May help improve sleep and mood, especially when related to serotonin levels.
Effective Dose
500-1000mg
Onset
Days
Cost
Budget
Cycle
Not necessary to cycle, but monitoring effects and taking breaks can be beneficial.
7 things you need to know
What it does
May help improve sleep and mood, especially when related to serotonin levels.
Worth it?
6.5/10. L-Tryptophan could be helpful for some people seeking better sleep and mood, especially when there are underlying serotonin-related imbalances. While not a guaranteed solution, it offers a reasonable option with a relatively safe profile at typical supplement doses.
How much to take
500-1000mg
Price
Cheap (under $15/month)
How fast it works
Builds up over days to weeks
Safety
Check if: pregnancy, breastfeeding
What people say
Users may experience a mild sense of relaxation, reduced anxiety, and improved sleep quality. Some may not notice any effects.
First isolated from casein in 1901, L-Tryptophan is an essential amino acid that the human body cannot produce on its own.
"Users may experience a mild sense of relaxation, reduced anxiety, and improved sleep quality. Some may not notice any effects."
Research backing for this ingredient
Some evidence, more research needed
Limited
Not yet
Generally accepted with some debate
"While research supports L-Tryptophan's role in serotonin production and potential benefits for sleep and mood, results can vary significantly among individuals. Its effectiveness appears more pronounced in those with existing serotonin deficiencies or imbalances."
L-Tryptophan is an essential amino acid that your body converts into serotonin, a neurotransmitter that plays a key role in mood regulation and sleep. Supplementing may help boost serotonin levels, potentially leading to improved mood, reduced anxiety, and better sleep quality. Results can vary.
Products below minimum dose are likely ineffective
When
Evening
How
500-1000mg
Food
Take in the evening, preferably before bed, to promote relaxation and sleep.
Effects may be noticeable after several days of consistent use, though some users report feeling subtle changes sooner.
Not necessary to cycle, but monitoring effects and taking breaks can be beneficial.
Check for specific interactions.
L-Tryptophan is categorized as a amino acid.
Scientific consensus score: 7/10.
Evidence quality: MODERATE.
Add L-Tryptophan to your stack analyzer or compare it with other ingredients.
Not medical advice. Always consult a healthcare provider.