---
title: "Viternum Complex — $40K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/viternum-complex"
last_updated: "2026-08-09T20:11:26.881Z"
locale: en
meta:
description: "Niche score 37/100 · $40K/yr market · 142K searches/yr · $31.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $40K/yr market · 142K searches/yr · $31.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Viternum Complex — $40K/yr Amazon US Niche (2026) - Flapen"
---
# **viternum complex**
**Skip it**
A concentrated shelf (top 5 take 89% of clicks) — this niche doesn't clear our bar today.
Market size 10Growth 11Conversion 11Competition 9Returns 100Price range 95Avg price 95Brand share 27Review moat 48Quality gap 68
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$31.51**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$14.71–$64.56**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,739.88**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-27.2%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$40K**
$40K/yr · 142K searches
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Signals**[** 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, viternum complex is a $40K/yr Amazon United States market (142K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Mar. Verdict: Skip it — 37/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **viternum complex market data**
- **Units sold / yr**
- **1K–1K**
- avg 100–250/product
- **Revenue / yr**
- **$32K–$39K**
- units × avg price
- **Conversion rate**
- **0.9%**
- **Avg BSR**
- **#473**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **69 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**11**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**7%**
- Rangel53% - GENERY12% - NGL9% - Supragenix7% - NEW AGE7% - Apetol4% - Open — no brand owns it (2 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — -27.2% search growth over the last 90 days.
6K4KSpike '24Black Friday '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Mar · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/viternum-complex/trend)
## **Top viternum complex search terms**
- **viternum complex**86K/yr-35.9%0.2% conv. - **viternum**27K/yr-19.8%0.2% conv. - **viternum complex para engordar**9K/yr+17.0%0.2% conv. - **gelnorex**11K/yr-17.3%4.8% conv. - **gelnorex pastillas para engordar**6K/yr-8.9%4.5% conv. - **viternum complex jarabe**2K/yr-69.6%0.0% conv. - **viternum complex capsulas**2K/yr-47.0%0.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/viternum-complex/search-terms)
## **Top viternum complex 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%15%$6K30%$12K45%$18K60%$24K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Rangel Gelnorex Vita Adults Vitamin B Supplement 100 Tablets 100 Count (Pack of 1)**Rangel**$47.81**4.7★412 rev](https://www.amazon.com/dp/B095VLBK4F) [2**Gelnorex Adults**GENERY**$21.01**4.2★74 rev](https://www.amazon.com/dp/B00A1OTV9Q) [3**Appetite Booster Weight Gain Stimulant Supplement Eat More for Underweight Adults & Kids 4+ Fortified with Vitamins B1 B2 B3 B5 B6 B12 Folic Acid Iron Zinc Amino Acids Flax Seed Oil**NGL**$26.53**3.9★5,487 rev](https://www.amazon.com/dp/B07CZTHCXQ) [4**Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer**Supragenix**$64.56**4.2★587 rev](https://www.amazon.com/dp/B0CX3P86NB) [5**Vitamin B Complex for Men & Women - Made in USA - B-Complex: B1 B2 B3 B5 B6 B7 B8 B9 B12 with Vitamin C Choline Inositol - Energy Brain & Heart Support Supplement - 120 Vegan Capsules**NEW AGE**$28.83**4.5★186 rev](https://www.amazon.com/dp/B0FN4Y9N4N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamin B Complex for Men & Women - Made in USA - B-Complex: B1 B2 B3 B5 B6 B7 B8 B9 B12 with Vitamin C Choline Inositol - Energy Brain & Heart Support Supplement - 120 Vegan Capsules**NEW AGE**$28.83**186 rev11mo ago](https://www.amazon.com/dp/B0FN4Y9N4N) [**Apetol Appetite Booster for Kids & Adults | 6 fl oz | 2-Pack**Apetol**$21.48**210 rev1y ago](https://www.amazon.com/dp/B0DYG4169H) [**Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer**Supragenix**$64.56**587 rev2y ago](https://www.amazon.com/dp/B0CX3P86NB) [**Gain Appetite Booster Capsules for Adults Weight Gainer Support for Men and Women Creatine Enhanced Weight Gain Pills with Ginger Extract Blessed Thistle and Gentian Root - 120 Capsules**Scale Nutrition**$27.15**364 rev2y ago](https://www.amazon.com/dp/B0CMMNKVZB) [**Rangel Gelnorex Vita Adults Vitamin B Supplement 100 Tablets 100 Count (Pack of 1)**Rangel**$47.81**412 rev5y ago](https://www.amazon.com/dp/B095VLBK4F)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Apetol Appetite Booster for Kids & Adults | 6 fl oz | 2-Pack**Apetol**$21.48**4.4★**▲ 191%**](https://www.amazon.com/dp/B0DYG4169H) [**Gain Appetite Booster Capsules for Adults Weight Gainer Support for Men and Women Creatine Enhanced Weight Gain Pills with Ginger Extract Blessed Thistle and Gentian Root - 120 Capsules**Scale Nutrition**$27.15**4.1★**▲ 181%**](https://www.amazon.com/dp/B0CMMNKVZB) [**Vitamin B Complex for Men & Women - Made in USA - B-Complex: B1 B2 B3 B5 B6 B7 B8 B9 B12 with Vitamin C Choline Inositol - Energy Brain & Heart Support Supplement - 120 Vegan Capsules**NEW AGE**$28.83**4.5★**▲ 173%**](https://www.amazon.com/dp/B0FN4Y9N4N) [**Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer**Supragenix**$64.56**4.2★**▲ 64%**](https://www.amazon.com/dp/B0CX3P86NB) [**Gelnorex Adults**GENERY**$21.01**4.2★**▲ 22%**](https://www.amazon.com/dp/B00A1OTV9Q)
**~~View all trending →~~**
## **What buyers say about viternum complex**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**16%
*“Good Vitamin”*
**Quality-Overall**14%
*“Great quality, exactly as described, and arrived on time”*
**Weight Loss**8%
*“its been a helpful tool for gaining back some of the weight I lost”*
**Energy Level**7%
*“Energy boost”*
**Efficiency**6%
*“It really does work”*
**Value For Money**5%
*“Good value”*
**Ease Of Use**5%
*“It made the process feel simple and straightforward”*
**Ease Of Chewing/Swallowing**4%
*“THEY ARE VERY EAST TO SWALLOW”*
**Nutritional Content**3%
*“The results are noticeable with good nutrition and consistency”*
**Side Effects**3%
*“No Side Effects”*
### **What buyers complain about **
**Functionality-Overall**15%
*“Wasnt effective for me”*
**Vitamin**10%
*“So I dont really know how much that is contributing to the amplification of this vitamin”*
**Weight Loss**7%
*“No weight gain”*
**Value For Money**7%
*“Costly”*
**Dosage**6%
*“Too high of a dosage”*
**Taste-Overall**5%
*“Has a strange after taste”*
**Allergies**5%
*“Be aware of possible rash or skin flushing”*
**Side Effects**5%
*“Every time I took it - it gave me headaches”*
**Smell**3%
*“like a gross fishy smell”*
**Nutritional Content**3%
*“Has not made my Mother eat more”*
### **Top return reasons **
**Feet Fit**21%
**Length**20%
**Size-Overall**15%
**Comfort-Overall**12%
**Color**6%
**Stiffness**3%
**Vitamin**3%
**Hard Feel**3%
**Advertised Vs Actual Product**3%
**Contamination**3%
## **Common questions**
- **Is viternum complex profitable to sell on Amazon United States?**
- The niche generates $40K/yr across 8 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -27.2%. Flapen's verdict: Skip it (37/100).
- **How competitive is the viternum complex niche?**
- 8 brands and 11 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in viternum complex?**
- Top complaints mined from reviews: Functionality-Overall, Vitamin, Weight Loss. The return rate is 0.0%.
- **When does demand for viternum complex peak?**
- Demand peaks in Mar; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the viternum complex niche?**
- Listings span $14.71–$64.56; the average listing price is $31.51 (sweet spot $15–$100). The average incumbent carries 1,740 reviews — the moat a new listing must climb.
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