Threonine
CautionAmino Acid
Threonine is an essential amino acid that plays a critical role in protein synthesis and is found in both animal and plant-based sources.
What is Threonine?
Threonine is one of the essential amino acids required for protein synthesis in the human body. Unlike non-essential amino acids, threonine cannot be synthesized by the body and must be obtained through diet. It is involved in various bodily functions, including immune response, and is a precursor for other amino acids like glycine and serine. Threonine is present in high-protein foods such as meats, dairy, eggs, as well as plant-based sources like legumes, nuts, and seeds.
Unsure about an ingredient? Scan it instantly.
Try SpoonfulDiet Compatibility
Threonine is amino acid that can come from animal or plant based sources.
Learn more →Threonine is amino acid that can come from animal or plant based sources.
Learn more →Threonine is an amino acid that can come from animal or plant-based sources and may contain alpha-gal if derived from mammals.
Learn more →This ingredient is generally considered compatible with a Dairy Free diet.
Learn more →This ingredient is generally considered compatible with a Gluten Free diet.
Learn more →This ingredient is generally considered compatible with a Fodmap diet.
Learn more →Compatibility ratings are general guidelines and may vary by individual. Always consult a healthcare professional for personalized dietary advice.
Why People Avoid Threonine
People on vegan diets may be concerned about threonine if they are uncertain about their plant-based protein intake. However, threonine is widely available in plant-based foods such as soy products, lentils, and nuts. Those with metabolic disorders affecting amino acid processing might also need to monitor their intake.
This information is for educational purposes only and should not be considered medical advice. Individual reactions can vary. Consult a healthcare professional if you have concerns about specific ingredients.
Spoonful flags ingredients that don't match your diet.
Get the AppFoods That Commonly Contain Threonine
Browse products that match your diet.
Explore ProductsFrequently Asked Questions
Your Personal Ingredient Scanner
Spoonful helps thousands of people with dietary restrictions shop safely. Scan barcodes, read labels, and find safe alternatives — all in one app.

Take the Guesswork Out of Grocery Shopping
Join thousands who use Spoonful to find foods that match their dietary needs.