Sometimes the only warning is 'contains phenylalanine'.    From Wordnik.com.  [Aspartame harms young brains; New Zealand Petition asks for Ban in Schools; New Mexico Physician Stoller Testifies] Reference

I gave him some. tryptophan, too, and some phenylalanine.    From Wordnik.com.  [Sign of Chaos]

Food that are high in both phenylalanine and tyrosine include.    From Wordnik.com.  [Dr. Eric Braverman: Why Snickers Really Satisfies] Reference

Some examples of amino acids are lysine, phenylalanine, and tryptophan.    From Wordnik.com.  [amino acids] Reference

Excessive accumulation of phenylalanine in the body causes brain damage.    From Wordnik.com.  [Have Your Babies Newborn Screened] Reference

The fetal placenta can concentrate phenylalanine and cause mental retardation.    From Wordnik.com.  [The Aspartame Scandal: This Artificial Sweetener is the Thalidomide of the 90's] Reference

Aspartame also is one part phenylalanine, and one part methyl (or wood) alcohol.    From Wordnik.com.  [Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame] Reference

Plasma phenylalanine levels are not regulated by any known homeostatic mechanism.    From Wordnik.com.  [Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame] Reference

The phenylalanine in aspartame lowers the seizure threshold and depletes serotonin.    From Wordnik.com.  [Epilepsy Study Incriminates Aspartame in Medications] Reference

Aspartame is the only known phenylalanine-containing food that elevates this ratio.    From Wordnik.com.  [Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame] Reference

Those few babies that have it lack an enzyme for digesting a nutrient, phenylalanine.    From Wordnik.com.  [Millennium Evening Transcript Informatics Meets Genomics] Reference

As the result, phenylalanine can build up in the body and cause severe mental retardation.    From Wordnik.com.  [Biotransformation] Reference

Wow Steve, I would seriously rethink your suggestion on Nutra- sweet/ Equal / phenylalanine.    From Wordnik.com.  [HuffPost Energy Makeover: Lifestyle Details, Old And New] Reference

This also could be partially related to aspartame because the molecule has 50% phenylalanine.    From Wordnik.com.  [Hawaii AspartameTask Force Resolution by Rep. Green, M.D.; Former FDA Investigator Art Evangelista Details Neurotoxicity] Reference

Aspartame is basically phenylalanine, a natural constituent of most protein-containing foods.    From Wordnik.com.  [Biotransformation] Reference

Test for phenylketonuria at birth, and prescribe phenylalanine-free diets for those so afflicted.    From Wordnik.com.  [Cry Panic!, Bryan Caplan | EconLog | Library of Economics and Liberty] Reference

Gavin can also inhibit this metabolizing by-it appears-varying the level of his blood phenylalanine.    From Wordnik.com.  [Gravity's Rainbow]

THE HUMAN BBAIN OUR MIND ability to form this enzyme, phenylalanine cannot undergo the proper conversion.    From Wordnik.com.  [The Human Brain]

In this same study 15% of pregnant women reached this toxic level of phenylalanine and 36% of PKU carriers.    From Wordnik.com.  [Testimony re: Hawaii Rep. Josh Green, M.D., Resolution re: Aspartame in Hawaii] Reference

Last week I talked about the foods that were high in tyrosine and phenylalanine, the precursors to dopamine.    From Wordnik.com.  [Dr. Eric Braverman: You Don't Have to Live With Menopausal Madness] Reference

Irie, K., and Wurtman, R.J. Effects of phenylalanine on the release of endogenous dopamine from rat striatal slices.    From Wordnik.com.  [Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame] Reference

If they have PKU, they must be given a special diet to restrict the intake of phenylalanine in infancy and childhood.    From Wordnik.com.  [Biotransformation] Reference

Bloodshot eyes can be an indicator of a lack of vitamin B2, B6 and the amino acids histidine, lysine and phenylalanine.    From Wordnik.com.  [Human Eye: Part 4] Reference

Or the symptoms of phenylketonuria--are they caused by the gene mutation making its possessor incapable of digesting phenylalanine?.    From Wordnik.com.  [Cry Panic!, Bryan Caplan | EconLog | Library of Economics and Liberty] Reference

If you must use caffeine, you might want to look into a caffeine source that includes phenylalanine assuming you are not sensitive.    From Wordnik.com.  [HuffPost Energy Makeover: Lifestyle Details, Old And New] Reference

All of these relationships have now been demonstrated; most recently, the ability of phenylalanine to suppress dopamine release (24).    From Wordnik.com.  [Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame] Reference

Consumption of dietary phenylalanine in the usual way, as a constituent of protein, does not elevate brain phenylalanine levels (19).    From Wordnik.com.  [Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame] Reference

And in fact there is a ‘vaccine’ — or more accurately, a treatment low-phenylalanine diets — that eliminates this retardation.    From Wordnik.com.  [The Volokh Conspiracy » Some Scientists’ Openness to the Possibility of Genetic Differences in Mental Traits Among Racial and Ethnic Groups] Reference

And in fact there is a ‘vaccine’ — or more accurately, a treatment (low-phenylalanine diets) — that eliminates this retardation.    From Wordnik.com.  [The Volokh Conspiracy » Some Scientists’ Openness to the Possibility of Genetic Differences in Mental Traits Among Racial and Ethnic Groups] Reference

At any particular time plasma levels simply reflect the amounts of phenylalanine being absorbed from the foods most recently eaten (16,17).    From Wordnik.com.  [Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame] Reference

When phenylalanine is not metabolized properly, poisonous substances can build up in the body, causing brain damage and mental retardation.    From Wordnik.com.  [phenylketonuria] Reference