---
title: "Dileucine — $45K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/dileucine"
last_updated: "2026-08-11T09:04:08.261Z"
locale: en
meta:
  description: "Niche score 46/100 · $45K/yr market · 17K searches/yr · $60.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $45K/yr market · 17K searches/yr · $60.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Dileucine — $45K/yr Amazon US Niche (2026) - Flapen"
---

# **dileucine**

**Skip it**

A concentrated shelf (top 5 take 92% of clicks) — this niche doesn't clear our bar today.

Market size 11Growth 38Conversion 53Competition 6Returns 100Price range 94Avg price 89Brand share 19Review moat 87Quality gap 68

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Price range**

**Great****$13.74–$94.53**

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

**Avg price**

**Great****$60.85**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****251.57**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****4.3%**

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

**Growth**

**Okay****+10.7%**

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

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

**Market size**

**Bad****$45K**

$45K/yr · 17K searches

**Competition**

**Bad****92%**

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") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, dileucine is a $45K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 46/100.

Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **dileucine market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**500–750**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$30K–$46K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#402**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**17.2%**</dd>

<dt>**Avg brand age**</dt><dd>**48 months**</dd>

<dt>**Avg seller age**</dt><dd>**163 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**7 **▲rising

**Sellers**

**11**

**Top-5 brand share**

**92%**

Top 20: 100%

**Top-5 click share**

**92%**

Top 20: 100%

**Open market**

**3%**

- Unmatched37% - NutraBio23% - WISE CHOICE SUPPLEMENTS18% - Advanced Bionutritionals9% - BodyTech6% - ONE OF ONE4% - Open — no brand owns it (1 brand, 3%)

## **Top dileucine search terms**

- **dileucine**11K/yr+2.2%3.9% conv. - **dl185**3K/yr+26.2%2.4% conv. - **dileucine peptide 185**3K/yr+31.7%6.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/dileucine/search-terms)

## **Top dileucine 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%10%$5K20%$9K30%$14K40%$18K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 7 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings](https://m.media-amazon.com/images/I/31Z7mCKQsdL.jpg)**Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings**Unmatched**$57.96**5.0★15 rev](https://www.amazon.com/dp/B0F3G5GQM3) [2![NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules](https://m.media-amazon.com/images/I/414WDQ1KI8L.jpg)**NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules**NutraBio**$79.20**4.3★81 rev](https://www.amazon.com/dp/B0FQCMHJ8W) [3![Wise Choice Dileucine Peptide Supplement Powder | 2000mg Leucine Peptide for Muscle Growth & Recovery | Supports Protein Synthesis | 30 Servings](https://m.media-amazon.com/images/I/41vXyBBaJAL.jpg)**Wise Choice Dileucine Peptide Supplement Powder | 2000mg Leucine Peptide for Muscle Growth & Recovery | Supports Protein Synthesis | 30 Servings**WISE CHOICE SUPPLEMENTS**$65.39**4.6★28 rev](https://www.amazon.com/dp/B0DS672LK9) [4![Advanced Bionutritionals Advanced Muscle Plus Muscle Supplement with Peptide DL185 (Dileucine) & MyHMB Workout Recovery Amino Acids & HMB Tablets for Men & Women 30 Servings](https://m.media-amazon.com/images/I/41ZyEfGJe6L.jpg)**Advanced Bionutritionals Advanced Muscle Plus Muscle Supplement with Peptide DL185 (Dileucine) & MyHMB Workout Recovery Amino Acids & HMB Tablets for Men & Women 30 Servings**Advanced Bionutritionals**$94.53**4.0★40 rev](https://www.amazon.com/dp/B0FC4WN2NF) [5![Muscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)](https://m.media-amazon.com/images/I/51vTikpQ9tL.jpg)**Muscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)**BodyTech**$58.55**4.0★1 rev](https://www.amazon.com/dp/B0GZWRH4PB)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Muscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)](https://m.media-amazon.com/images/I/51vTikpQ9tL.jpg)**Muscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)**BodyTech**$58.55**1 rev2mo ago](https://www.amazon.com/dp/B0GZWRH4PB) [![NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules](https://m.media-amazon.com/images/I/414WDQ1KI8L.jpg)**NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules**NutraBio**$79.20**81 rev10mo ago](https://www.amazon.com/dp/B0FQCMHJ8W) [![Advanced Bionutritionals Advanced Muscle Plus Muscle Supplement with Peptide DL185 (Dileucine) & MyHMB Workout Recovery Amino Acids & HMB Tablets for Men & Women 30 Servings](https://m.media-amazon.com/images/I/41ZyEfGJe6L.jpg)**Advanced Bionutritionals Advanced Muscle Plus Muscle Supplement with Peptide DL185 (Dileucine) & MyHMB Workout Recovery Amino Acids & HMB Tablets for Men & Women 30 Servings**Advanced Bionutritionals**$94.53**40 rev1y ago](https://www.amazon.com/dp/B0FC4WN2NF) [![Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings](https://m.media-amazon.com/images/I/31Z7mCKQsdL.jpg)**Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings**Unmatched**$57.96**15 rev1y ago](https://www.amazon.com/dp/B0F3G5GQM3) [![ONE OF ONE Peptide Builder Advanced Muscle-Building & Recovery Formula with PeptiStrong & DL185 Enhances Muscle Protein Synthesis Supports Muscle Health and Recovery - Unflavored 30 Servings](https://m.media-amazon.com/images/I/41gGrKjX7pL.jpg)**ONE OF ONE Peptide Builder Advanced Muscle-Building & Recovery Formula with PeptiStrong & DL185 Enhances Muscle Protein Synthesis Supports Muscle Health and Recovery - Unflavored 30 Servings**ONE OF ONE**$56.62**48 rev1y ago](https://www.amazon.com/dp/B0DWXBC35N)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Muscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)](https://m.media-amazon.com/images/I/51vTikpQ9tL.jpg)**Muscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)**BodyTech**$58.55**4.0★**▲ 118%**](https://www.amazon.com/dp/B0GZWRH4PB) [![Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings](https://m.media-amazon.com/images/I/31Z7mCKQsdL.jpg)**Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings**Unmatched**$57.96**5.0★**▲ 48%**](https://www.amazon.com/dp/B0F3G5GQM3) [![NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules](https://m.media-amazon.com/images/I/414WDQ1KI8L.jpg)**NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules**NutraBio**$79.20**4.3★**— 2%**](https://www.amazon.com/dp/B0FQCMHJ8W) [![Wise Choice Dileucine Peptide Supplement Powder | 2000mg Leucine Peptide for Muscle Growth & Recovery | Supports Protein Synthesis | 30 Servings](https://m.media-amazon.com/images/I/41vXyBBaJAL.jpg)**Wise Choice Dileucine Peptide Supplement Powder | 2000mg Leucine Peptide for Muscle Growth & Recovery | Supports Protein Synthesis | 30 Servings**WISE CHOICE SUPPLEMENTS**$65.39**4.6★**▼ 26%**](https://www.amazon.com/dp/B0DS672LK9) [![Advanced Bionutritionals Advanced Muscle Plus Muscle Supplement with Peptide DL185 (Dileucine) & MyHMB Workout Recovery Amino Acids & HMB Tablets for Men & Women 30 Servings](https://m.media-amazon.com/images/I/41ZyEfGJe6L.jpg)**Advanced Bionutritionals Advanced Muscle Plus Muscle Supplement with Peptide DL185 (Dileucine) & MyHMB Workout Recovery Amino Acids & HMB Tablets for Men & Women 30 Servings**Advanced Bionutritionals**$94.53**4.0★**▼ 30%**](https://www.amazon.com/dp/B0FC4WN2NF)

**~~View all trending →~~**

## **What buyers say about dileucine**

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

### **What buyers love **

**Quality-Overall**26%

*“The quality of the pills seem good”*

**Muscle Pain Relief**22%

*“Effective for muscle building”*

**Weight Loss**6%

*“I would highly recommend this product to anyone looking to build more muscle, lean out, and gain a substantial amount of strength”*

**Texture/Consistency-Overall**4%

*“Good product if taken with consistency”*

**Dosage**4%

*“Affordable price for the dosage pero capsule”*

**Vitamin**4%

*“She's a big fan of standard process supplements and knows more than most people half her age about supplements and vitamins”*

**Durability**4%

*“Longevity WELLderly”*

**Efficiency**4%

*“the product seems to be working very well for me”*

**Ease Of Chewing/Swallowing**3%

*“Ease of Swallow:”*

**Ingredients-Overall**2%

*“Otherwise great source of dileucine and hmb”*

### **What buyers complain about **

**Dosage**14%

*“Seven. 7. pills to take at once is a bit much”*

**Value For Money**11%

*“This is an expensive supplement”*

**Taste-Overall**10%

*“cant take the taste”*

**Strength**7%

*“Not so strong results”*

**Oral Hygiene**7%

*“Oral peptides are a waste”*

**Advertised Vs Actual Product**7%

*“This is misleading”*

**Weight Loss**5%

*“I didn't experience any real accelerated weight loss while taking this”*

**Size-Overall**4%

*“The pills are a little large”*

**Ease Of Chewing/Swallowing**4%

*“sometimes difficult to swallow”*

**Bitter**3%

*“All bcaa supplements are very bitter”*

### **Top return reasons **

**Dosage**100%

## **Common questions**

<dl>

<dt>**Is dileucine profitable to sell on Amazon United States?**</dt><dd>The niche generates $45K/yr across 7 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +10.7%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the dileucine niche?**</dt><dd>7 brands and 11 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 92% of demand.</dd>

<dt>**What do buyers complain about in dileucine?**</dt><dd>Top complaints mined from reviews: Dosage, Value For Money, Taste-Overall. The return rate is 0.0%.</dd>

<dt>**What does it cost to enter the dileucine niche?**</dt><dd>Listings span $13.74–$94.53; the average listing price is $60.85 (sweet spot $15–$100). The average incumbent carries 252 reviews — the moat a new listing must climb.</dd>

</dl>

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