Is hmb and leucine supplements profitable to sell on Amazon United States?

The niche generates $48K/yr across 23 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +93.2%. Flapen's verdict: Worth a look (62/100).

How competitive is the hmb and leucine supplements niche?

18 brands and 34 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 70% of demand.

What do buyers complain about in hmb and leucine supplements?

Top complaints mined from reviews: Taste-Overall, Value For Money, Side Effects. The return rate is 0.0%.

What does it cost to enter the hmb and leucine supplements niche?

Listings span $13.21–$93.19; the average listing price is $27.64 (sweet spot $15–$100). The average incumbent carries 959 reviews — the moat a new listing must climb.

hmb and leucine supplements

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$27.64

avg listing price — sweet spot $15–$100

Price range

Great$13.21–$93.19

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

Growth

Great+93.2%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good958.57

avg incumbent reviews — the moat a new listing must climb

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Conversion

Good4.4%

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

Competition

Okay59%

top-5 click share — leaders hold, buyers still browse

Market size

Bad$48K

$48K/yr · 39K searches

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, hmb and leucine supplements is a $48K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 62/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

hmb and leucine supplements market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $55K–$69K; units × avg price
Conversion rate: 4.4%
Avg BSR: #513
Page quality: 0%
Prime: 100%
Sponsored: 96%
Out of stock: 6.5%
Avg brand age: 51 months
Avg seller age: 167 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

59%

Top 20: 97%

Open market

26%

Lumo Nutrition20%
VINATURA17%
HFELIZ12%
Nutricost11%
ABYSSUS10%
Muscle Defense5%

Top hmb and leucine supplements search terms

leucine hmb velositol ursolic acid9K/yr +334.3%4.0% conv.
velositol ursolic leucine hmb9K/yr +346.9%4.1% conv.
hmb leucine5K/yr -37.3%4.3% conv.
leucine hmb4K/yr -14.3%4.3% conv.
hmb and leucine supplements8K/yr -46.9%5.7% conv.
amino acid hmb and leucine3K/yr -67.2%0.0% conv.
leucine hmb amino acids supplement2K/yr +49.5%1.6% conv.

All search terms

Top hmb and leucine supplements 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.

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

All 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Lumo Nutrition Protein Synthesis Formula + Ursolic Acid HMB Leucine Velositol (MyoVera) - Muscle Recovery & Workout Supplement | Vegetarian Non-GMO Gluten Free | Clean Powder - 30 Servings

Lumo Nutrition$54.893.6★43 rev

VINATURA Velositol Supplements - Protein Synthesis Enhancer for Strength and Muscle Support for Men and Women 90 Capsules

VINATURA$25.964.5★39 rev

HFELIZ HMB and Leucine Supplement 3500mg L-Leucine HMB with Vitamin D3 Amino Acid BCAA for Men Vegan Gluten Free 90 Capsules

HFELIZ$24.884.2★79 rev

ABYSSUS HMB & Leucine Capsules 3000mg Muscle Health for Adults 90 Ct

ABYSSUS$18.124.6★56 rev

ApexLabs Apex Muscle Defense by Dr. Tracy Gapin- Hydrolyzed Whey Protein Blend with HMB Leucine Ursolic Acid & Velositol - Supports Lean Muscle Growth Strength & Recovery Vanilla - 15 Servings

Muscle Defense$93.193.7★60 rev

Newest

by launch date

ApexLabs Apex Muscle Defense by Dr. Tracy Gapin- Hydrolyzed Whey Protein Blend with HMB Leucine Ursolic Acid & Velositol - Supports Lean Muscle Growth Strength & Recovery Vanilla - 15 Servings

Muscle Defense$93.1960 rev

4mo ago

Jacked Factory HMB + Leucine Capsules - L-Leucine 2g HMB 1g - Stimulate Muscle Growth Protect Lean Muscle Mass and Improve Athletic Performance - 180 Capsules

Jacked Factory$13.2139 rev

5mo ago

VINATURA Velositol Supplements - Protein Synthesis Enhancer for Strength and Muscle Support for Men and Women 90 Capsules

VINATURA$25.9639 rev

7mo ago

Lumo Nutrition Protein Synthesis Formula + Ursolic Acid HMB Leucine Velositol (MyoVera) - Muscle Recovery & Workout Supplement | Vegetarian Non-GMO Gluten Free | Clean Powder - 30 Servings

Lumo Nutrition$54.8943 rev

9mo ago

Hmb and L-Leucine Gummies Essential Amino Acids EAA Supplements for Men & Women w/Branched-Chain Amino (BCAA) & 4 Electrolytes Taurine L-Citrulline PS Vitamins B12 & D3 Sugar Free 60Cts

Nextdia$28.5447 rev

10mo ago

What buyers say about hmb and leucine supplements

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

What buyers love

Quality-Overall13%

“Quality You Can Trust – Manufactured in a GMP-certified facility”

Muscle Pain Relief10%

“Muscle recovery”

Taste-Overall8%

“Surprisingly smooth and actually tastes like vanilla”

Nutritional Content5%

“Highly effective supplement”

Value For Money5%

“Good value”

Vitamin4%

“Loves this its on my daily vitamin intake for the past few yrs”

Efficiency4%

“I conclude it is effective”

Ease Of Use3%

“is easy to store”

Flavor3%

“Good flavor”

Ingredients-Overall3%

“The ingredients are quite interesting”

What buyers complain about

Taste-Overall12%

“it tasted bitter”

Value For Money9%

“More Expensive”

Side Effects5%

“I had bad reactions to it”

Dosage5%

“I just couldnt keep taking them as much as I tried”

Smell5%

“I feel stronger smells”

Nutritional Content4%

“Although not that impressive in grams of protein”

Functionality-Overall4%

“Didnt work for me”

Acid Regulator/Stomach Ache Relief4%

“Stomach issues”

Size-Overall3%

“Capsules are just too big”

Flavor3%

“I dont typically like lemon/lime flavoring”

Top return reasons

Taste-Overall29%

Ease Of Chewing/Swallowing29%

Ingredients-Overall14%

Functionality-Overall14%

Acid Regulator/Stomach Ache Relief7%

Side Effects7%

Common questions

Is hmb and leucine supplements profitable to sell on Amazon United States?: The niche generates $48K/yr across 23 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +93.2%. Flapen's verdict: Worth a look (62/100).
How competitive is the hmb and leucine supplements niche?: 18 brands and 34 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in hmb and leucine supplements?: Top complaints mined from reviews: Taste-Overall, Value For Money, Side Effects. The return rate is 0.0%.
What does it cost to enter the hmb and leucine supplements niche?: Listings span $13.21–$93.19; the average listing price is $27.64 (sweet spot $15–$100). The average incumbent carries 959 reviews — the moat a new listing must climb.