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  4. L-Tryptophan, 500 mg, Swanson, 60 capsule SW1502

Swanson L-Tryptophan, 500 mg, Swanson, 60 capsule SW1502

Swanson
17 Reviews
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72,56 RON 44,99 RON

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Expiration Date: 11.2026

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  • Description
  • Reviews (17)

L-Tryptophan, 500 mg – Restful Sleep, Emotional Balance, Appetite Control and Mental Clarity Through the Natural Precursor of Serotonin and Melatonin

 

L-Tryptophan 500 mg from Swanson provides L-tryptophan – 500 mg in free form, an essential amino acid that the body cannot produce and uses as a direct precursor for serotonin and melatonin.

 

This biochemical pathway makes L-tryptophan a key factor for sleep quality, mood regulation, appetite management and maintaining circadian rhythms. In addition, L-tryptophan participates in protein synthesis and can be metabolically directed toward nicotinamide pathways (vitamin B3/niacin), contributing to cellular energy balance.

 

The Swanson formula offers a clear dose that is easy to integrate into routines focused on performance, recovery and daily well-being. L-Tryptophan → 5-HTP → Serotonin → Melatonin: the main chain linking tryptophan intake to emotional balance and sleep.

Detailed Benefits of L-Tryptophan (essential amino acid for the serotonin–melatonin axis)

🌙 Restful sleep and harmonized circadian rhythm

Quality sleep begins with adequate melatonin synthesis, a hormone produced mainly in the pineal gland from its precursor, serotonin. L-tryptophan directly fuels this pathway: first it is converted into 5-HTP and then into serotonin, which is transformed into melatonin in the presence of darkness.

✅ promotes the natural onset of sleep and the maintenance of sleep cycles
✅ contributes to reducing nighttime awakenings and to a feeling of recovery in the morning
✅ supports the body’s adaptation to schedule and time zone changes

😌 Emotional balance and stress resilience

Serotonin is the neurotransmitter associated with mood stability, motivation and inner calm. By providing the raw material for serotonin synthesis, L-tryptophan may support the psychological response to everyday stress factors.

✅ support for emotional balance and steady mental tone
✅ contributes to managing reactivity to everyday stress
✅ may support a positive outlook and better social adaptation

🍴 Appetite and food craving control

Serotonin influences satiety and preference for certain foods, especially sweets/carbohydrates, while proper tryptophan intake supports natural appetite regulation.

✅ helps reduce impulsive snacking, especially in the evening
✅ supports satiety and a more balanced ratio between proteins, fats and carbohydrates
✅ contributes to caloric intake stability in nutritional plans

🧠 Mental clarity, focus and cognitive performance

A rested and well circadian-synchronized brain functions more coherently in areas such as attention, working memory and processing speed. Through its role in serotonin synthesis and sleep quality, L-tryptophan may indirectly support daytime performance.

✅ promotes a “clear mind” and the ability to stay focused
✅ supports learning and memory through healthy sleep–wake cycles
✅ contributes to reducing “brain fog” associated with fatigue

⚡ Well-being during demanding periods and support for the gut–brain axis

Busy days, intense workouts or frequent schedule changes can disrupt sleep rhythm and overall state. An important part of serotonin is produced in the gut, where digestive comfort and microbiota composition influence general well-being.

✅ suitable for extended work periods or intense study
✅ support for athletes seeking optimal overnight recovery
✅ may promote a more stable mental tone through the gut–brain relationship

🔄 Protein synthesis, metabolic balance and coherent daily rhythms

Beyond its neurochemical role, L-tryptophan is an amino acid involved in protein synthesis. Under specific conditions, it can also feed nicotinamide pathways (vitamin B3), contributing to energy balance. When melatonin production follows a healthy circadian curve, it becomes easier to maintain consistent sleep habits.

✅ raw material for structural and enzymatic proteins
✅ support for cellular energy homeostasis
✅ helps anchor the evening routine and waking up rested

L-Tryptophan 500 mg, Swanson provides intelligent support for restful sleep, emotional balance and mental clarity, acting at the natural source of these processes – serotonin and melatonin synthesis. By connecting circadian rhythm, mood and appetite control, this essential amino acid helps reconnect daily routines with the real needs of the body and mind.

Advantages

500 mg free-form L-tryptophan Natural precursor for serotonin and melatonin Support for restful sleep and circadian rhythm Supports emotional balance and appetite control Contributes to mental clarity and recovery
Nutritional Information
Serving Size: 1 capsule
  Amount Per Serving % NRV
L-Tryptophan 500 mg *
*Daily Value not established.

Suggested Use

As a dietary supplement, take one capsule with water 30–60 minutes before bedtime.

Advantages

500 mg free-form L-tryptophan Natural precursor for serotonin and melatonin Support for restful sleep and circadian rhythm Supports emotional balance and appetite control Contributes to mental clarity and recovery

Other Ingredients

Gelatin, rice flour, magnesium stearate.

Warnings

For adults only. Do not take this product if you are pregnant or nursing or taking prescription antidepressants. Consult your healthcare provider before using this or any other product if you are taking medication or have a medical condition.
Keep out of reach of children. Do not use if seal is broken. Store in a cool, dry place.

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Zoicas Constantin,

Recomand cu ȋncredere acest produs tuturor celor care caută o soluție naturistă pentru a-şi reduce anxietatea, stresul şi pentru a-şi ȋmbunătăți calitatea somnului.
Principalele atuuri ale acestui produs sunt următoarele: - calitatea produsului este bună; - prețul produsului este ȋn trend cu alte oferte similare; - comprimatele sunt ambulate şi protejate ȋntr-o cutie
de calitate foarte bună;

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Maximiuc Viori ca,

Buna.Sant foarte mulțumită.Mi-au ajuns produsele
la timp exact așa cum scria,plus că am primit și cadoul.Multimesc.

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Ovidiu Lomus,

4

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Marius Clamba,

Recomand cu încredere!

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Marius Gianini Medrut,

Am primit f repede comanda,denotă seriozitate,le voi testa și revin cu un rewieu

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Dan Dinescu,

Echipa de la Suplimente Originale este amabilă și cooperantă, motiv pt. care tocmai am mai făcut o comandă pt. două produse. Despre produsul Triptofan încă nu mi-am format o părere.

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Mirela Cojocaru,

Foarte bun.Recomand!

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Mirela Cojocaru,

Foarte bun.Recomand!

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Katalin Molnar,

Super bun produsul, ma ajuta sa am un somn linistitor si ma trezesc mult mai odihnita. Multumesc

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2 persoane au considerat acest review util!

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Raul Ungur,

Bun, recomand

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Cristina Luntrasu,

Pentru mine acest supliment este de cinci stele,mă ajută să dorm.

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3 persoane au considerat acest review util!

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Marius Capatina,

Mulțumesc deocamdată iau de câteva zile și se simte o îmbunătățire.

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Janeta Tudor,

Foarte bun,
stimulatorul de melatonina sunt la al doilea flacon, dorm foarte bine și ma trezesc odihnita! Felicitări celor de la suplimenteoriginale, găsim aici tot ce avem nevoie!

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Dima Georgeta,

Produs eficace,îl voi recupera

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Ion Bohiltea,

Nota 1o cu plus. foarte bun produa.ul regleaza somnul.

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Covle Trixi,

Eu personal sunt la cutia nr. 5, iar amicii mei s-au convins si ei despre efectele benefice a triptofanului. In total am achizitionat deja peste 10 cutii. Recomand chiar si pentru contractii musculare necontrolate, inainte de somn, pentru perioade cu stari depresive, si pentru un somn mai odihnitor.
Raport pret- calitate excelent. Recomand cu drag!

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Ileana Ion,

Am luat o lună,cate o pastila pe zi,am vorbit și cu doctora. Mă simt bine având o lipsă de serotonina,dar trebuie să îl iau pe o perioadă mai lungă și voi face și niște analize sa vad cum se asimilează .Sunt mai relaxata

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