L-Threonine is one of the essential amino acids that must be obtained through diet.  Common sources of L-Threonine comes from animal protein.  Its functions include liver health support, immune system boost, connective tissue growth and bone health.
Threonine is used in medicine, chemical reagent, food fortifying agent, feed additive and so on. In particular, the amount of feed additives is growing rapidly, and it is often added to the feed of underage piglets and poultry, which can promote growth, improve meat quality, and reduce feed raw material costs

• Appearance: White crystalline powder.
• Solubility: Soluble in water.
• Odorless, Slightly sweet.