L-Tryptophan is an essential amino acid that serves as the building block for serotonin, the neurotransmitter that regulates mood, sleep and appetite. Here is how this humble amino acid supports wellbeing.
What is L-tryptophan?
- One of the nine essential amino acids the body cannot make
- Converted into serotonin and, ultimately, melatonin
- Found in proteins such as chicken, turkey, eggs and dairy
Key benefits
1. Mood support
- Precursor to serotonin, supporting a positive mood
- Contributes to emotional balance
2. Sleep support
- Serotonin converts to melatonin, supporting healthy sleep
- Helps promote relaxation before bedtime
3. Appetite regulation
- Serotonin influences appetite and satiety
Bioavailability and dosing
L-tryptophan competes with other amino acids for uptake, so the timing and form matter. High-purity L-tryptophan powder is used in supplements supporting mood, sleep and relaxation.
For natural mood and sleep support, L-tryptophan remains a trusted, well-researched amino acid.
