L Citrulline Powder
Worth a lookShows low returns (0.0%), but brand-locked demand (top 5 brands take 93% of clicks) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible13.5%search→purchase rate — share of searches ending in a sale
Price range
Great$14.61–$33.31cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$20.98avg listing price — sweet spot $15–$100
Market size
Good$817K$817K/yr · 289K searches
Review moat
Okay2,697.44avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad71%top-5 click share — a locked-up shelf
Growth
Bad-5.8%90-day search growth — must beat 0% to launch
Brand share
Bad93%top-5 brand share — brand-locked demand
Is l citrulline powder profitable on Amazon?
According to Flapen's Amazon United States niche tracking, l citrulline powder is a $817K/yr Amazon United States market (289K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 53/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
l citrulline powder market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 30K–40K
- avg 2,000–2,500/product
- Revenue / yr
- $629K–$839K
- units × avg price
- Conversion rate
- 13.5%
- Avg BSR
- #250
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 3.4%
- Avg brand age
- 76 months
- Avg seller age
- 146 days
Competition: brands, sellers & click share
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
21
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
4%
- Nutricost37%
- BulkSupplements34%
- Kaged14%
- Type Zero4%
- Bucked Up4%
- NOW Foods3%
- Open — no brand owns it (3 brands, 4%)
l citrulline powder demand & seasonality
Weekly Amazon search volume, last 101 weeks — -5.8% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 2.0×
Top l citrulline powder search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- l citrulline powder152K/yr
- l-citrulline powder51K/yr
- citrulline powder35K/yr
- nutricost l citrulline11K/yr
- kaged citrulline5K/yr
- l citrulline powder for men6K/yr
- nutricost l-citrulline5K/yr
- bulk supplements l-citrulline powder2K/yr
- bulk supplements l citrulline6K/yr
- bulksupplements l-citrulline powder3K/yr
Top l citrulline powder products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nutricost Pure L-Citrulline (Base) Powder 250 Grams
Nutricost$19.824.7★3,343 rev
Nutricost Pure L-Citrulline (Base) Powder (600 Grams)
Nutricost$29.474.7★3,343 rev
Kaged L-Citrulline Powder | Unflavored | Enhanced Pumps | Improve Muscle Vascularity | Nitric Oxide Booster | Supplements for Men & Women | 100 Servings
Kaged$16.364.7★289 rev
BulkSupplements.com L-Citrulline Powder - Citrulline Supplement Nitric Oxide Supplement - Unflavored & Gluten Free - 3g per Servings 500g (1.1 lbs) (Pack of 1)
BulkSupplements$22.574.7★4,490 rev
BulkSupplements.com L-Citrulline Powder - Citrulline Supplement Nitric Oxide Supplement - Unflavored & Gluten Free - 3g per Servings 1kg (2.2 lbs) (Pack of 1)
BulkSupplements$33.314.7★4,490 rev
Newest
by launch date
L Citrulline Powder Supplements (3g) Support L Arginine & Nitric Oxide Booster Powder - L-Citruline Supplements For Men & Women - Stamina Endurance Performance for Workouts - Vegan & USA Made
DORADO NUTRITION$19.951,894 rev
Best Naturals L-Citrulline Malate 2:1 Powder 1 Lb
Best Naturals$14.61143 rev
Type Zero L-Citrulline Base Powder 3 000mg Per Serving - 100 Servings
Type Zero$16.93218 rev
BulkSupplements.com L-Citrulline Capsules - Citrulline Supplement L-Citrulline 3000mg Capsules - Citrulline Pills Gluten Free - 8 Capsules per Serving 240 Capsules (Pack of 1)
BulkSupplements$18.11246 rev
Bucked Up L-Citrulline 3000mg Powder Essentials (100 Servings)
Bucked Up$17.72368 rev
Trending
90-day click momentum
BulkSupplements.com L-Citrulline Powder - Circulation Supplements - Citrulline Supplement - L-Citrulline Powder - Vegan Pre Workout - Unflavored Pre Workout (250 Grams - 8.8 oz)
BulkSupplements$17.964.7★
BulkSupplements.com L-Citrulline Capsules - Citrulline Supplement L-Citrulline 3000mg Capsules - Citrulline Pills Gluten Free - 8 Capsules per Serving 240 Capsules (Pack of 1)
BulkSupplements$18.114.3★
BulkSupplements.com L-Citrulline Powder - Citrulline Supplement Nitric Oxide Supplement - Unflavored & Gluten Free - 3g per Servings 1kg (2.2 lbs) (Pack of 1)
BulkSupplements$33.314.7★
Kaged L-Citrulline Powder | Unflavored | Enhanced Pumps | Improve Muscle Vascularity | Nitric Oxide Booster | Supplements for Men & Women | 100 Servings
Kaged$16.364.7★
BulkSupplements.com L-Citrulline Malate 2:1 Powder - Nitric Oxide Boost Citrulline Malate Supplement - Unflavored & Gluten Free - 3g per Servings 1kg (2.2 lbs) (Pack of 1)
BulkSupplements$30.404.6★
What reviews say buyers love and hate about l citrulline powder
What buyers praise and complain about, mined from review topics.What buyers love
“Great value and my go to for bulk powders”
“Fair price”
“Helps with blood pressure”
“Taste good”
“Dissolves easily in liquids”
“Effective”
“Decent supplements”
“this product works as advertised”
“It keeps my energy up during training”
“No extra unwanted ingredients”
What buyers complain about
“The taste was extremely bitter”
“Absolutely no results”
“cheaper”
“They do have quality control problems though”
“It's not actually a flavor”
“could not tell any difference in blood flow even at 3 doses a day”
“DOES NOT DO WHAT ADVERTISED”
“I think they could make the spoon smaller”
“it is bitter”
“Strong effects”
Top return reasons
Common l citrulline powder questions
- Is l citrulline powder profitable to sell on Amazon United States?
- The niche generates $817K/yr across 18 tracked products. 90-day search growth is -5.8%. Flapen's verdict: Worth a look (53/100).
- How competitive is the l citrulline powder niche?
- 9 brands and 21 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in l citrulline powder?
- Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Value For Money. The return rate is 0.0%.
- When does demand for l citrulline powder peak?
- Demand peaks in Apr–May; the busiest month runs 2.0× the quietest.
- What does it cost to enter the l citrulline powder niche?
- Listings span $14.61–$33.31; the average listing price is $20.98 (sweet spot $15–$100). The average incumbent carries 2,697 reviews — the moat a new listing must climb.