dileucine
Skip itA concentrated shelf (top 5 take 92% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Price range
Great$13.74–$94.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$60.85avg listing price — sweet spot $15–$100
Review moat
Great251.57avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good4.3%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
Bad92%top-5 brand share — brand-locked demand
Market size
Bad$45K$45K/yr · 17K searches
Competition
Bad92%top-5 click share — a locked-up shelf
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
dileucine market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $30K–$46K
- units × avg price
- Conversion rate
- 4.3%
- Avg BSR
- #402
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 17.2%
- Avg brand age
- 48 months
- Avg seller age
- 163 days
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
- dileucine11K/yr
- dl1853K/yr
- dileucine peptide 1853K/yr
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.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings
Unmatched$57.965.0★15 rev
NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules
NutraBio$79.204.3★81 rev
Wise Choice Dileucine Peptide Supplement Powder | 2000mg Leucine Peptide for Muscle Growth & Recovery | Supports Protein Synthesis | 30 Servings
WISE CHOICE SUPPLEMENTS$65.394.6★28 rev
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$94.534.0★40 rev
Muscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)
BodyTech$58.554.0★1 rev
Newest
by launch dateMuscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)
BodyTech$58.551 rev
NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules
NutraBio$79.2081 rev
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$94.5340 rev
Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings
Unmatched$57.9615 rev
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$56.6248 rev
Trending
90-day click momentumMuscle Growth Peptide Powder with DL 185 Peptides (Dileucine) and myHMB Unflavored (30 Servings)
BodyTech$58.554.0★
Unmatched Dileucine Amino Acid Peptide | Fueled By DL185 | Accelerate Protein Synthesis Muscle Growth & Recovery | 90 Vegetable Capsules 30 Servings
Unmatched$57.965.0★
NutraBio Growth Peptides |Muscle Accelerator with DiLeucine & PeptiStrong | Peptides for Muscle Growth Men & Women- 28 Servings- 196 Capsules
NutraBio$79.204.3★
Wise Choice Dileucine Peptide Supplement Powder | 2000mg Leucine Peptide for Muscle Growth & Recovery | Supports Protein Synthesis | 30 Servings
WISE CHOICE SUPPLEMENTS$65.394.6★
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$94.534.0★
What buyers say about dileucine
What buyers praise and complain about, mined from review topics.What buyers love
“The quality of the pills seem good”
“Effective for muscle building”
“I would highly recommend this product to anyone looking to build more muscle, lean out, and gain a substantial amount of strength”
“Good product if taken with consistency”
“Affordable price for the dosage pero capsule”
“She's a big fan of standard process supplements and knows more than most people half her age about supplements and vitamins”
“Longevity WELLderly”
“the product seems to be working very well for me”
“Ease of Swallow:”
“Otherwise great source of dileucine and hmb”
What buyers complain about
“Seven. 7. pills to take at once is a bit much”
“This is an expensive supplement”
“cant take the taste”
“Not so strong results”
“Oral peptides are a waste”
“This is misleading”
“I didn't experience any real accelerated weight loss while taking this”
“The pills are a little large”
“sometimes difficult to swallow”
“All bcaa supplements are very bitter”
Top return reasons
Common questions
- Is dileucine profitable to sell on Amazon United States?
- 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).
- How competitive is the dileucine niche?
- 7 brands and 11 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in dileucine?
- Top complaints mined from reviews: Dosage, Value For Money, Taste-Overall. The return rate is 0.0%.
- What does it cost to enter the dileucine niche?
- 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.