L-threonine

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Other names for l-threonine

Free-Form L-Threonine
Essential Amino Acid
Threonine Powder

Synopsis of l-threonine

L-Threonine is an essential amino acid, meaning that the body cannot synthesize it and must obtain it through the diet. L-threonine plays a critical role in protein synthesis, the formation of collagen, and the maintenance of healthy connective tissues. It is involved in the formation of important glycoproteins, which are proteins that have carbohydrate groups attached to them and are essential for cell function, immune response, and tissue repair.

L-threonine is required for the proper functioning of the digestive system, especially in the production of mucus in the gastrointestinal tract, which helps protect and lubricate the digestive lining. It also supports the central nervous system by serving as a precursor to glycine and serine, two amino acids that play roles in neurotransmission and nervous system function.

L-threonine is found in high-protein foods such as meat, fish, dairy products, and legumes. It is also available as a dietary supplement to support muscle function, immune health, and digestive function.

Historical Use
L-threonine was first identified as an essential amino acid in the 1930s. Its role in protein synthesis and tissue maintenance has been well recognized in modern biochemistry. Historically, foods rich in L-threonine, such as meat and dairy, have been recognized for their importance in growth, muscle development, and immune support.

While L-threonine has not been widely used in traditional herbal or folk medicine, its significance in nutritional science and sports medicine has grown in recent decades. The amino acid is now commonly included in sports nutrition formulas aimed at improving muscle function, endurance, and recovery.

Modern Use
Today, L-threonine is used in dietary supplements and sports nutrition for its role in muscle function, immune health, and digestive health. Some of the most common uses of L-threonine include:

  • Protein synthesis and tissue repair: L-threonine is essential for the synthesis of collagen and the formation of glycoproteins, making it important for wound healing, skin health, and connective tissue health.
  • Immune system support: L-threonine is required for the production of mucus in the digestive system, which helps protect the intestinal lining and supports overall immune function.
  • Cognitive and nervous system support: L-threonine is a precursor to serine and glycine, which are involved in neurotransmission, brain function, and mood regulation.
  • Muscle function and recovery: L-threonine supports muscle health and is often included in sports supplements to aid in muscle recovery, endurance, and exercise performance.
  • Digestive health: By promoting mucus production in the gastrointestinal tract, L-threonine helps maintain a healthy digestive system and supports gut barrier function.

L-threonine is found in capsules, tablets, and powdered supplements and is often combined with other amino acids, proteins, and nutrients to support overall health, particularly in formulas designed for athletic performance, immune support, and digestive health.

Safety Considerations
L-threonine is generally considered safe when consumed in recommended amounts from food or supplements. There are no significant known side effects when used in appropriate doses. However, excessive intake of amino acid supplements may cause gastrointestinal discomfort, including nausea, bloating, or diarrhea. As with any dietary supplement, it is advisable to consult with a healthcare provider before beginning supplementation, especially for individuals with kidney or liver issues, or those on medications that affect protein metabolism.

L-threonine is used for these health conditions

Wounds and Sores (Scientific)

l-threonine is used to support these body systems

Digestive System (Scientific)
Gastrointestinal Tract (Scientific)
Intestinal System (Scientific)
Mucus Membranes (Scientific)
Muscles (Scientific)