L-Tyrosine from United States
L-Tyrosine is a phenolic amino acid with a carboxylic acid and a hydroxyl oxygen function. It is a separate chemically defined organic compound classified under heading 29.22. It serves as a precursor for neurotransmitters and is used in supplements.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not a peptide
• Provide the CAS number and purity certificate
• If imported as a supplement, check Natural Health Product regulations