---
title: "Tri Amino — $31K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/tri-amino"
last_updated: "2026-08-06T20:30:54.225Z"
locale: en
meta:
description: "Niche score 49/100 · $31K/yr market · 11K searches/yr · $27.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $31K/yr market · 11K searches/yr · $27.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Tri Amino — $31K/yr Amazon US Niche (2026) - Flapen"
---
# **tri amino**
**Skip it**
A small market ($31K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 50Conversion 89Competition 21Returns 100Price range 89Avg price 95Brand share 47Review moat 49Quality gap 23
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$27.53**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****10.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$9.69–$82.30**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+19.6%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,577.92**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$31K**
$31K/yr · 11K searches
According to Flapen's Amazon United States niche tracking, tri amino is a $31K/yr Amazon United States market (11K searches/yr). The top 5 brands hold 77% of demand. Verdict: Skip it — 49/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **tri amino market data**
- **Units sold / yr**
- **1K–1K**
- avg 100–250/product
- **Revenue / yr**
- **$28K–$34K**
- units × avg price
- **Conversion rate**
- **10.5%**
- **Avg BSR**
- **#1,034**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **46%**
- **Out of stock**
- **4.3%**
- **Avg brand age**
- **103 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▲rising
**Sellers**
**44**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**12%**
- NOW Foods22% - Carlyle14% - SMARTPAK14% - Best Naturals14% - Uckele12% - Piping Rock11% - Open — no brand owns it (6 brands, 12%)
## **Top tri amino 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%5%$2K10%$3K15%$5K20%$6K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Foods Supplements Tri-Amino with L-Arginine L-Ornithine L-Lysine Supports Protein Metabolism* 120 Capsules**NOW Foods**$14.83**4.7★776 rev](https://www.amazon.com/dp/B0013OSU8Q) [2**Carlyle Tri-Amino L-Arginine L-Ornithine L-Lysine Supplement | 90 Caplets**Carlyle**$9.69**4.4★68 rev](https://www.amazon.com/dp/B0D6NPD69G) [3**SmartEquine Tri Amino 2 lb 45 Servings**SMARTPAK**$36.83**4.6★93 rev](https://www.amazon.com/dp/B07DFLT57W) [4**Best Naturals Tri-Amino with L-Arginine L-Ornithine L-Lysine 120 Tablets (New Improved Formula)**Best Naturals**$9.73**4.6★725 rev](https://www.amazon.com/dp/B07L9G6D8Y) [5**Uckele Tri Amino Horse Supplement - Equine Vitamin & Mineral Supplement - 5 Pound (lb)**Uckele**$82.30**4.7★203 rev](https://www.amazon.com/dp/B01I9QZ9BQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SP Nutrition Tri-GH Amino Complex L-Arginine L-Ornithine L-Lysine 120 Capsules Muscle Support Supplement**S Nutrition**$25.08**9 rev9mo ago](https://www.amazon.com/dp/B0FXBP5FBV) [**Carlyle Tri-Amino L-Arginine L-Ornithine L-Lysine Supplement | 90 Caplets**Carlyle**$9.69**68 rev2y ago](https://www.amazon.com/dp/B0D6NPD69G) [**Horbach Amino Acid Complex 3000mg | 250 Caplets**Horbäach**$18.93**1,771 rev4y ago](https://www.amazon.com/dp/B09KZN1BKP) [**Essential Amino Acids - 1 Gram Per Serving Powder Blend of All 9 Essential Aminos (EAA) and All Branched-Chain Aminos (BCAAs) (Leucine Isoleucine Valine) 225 Capsules Gluten Free by Double Wood**Double Wood Supplements**$18.76**7,537 rev6y ago](https://www.amazon.com/dp/B0844KTVZN) [**SmartEquine Tri Amino 2 lb 45 Servings**SMARTPAK**$36.83**93 rev7y ago](https://www.amazon.com/dp/B07DFLT57W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Pure Encapsulations Essential Amino Acids - Muscle Recovery Support & Health* - with Leucine Threonine & Tryptophan - 180 Capsules**Pure Encapsulations**$53.21**4.7★**▲ 176%**](https://www.amazon.com/dp/B074R3KVY8) [**Essential Amino Acids - 1 Gram Per Serving Powder Blend of All 9 Essential Aminos (EAA) and All Branched-Chain Aminos (BCAAs) (Leucine Isoleucine Valine) 225 Capsules Gluten Free by Double Wood**Double Wood Supplements**$18.76**4.6★**▲ 114%**](https://www.amazon.com/dp/B0844KTVZN) [**Solgar Essential Amino Complex 90 Vegetable Capsules - Free Form Essential Amino Acids - Non-GMO Vegan Gluten Free Dairy Free Kosher - 90 Servings**Solgar**$20.51**4.6★**▲ 108%**](https://www.amazon.com/dp/B00014FBTU) [**Piping Rock Tri Amino Supplement | 100 Caplets**Piping Rock**$12.81**4.6★**▲ 69%**](https://www.amazon.com/dp/B00F9EYQJS) [**Carlyle Tri-Amino L-Arginine L-Ornithine L-Lysine Supplement | 90 Caplets**Carlyle**$9.69**4.4★**▲ 51%**](https://www.amazon.com/dp/B0D6NPD69G)
**~~View all trending →~~**
## **Common questions**
- **Is tri amino profitable to sell on Amazon United States?**
- The niche generates $31K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +19.6%. Flapen's verdict: Skip it (49/100).
- **How competitive is the tri amino niche?**
- 12 brands and 44 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 77% of demand.
- **What does it cost to enter the tri amino niche?**
- Listings span $9.69–$82.30; the average listing price is $27.53 (sweet spot $15–$100). The average incumbent carries 1,578 reviews — the moat a new listing must climb.
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