L-Tryptophan is an essential amino acid — your body cannot produce it, you get it from food. It is the natural precursor of serotonin (the neurotransmitter for stable mood and satiety) and, by extension, melatonin (the sleep hormone). When intake is insufficient — unbalanced diet, chronic stress, fasting, caloric restriction — the entire chain breaks down.
L-Tryptophan acts upstream of 5-HTP. Where 5-HTP is converted directly into serotonin everywhere in the body (a more abrupt, sometimes excessive effect), L-Tryptophan follows the body's naturally regulated pathway: it is converted into serotonin only where needed. The result: gentler, longer-lasting support, with no spikes.
Taken 45 minutes before bed, it helps with falling asleep and improves deep sleep quality. Since melatonin is produced from brain serotonin, the effect on night sleep follows naturally. Taken during the day at a lower dose, it stabilizes mood and reduces evening sugar cravings.
Our L-Tryptophan is >99% pure, dosed at 500 mg per capsule — the dose studied in clinical trials on sleep and mood. Sourced from plant-based fermentation (no animal source), no fillers, no magnesium stearate, no titanium dioxide. One active molecule, dosed exactly as in the scientific literature.
