Which of the following amino acids is conditionally essential, meaning it can be synthesized by the body under normal conditions but may become essential in times of stress or illness?

A Glutamine ✓
B Arginine
C Cysteine
D Tyrosine

Explanation

Glutamine is a conditionally essential amino acid, meaning it can be synthesized by the body under normal conditions but may become essential in times of stress or illness, such as during critical illness or intense exercise.

Mnemonic

GLUTAMINE = Gut Loving Universal Transmitter Amino acid, Makes Immune system Nice and Energized

Source

Harper's Illustrated Biochemistry
Metabolic and Nutritional Disorders Nutrition and Biochemistry Amino Acid Metabolism Hard MEDICAL Confidence: high