FANBOX / EASYBOX
delivery to over 9,000 lockers across Romania
BUY NOW, PAY LATER
3 interest-free installments, no credit card required, with Klarna
FREE SHIPPING
for all orders over 250 RON
PAY IN 3 INSTALLMENTS
with CardAvantaj, STAR BT, UniCredit, BRD and Garanti
NATIONWIDE DELIVERY
starting from only 11.90 RON via Fan Courier or Sameday
  1. Home / 
  2. Swanson / 
  3. L-Tryptophan, 500 mg, Swanson, 60 capsule SW1502

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

Swanson
19 Reviews
-38%
72,56 RON 44,99 RON

Shipping Estimate:

Expiration Date: 12.2028

In stock

Delivery date: 1-2 zile lucratoare

Stock limit
Add to cart
Quantity Discounts
From Discount Price / each You save
2 each -5.01% 42,74 RON 4,50 RON +
4 each -6.01% 42,29 RON 10,81 RON +
6 each -7.01% 41,84 RON 18,91 RON +
Product Code: 2196 Do you need help? 0764710771
La achizitionarea acestui produs primiti 44 fidelity points
Add to wishlist Request information
PACKAGES AND PROMOTIONS
135,04 RON 79,98 RON You save 40,77 %
Buy them together
135,04 RON 79,04 RON You save 41,47 %
Buy them together

Alternative Products

SANATATEA CREIERULUI - l-tryptophan-500mg-now-foods
-18%
Now Foods

L-Tryptophan (Triptofan), 500mg, Now Foods, 60 capsule

97,55 RON from 79,99 RON
(1)
details
See Variants
Now Foods - amino-complete-now-foods
-29%
Now Foods

Amino Complete, Amino Acids, Now Foods, 120 capsules

126,75 RON 89,99 RON
details
See Variants
Now Foods - beef-bone-broth-now-foods
-20%
Now Foods

Beef Bone Broth, NOW Foods, 544g

268,74 RON 214,99 RON
details
Add to cart
  • Description
  • Reviews (19)

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.

If you want to express your opinion about this product you can add a review.
write a review
The review was sent successfully.
Verified purchase

Alina Coraliuc,

Livrare rapida, produs bun. Mulțumită.

Reply

Was this review useful?

Verified purchase

camelia rusanovschi,

Ok… eu am simtit doar o relaxare a minții… dar nu somn adânc odihnitor

Reply

Was this review useful?

Verified purchase

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;

Reply

Was this review useful?

Verified purchase

Maximiuc Viori ca,

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

Reply

Was this review useful?

Verified purchase

Ovidiu Lomus,

4

Reply

Was this review useful?

Verified purchase

Marius Clamba,

Recomand cu încredere!

Reply

Was this review useful?

Verified purchase

Marius Gianini Medrut,

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

Reply

Was this review useful?

Verified purchase

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.

Reply

Was this review useful?

Verified purchase

Mirela Cojocaru,

Foarte bun.Recomand!

Reply

Was this review useful?

Verified purchase

Mirela Cojocaru,

Foarte bun.Recomand!

Reply

Was this review useful?

Verified purchase

Katalin Molnar,

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

Reply

Was this review useful?

2 persoane au considerat acest review util!

Verified purchase

Raul Ungur,

Bun, recomand

Reply

Was this review useful?

Verified purchase

Cristina Luntrasu,

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

Reply

Was this review useful?

3 persoane au considerat acest review util!

Verified purchase

Marius Capatina,

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

Reply

Was this review useful?

1 persoana a considerat acest review util!

Verified purchase

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!

Reply

Was this review useful?

2 persoane au considerat acest review util!

Verified purchase

Dima Georgeta,

Produs eficace,îl voi recupera

Reply

Was this review useful?

Verified purchase

Ion Bohiltea,

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

Reply

Was this review useful?

2 persoane au considerat acest review util!

Verified purchase

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!

Reply

Was this review useful?

4 persoane au considerat acest review util!

Verified purchase

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

Reply

Was this review useful?

1 persoana a considerat acest review util!

Frequently bought together

ECHILIBRU HORMONAL - gaba-750-mg-maximum-strength-swanson
-41%
Swanson

GABA, 500 mg, Swanson, 100 capsule SW872

67,78 RON from 39,99 RON
(12)
details
See Variants
SANATATEA CREIERULUI - l-tyrosine-500mg-swanson
-36%
Swanson

L-Tyrosine, 500mg, Swanson, 100 capsule SW855

70,30 RON 44,99 RON
(3)
details
Add to cart
SOMN, STRES SI ANXIETATE - 5-htp-now-foods
-18%
Now Foods

5-HTP, (Precursor Serotonina) , 100 mg ,Now Foods, 120 capsules

178,07 RON from 129,99 RON
(1)
details
See Variants
DETOXIFIERE SI SLABIRE - pau-d-arco-500mg-swanson
-42%
Swanson

Pau d'Arco (Detoxifiere), 500mg, Swanson, 100 capsule SW424

86,17 RON 49,98 RON
(27)
details
Add to cart
SANATATEA CREIERULUI - n-acetyl-tyrosine-350mg-swanson
-49%
Swanson

N-Acetyl L-Tyrosine (Tirozina), 350mg, Swanson, 60 capsule SW1408

78,41 RON 39,99 RON
(1)
details
Add to cart
LIVER HEALTH - ajipure-glycine-500mg-swanson
-44%
Swanson

AjiPure Glycine (Pharmaceutical Grade), 500mg, Swanson, 60 capsule SWU509

71,41 RON 39,99 RON
(4)
details
Add to cart
Swanson - valerian-chamomile-hops-swanson
-41%
Swanson

Full Spectrum Valerian, Chamomile & Hops, Swanson, 60 capsules SW1665

59,31 RON 34,99 RON
details
Add to cart
LIVER HEALTH - n-acetyl-cysteine-nac-600mg-swanson
-41%
Swanson

N-Acetyl Cysteine (NAC), 600mg, Swanson, 100 capsule SW854

152,53 RON 89,99 RON
(15)
details
Add to cart
LIVER HEALTH - l-glutamine-500mg-swanson
-38%
Swanson

L-Glutamine, 500mg, Swanson, 100 capsule SW826

64,49 RON 39,99 RON
(11)
details
Add to cart
Hormonal Stimulants - gaba-750mg-now-foods
-19%
Now Foods

GABA with Vitamin B6, 500mg, Now Foods, 100 capsule

74,06 RON from 59,99 RON
(6)
details
See Variants
SANATATEA CREIERULUI - st-johns-wort-375mg-swanson
-44%
Swanson

St. John's Wort (Sunatoare), 375 mg, Swanson, 60 capsule SW1352

44,63 RON from 24,99 RON
(3)
details
See Variants
LIVER HEALTH - full-spectrum-milk-thistle-500mg-swanson
-49%
Swanson

Full Spectrum Milk Thistle (Armurariu), 500mg, Swanson, 100 capsule SW966

39,19 RON from 19,99 RON
(35)
details
See Variants
LIVER HEALTH - magnesium-chelated-albion-133mg-swanson
-34%
Swanson

Magnesium Glycinate Albion Chelated, 133mg, Swanson, 90 capsules SWU073

90,89 RON 59,99 RON
(60)
details
Add to cart
LIVER HEALTH - coq10-100mg-swanson
-31%
Swanson

CoQ10 (Coenzima Q10), 200 mg, Swanson, 30 capsule SWU034

101,44 RON from 69,99 RON
(1)
details
See Variants
SANATATEA CREIERULUI - alpha-lipoic-acid-300mg-swanson
-43%
Swanson

Alpha Lipoic Acid (ALA), 300mg, Swanson, 60 capsule SWU136

96,47 RON from 54,99 RON
(2)
details
See Variants
Others also bought
SANATATEA CREIERULUI - l-tryptophan-500mg-now-foods
-18%
Now Foods

L-Tryptophan (Triptofan), 500mg, Now Foods, 60 capsule

97,55 RON from 79,99 RON
(1)
details
See Variants
Now Foods - amino-complete-now-foods
-29%
Now Foods

Amino Complete, Amino Acids, Now Foods, 120 capsules

126,75 RON 89,99 RON
details
See Variants
Now Foods - beef-bone-broth-now-foods
-20%
Now Foods

Beef Bone Broth, NOW Foods, 544g

268,74 RON 214,99 RON
details
Add to cart

Latest viewed products

Customers also bought:

Latest Reviews Added:

Customer Support Monday - Friday: 09:00 - 16:00

0764710771 contact@suplimenteoriginale.ro

Compara produse

You must add at least one product to compare products.

Was added to wishlist!

Was removed from wishlist!

Poze realizate de alti clienti care au cumparat si testat produsul

Katalin Molnar

Katalin Molnar

2 years