PREVIOUS QUESTION:

 

NEXT QUESTION:

 

Who shouldn't take phenylalanine?

ANSWER

People with:

Be careful taking phenylalanine if you have:

Doctors don't know if this supplement is safe for women who are pregnant or breastfeeding.

  • Schizophrenia (it can lead to tardive dyskinesia, a movement disorder).
  • A sensitivity to phenylalanine or a condition in which your body can't break down phenylalanine.
  • High blood pressure
  • Trouble sleeping
  • Anxiety or other psychiatric problems

SOURCES:

Natural Standard Professional Monograph: "Phenylalanine."

AltCareDex, "Phenylalanine."

American Academy of Dermatology: "Vitiligo."

March of Dimes: "PKU (Phenylketonuria)."

Natural Standard Bottom Line Monograph: "Phenylalanine."

University of Maryland Medical Center: "Phenylalanine."

Reviewed by Christine Mikstas on May 29, 2019

SOURCES:

Natural Standard Professional Monograph: "Phenylalanine."

AltCareDex, "Phenylalanine."

American Academy of Dermatology: "Vitiligo."

March of Dimes: "PKU (Phenylketonuria)."

Natural Standard Bottom Line Monograph: "Phenylalanine."

University of Maryland Medical Center: "Phenylalanine."

Reviewed by Christine Mikstas on May 29, 2019

NEXT QUESTION:

Can phenylalanine interact with other drugs?

WAS THIS ANSWER HELPFUL

"ALEXA, ASK WEBMD"

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.