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L-Ornithine

amino acid

75
products
Updated April 2026

Dosage Range

0 mgavg 456.2 mg4000 mg

L-Ornithine is found in 161 supplement products from 48 brands. Dosages range from 0 to 4000 mg, with an average of 456.2. The most common form is Capsule.

Top 5 Highest-Dosage L-Ornithine Supplements

  1. Ornithine 500 mg by Dr. Clark Store4000 mg
  2. L-Ornithine 500 mg by NOW1500 mg
  3. Cocoa HGH by DaVinci Laboratories1000 mg
  4. Maxi-HGH by DaVinci Laboratories1000 mg
  5. L-Arginine L-Ornithine 2500 by GNC Pro Performance1000 mg

Ornithine 500 mg by Dr. Clark Store has the highest L-Ornithine dosage at 4000 mg. Pro-GH by NOW Sports has the lowest at 1.5 Gram(s).

All Products

showing 75 of 75
L-Ornithine 500 mgNOW
1500 mg DVCapsule
Maxi-HGHDaVinci Laboratories
1000 mg DVPowder
Arginine & OrnithineGNC Pro Performance
1000 mg DVTablet or Pill
GH Pituitary Support Day Formula
● OTHER INGREDIENTS (2)
Life Extension
800 mg DVTablet or Pill
Arginine Ornithine Lysine
● OTHER INGREDIENTS (1)
Ultimate Nutrition Platinum Series
750 mg DVCapsule
Arginine & Ornithine 2000 mg
● OTHER INGREDIENTS (2)
The Vitamin Shoppe
750 mg DVCapsule
Bi-Amino Complex
● OTHER INGREDIENTS (1)
Vitamin World
500 mg DVCapsule
Free Form Amino Acid L-Ornithine 500 mg
● OTHER INGREDIENTS (2)
Nature's Plus
500 mg DVCapsule
L-Ornithine 500 mg
● OTHER INGREDIENTS (2)
Solgar
500 mg DVCapsule
Super Amino Night
● OTHER INGREDIENTS (2)
Source Naturals
500 mg DVTablet or Pill
Awe Slim!NOW
500 mg DVLiquid
L-Ornithine Amino Acid 500 mg
● OTHER INGREDIENTS (1)
Swanson Premium Brand
500 mg DVCapsule
L-Ornithine
● OTHER INGREDIENTS (2)
Twinlab
500 mg DVCapsule
L-Ornithine 500 mg
● OTHER INGREDIENTS (1)
Swanson
500 mg DVCapsule
Liver Support & Detox Intensive Lemon-Berry Flavor
● OTHER INGREDIENTS (1)
Genestra Brands
450 mg DVOther (e.g. tea bag)
GH-Boost Tea-Berry Blast
● OTHER INGREDIENTS (2)
Nugenix
400 mg DVPowder
Nugenix GH-Boost Tea-Berry Blast
● OTHER INGREDIENTS (1)
Nugenix
400 mg DVOther (e.g. tea bag)
Tri-Amino
● OTHER INGREDIENTS (1)
NOW
400 mg DVCapsule
ZZZ Razzzberry Lemonade
⚠ EXCEEDS UL
● OTHER INGREDIENTS (1)
Core Nutritionals
400 mg DVPowder
HGH-Up Hormone Support
● OTHER INGREDIENTS (2)
Totally Products
300 mg DVCapsule
L-Arginine L-Ornithine Hydrochloride Caps
● OTHER INGREDIENTS (2)
Country Life
293 mg DVCapsule
Take Heart II Without Hormones
⚠ EXCEEDS UL
● OTHER INGREDIENTS (1)
Allergy Research Group
200 mg DVPowder
Nighttime Recovery
● OTHER INGREDIENTS (4)
AdvoCare
200 mg DVOther (e.g. tea bag)
Focus
● OTHER INGREDIENTS (1)
Qualia
200 mg DVCapsule
Arginine Power Super Stack
● OTHER INGREDIENTS (2)
NOW Sports
200 mg DVCapsule
Optimum-Strength Testosterone UP PRO-GrowtH
● OTHER INGREDIENTS (3)
Irwin Naturals
150 mg DVSoftgel Capsule
PM Total Test
● OTHER INGREDIENTS (2)
Totally Products
150 mg DVCapsule
HyperGH 14x
● OTHER INGREDIENTS (2)
Leading Edge Health
100 mg DVTablet or Pill
Renew 180
● OTHER INGREDIENTS (1)
Indiana Botanic Gardens
50 mg DVCapsule
Liver Care
● OTHER INGREDIENTS (1)
Beyond Health
40 mg DVCapsule
GH MALE
● OTHER INGREDIENTS (1)
NaturesPlus
30 mg DVCapsule
Amino 1000
● OTHER INGREDIENTS (2)
Precision Engineered
30 mg DVOther (e.g. tea bag)
Total TM
● OTHER INGREDIENTS (1)
Nutri-West
10 mg DVTablet or Pill
Whole System LymphNutri-West
3 mg DVTablet or Pill
L-Ornithine 667 mg
● OTHER INGREDIENTS (2)
Source Naturals
2 Gram(s) DVCapsule
L-Ornithine PowderSource Naturals
1.9 Gram(s) DVPowder
Pro-GH Fruit Punch Flavor
● OTHER INGREDIENTS (1)
NOW Sports
1.5 Gram(s) DVPowder
Vitality Renewal Formula
● OTHER INGREDIENTS (1)
Swanson
1.5 mcg DVLiquid
Max Brain
● OTHER INGREDIENTS (2)
XYMOGEN
1 mg DVCapsule
Maxi-HGHDiscontinuedDaVinci Laboratories of Vermont
1000 mg DVPowder
Maxi-HGHDiscontinuedDaVinci Laboratories Of Vermont
1000 mg DVPowder
L-Arginine L-OrnithineDiscontinuedGNC Pro Performance
1000 mg DVTablet or Pill
Cocoa HGHDiscontinuedDaVinci Laboratories of Vermont
1000 mg DVPowder
L-OrnithineDiscontinuedNOW Sports
800 mg DVPowder
Liquid Weight Loss Advanced FormulaDiscontinued
● OTHER INGREDIENTS (1)
California Academy of Health
500 mg DVLiquid
Arginine & Ornithine 500/250Discontinued
● OTHER INGREDIENTS (1)
NOW Sports
500 mg DVCapsule
L-Arginine L-Ornithine Hydrochloride Caps 1000 mgDiscontinued
● OTHER INGREDIENTS (2)
Country Life
293 mg DVCapsule
L-Arginine L-Ornithine CapsDiscontinued
● OTHER INGREDIENTS (2)
Country Life
293 mg DVCapsule
L-Arginine L-Ornithine 500 mg/250 mgDiscontinued
● OTHER INGREDIENTS (2)
Solgar
250 mg DVCapsule
Arginine + OrnithineDiscontinued
● OTHER INGREDIENTS (2)
Jarrow Formulas
250 mg DVTablet or Pill
Arginine + Ornithine 750 mgDiscontinued
● OTHER INGREDIENTS (2)
Jarrow Formulas
250 mg DVTablet or Pill
L-Arginine L-Ornithine 500 mg / 250 mgDiscontinued
● OTHER INGREDIENTS (2)
Solgar
250 mg DVCapsule
L-Arginine L-Ornithine 500/250Discontinued
● OTHER INGREDIENTS (2)
Solgar
250 mg DVCapsule
Advanced Night TrimDiscontinued
● OTHER INGREDIENTS (2)
Extreme Products
150 mg DVCapsule
Mega ForceDiscontinued
⚠ EXCEEDS UL (2)
● OTHER INGREDIENTS (2)
Nature's Plus
50 mg DVTablet or Pill
GH MaleDiscontinued
● OTHER INGREDIENTS (1)
Nature's Plus
30 mg DVCapsule
Amino 1000DiscontinuedNOW
24 mg DVCapsule
Amino BlendDiscontinuedPL Progressive Laboratories
23 mg DVCapsule
Zow Multi-Vites For Teenage BoysDiscontinuedNutrition Now
20 mg DVTablet or Pill
Core Level Adrenal 120 TabletsDiscontinued
● OTHER INGREDIENTS (1)
Nutri-West
10 mg DVTablet or Pill
Pro-GHDiscontinued
● OTHER INGREDIENTS (1)
NOW Sports
1.5 Gram(s) DVPowder

Frequently Asked Questions

How many products contain L-Ornithine?

There are 161 supplement products containing L-Ornithine from 48 brands in the NIH DSLD database.

What is the average L-Ornithine dosage?

The average L-Ornithine dosage across supplement products is 456.2 mg. Dosages range from 0 to 4000 mg.

What is the most common form for L-Ornithine supplements?

The most common product form for L-Ornithine supplements is Capsule.

What brands make L-Ornithine supplements?

There are 48 brands that make supplements containing L-Ornithine in the NIH DSLD database.

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Quick Facts

Products
161
Brands
48
Avg Dose
456.2 mg
Common Form
Capsule
Category
amino acid