.15**4.1★4,199 rev](https://www.amazon.com/dp/B09X2CG92L) [3**Prime Labs - Mens Testosterone Booster - Stamina Endurance & Strength Booster - 60 Caplets**Prime Labs**$22.01**4.1★95,207 rev](https://www.amazon.com/dp/B01MQ1JLWY) [4**Formulation Factory Self Obsessed 10-in-1 Natural Testosterone Booster for Men Testosterone Supplement for Men with Shilajit Tongkat Ali Fadogia Agrestis 120 Capsules 2 Month Supply**Formulation Factory**$82.86**4.4★354 rev](https://www.amazon.com/dp/B0CK8JPHQ2) [5**Sculpt Nation by V Shred Test Boost Max - Testosterone Supplement for Men - Tribulus Terrestris for Men - Natural Energy Stamina and Strength Booster - 60 Gluten Free Capsules**Sculpt Nation**$47.48**4.1★2,696 rev](https://www.amazon.com/dp/B0CC394T33)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ULTRA MALE Premium Testosterone Booster for Men w. 100:1 Shilajit 40:1 Black Maca Ashwagandha 25% Tongkat Ali 10% - Clinical Strength Male Enhancing Testosterone Supplement for Men Health Libido+**TERRA ELMNT**$30.52**184 rev4mo ago](https://www.amazon.com/dp/B0G4564NS5) [**Force Factor Test X180 Max Gummies Testosterone Booster Supplement for Men with KSM-66 Ashwagandha to Support T Levels Strength & Vitality Mixed Berry 60 Gummies**Force Factor**$26.86**435 rev11mo ago](https://www.amazon.com/dp/B0FL4NPTJG) [**STRIVLABS Peak Potential 12-in-1 Testosterone Support for Men Fenugreek Ashwagandha & Tongkat Ali Natural Strength Energy & Muscle Builder 90 Capsules**STRIVLABS**$39.70**638 rev1y ago](https://www.amazon.com/dp/B0DQVRW3T6) [**Force Factor Nitric Oxide Booster Fast-Acting Formula with L-Arginine Boosts Nitric Oxide Levels Maximize Muscle Pumps Enhance Endurance Improve Circulation 120 Capsules**Force Factor**$26.28**1,396 rev1y ago](https://www.amazon.com/dp/B0F228WV7G) [**THORNE - Advanced Testosterone Support - Mens Health Supplement - Supports Healthy Testosterone Levels & Muscle Fatigue* - with Ashwagandha Shilajit & Zinc - Third-Party Certified - 60 Capsules**THORNE**$42.01**488 rev1y ago](https://www.amazon.com/dp/B0DN7JGVG2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Horny Goat Weed for Male Enhancement - Testosterone Booster Supplement for Men - 1000mg per serving Complex with Tongkat Ali Saw Palmetto Extract & Panax Ginseng - Black Maca Root for Stamina & Energy**Natures Craft**$7.70**3.8★**▲ 590%**](https://www.amazon.com/dp/B0BJ381Q57) [**Force Factor Nitric Oxide Booster Fast-Acting Formula with L-Arginine Boosts Nitric Oxide Levels Maximize Muscle Pumps Enhance Endurance Improve Circulation 120 Capsules**Force Factor**$26.28**4.4★**▲ 500%**](https://www.amazon.com/dp/B0F228WV7G) [**ULTRA MALE Premium Testosterone Booster for Men w. 100:1 Shilajit 40:1 Black Maca Ashwagandha 25% Tongkat Ali 10% - Clinical Strength Male Enhancing Testosterone Supplement for Men Health Libido+**TERRA ELMNT**$30.52**4.3★**▲ 335%**](https://www.amazon.com/dp/B0G4564NS5) [![MACRO VITAL Testosterone Booster for Men Gummies [Fast-Max Absorption] Masculinity Boost Turkesterone Tongkat Ali Horny Goat Weed Maca Root Tribulus Testo Gummies 60Ct](https://m.media-amazon.com/images/I/51nFJe158HL.jpg)**MACRO VITAL Testosterone Booster for Men Gummies \[Fast-Max Absorption\] Masculinity Boost Turkesterone Tongkat Ali Horny Goat Weed Maca Root Tribulus Testo Gummies 60Ct**MACRO VITAL**$27.57**4.5★**▲ 294%**](https://www.amazon.com/dp/B0DPDXWF22) [**STRIVLABS Peak Potential 12-in-1 Testosterone Support for Men Fenugreek Ashwagandha & Tongkat Ali Natural Strength Energy & Muscle Builder 90 Capsules**STRIVLABS**$39.70**4.4★**▲ 233%**](https://www.amazon.com/dp/B0DQVRW3T6)
**~~View all trending →~~**
## **What reviews say buyers love and hate about king maker supplement**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Great product, gives great results”*
**Energy Level**16%
*“Gave me energy”*
**Efficiency**6%
*“Effective”*
**Value For Money**6%
*“Very affordable”*
**Advertised Vs Actual Product**5%
*“As described”*
**Vitamin**4%
*“Healthy vitamins”*
**Ingredients-Overall**3%
*“Love the ingredients”*
**Ease Of Use**3%
*“Easy to take”*
**Focus Enhancement**3%
*“My focus has been incredible”*
**Side Effects**3%
*“No side effects”*
### **What buyers complain about **
**Functionality-Overall**21%
*“Did not work”*
**Value For Money**10%
*“Over Priced”*
**Dosage**7%
*“The reasons for this is for the following or more issues: not adequate dosage amounts. per capsule”*
**Side Effects**6%
*“Dangerous Side Effects”*
**Energy Level**5%
*“Gives me no energy”*
**Quality-Overall**4%
*“obviously ingredients are not very good quality”*
**Advertised Vs Actual Product**4%
*“Misleading description”*
**Vitamin**3%
*“Little bit better with vitamin D. Still waste of money”*
**Ingredients-Overall**2%
*“useless ingredients with zero feeling of efficacy”*
**Taste-Overall**2%
*“taste weird”*
### **Top return reasons **
**Functionality-Overall**47%
**Dosage**13%
**Joint Pain**7%
**Side Effects**7%
**Vitamin**7%
**Quality-Overall**7%
**Value For Money**7%
**Iron**3%
**Regulates Digestion**3%
## **Common king maker supplement questions**
- **Is king maker supplement profitable to sell on Amazon United States?**
- The niche generates $54K/yr across 43 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is -42.8%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the king maker supplement niche?**
- 29 brands and 628 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 59% of demand.
- **What do buyers complain about in king maker supplement?**
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Dosage. The return rate is 0.0%.
- **When does demand for king maker supplement peak?**
- Demand peaks in Jan–Feb; the busiest month runs 6.3× the quietest.
- **What does it cost to enter the king maker supplement niche?**
- Listings span $7.70–$93.49; the average listing price is $35.26 (sweet spot $15–$100). The average incumbent carries 6,487 reviews — the moat a new listing must climb.
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