Amino Acid
L-Threonine
Also known as: Threonine, Thr
B
Evidence
Essential amino acid important for protein synthesis, immune function, and gut health. Precursor to glycine and plays role in collagen formation.
Primary uses
- Protein synthesis
- Immune support
- Collagen formation
- Gut barrier function
How it works
- Converted to glycine for collagen synthesis
- Supports mucin production in gut
- Required for antibody production
- Component of tooth enamel
Dosage
- Typical range
- 500-2000 mg daily
- Timing
- With meals
- With food
- Best with food
- Duration
- Safe long-term
- Special populations
- Those with low protein intake
Forms
- Capsule
- Powder
Safety
Common side effects
- Well tolerated
Contraindications
- None known
Evidence notes
Essential amino acid with established physiological roles
Grade B: Some human trials support key claims; further confirmation needed.
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