Using a single amino acid
supplement may lead to negative nitrogen balance. This can lessen how well your
metabolism works. It can also make your kidneys work harder. In children, taking single
amino acid supplements may also cause growth problems. It may also cause seizures
Don't take high doses of single
amino acids for long periods of time.
Don't take high doses of single amino acids without talking with
your healthcare provider.
Women who are pregnant or
breastfeeding shouldn’t take glycine supplements.