Home
›
Ornithine
Ornithine
Low concern
L-ornithine is a naturally occurring amino acid in the urea cycle. Used as a dietary supplement; doses up to several grams daily appear well tolerated.
Found in
8 products
What it is
Non-proteinogenic amino acid involved in the urea cycle; commonly sold as L-ornithine HCl.
Dietary supplement; not a food additive.
Why it's flagged
- GI upset at high doses
- caution in liver disease
What regulators actually say
"Ornithine is a non-proteinogenic amino acid that plays a central role in the urea cycle, where it functions in the elimination of excess nitrogen."
Regulatory status
United States — FDA
Marketed as a dietary ingredient under DSHEA; not a permitted food additive.
European Union — EFSA
Authorized in food supplements under Directive 2002/46/EC.
Scan it before you buy it
Get Ube on iOS or Android — point at any barcode, see what's actually in there.
Get the app