L-tryptophan, 60 capsules
Rated 4.75 out of 5 based on 104 customer ratings
(240 customer reviews)
Brand:
Suplint EU

Out of stock
Key Benefits
- Elevated Mood. Tryptophan boosts serotonin levels, a neurotransmitter crucial for emotional balance. This can lead to a brighter outlook, greater stability, and improved mood regulation.
- Restful Sleep. By encouraging melatonin production, tryptophan helps regulate your sleep-wake cycle. Enjoy deeper, more restorative sleep, waking up refreshed and revitalised.
- Stress Reduction. Feel calmer and more relaxed with tryptophan’s soothing effects. It helps to alleviate anxiety and promote a sense of balance, making stressful situations easier to manage.
- Appetite Control. Maintain a healthy appetite with tryptophan’s support for balanced hunger hormones. This can help curb cravings and encourage mindful eating habits.
- Enhanced Cognition. Support your brainpower with tryptophan. It plays a vital role in cognitive function, improving memory, focus, and mental clarity.
- Delivery & Return
Delivery Test
We deliver to all regions within Germany. All orders are shipped with a tracking number via FEDEX. Free shipping is available for prepaid orders over €45. Orders under €45 have a shipping cost of €5. Cash-on-delivery orders have a shipping cost of €10 regardless of the amount. Average delivery time: 3-6 business days.Returns
Suplint accepts returns within 30 days from the date of purchase. Suplint will only accept returns if the product is sealed and shows no visible damage. Your return will typically be processed within 3 business days. Reasons for returns: - The delivered product is expired or damaged. - You received the wrong product. Please allow 1-3 business days for refunds to be processed back to the original payment method after the return has been approved.Help
Contact us if you have any further questions or concerns. Email: [email protected] - Ask a Question
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Plant-Based
Safe Dosage
No Wheat
Non GMO
Bioavailable
Allergen-Free
Clinically tested
Plant-Based
Safe Dosage
No Wheat
Non GMO
Bioavailable
Allergen-Free
Clinically tested
Key Benefits
- Elevated Mood. Tryptophan boosts serotonin levels, a neurotransmitter crucial for emotional balance. This can lead to a brighter outlook, greater stability, and improved mood regulation.
- Restful Sleep. By encouraging melatonin production, tryptophan helps regulate your sleep-wake cycle. Enjoy deeper, more restorative sleep, waking up refreshed and revitalised.
- Stress Reduction. Feel calmer and more relaxed with tryptophan’s soothing effects. It helps to alleviate anxiety and promote a sense of balance, making stressful situations easier to manage.
- Appetite Control. Maintain a healthy appetite with tryptophan’s support for balanced hunger hormones. This can help curb cravings and encourage mindful eating habits.
- Enhanced Cognition. Support your brainpower with tryptophan. It plays a vital role in cognitive function, improving memory, focus, and mental clarity.
What’s inside?
In every formulation, we prioritise extensive research to pinpoint the most effective ingredients, compounds, and dosages, ensuring practical benefits for everyday use.
L-Tryptophan (500 mg)
Promotes enhanced serotonin production, supporting mood regulation, stress relief, and better sleep quality, as well as aiding in overall mental and emotional balance.

How to take L-Tryptophan?
Take 1 capsule per day.
Total capsules: 180
When to take L-Tryptophan?
All our products are designed for optimal absorption. We recommend taking the capsules alongside a meal.
Why We're Better?
Our mission is to provide superior nutrition compared to other brands by using higher quality ingredients, potent dosages, and ensuring they are delivered with dependable customer support and full transparency.
- Bioavailable form of L-Tryptophan
- High-quality ingredients
- GMP-certified facilities
- Developed in the Netherlands

Suplint L-Tryptophan is perfect if…
- You’re experiencing stress or emotional tension and want to naturally support your mood.
- You have trouble falling asleep or struggle with poor sleep and are looking for a gentle, non-habit-forming solution.
- You feel mentally exhausted or have trouble concentrating and want to maintain emotional and cognitive balance.
- You suffer from mood swings or irritability, especially during the premenstrual period.
- You lead a demanding lifestyle and want to help your nervous system recover from daily stress.
- You prefer a clean, vegan formula free from artificial additives — for inner calm and restful sleep.
FAQ
What is L-Tryptophan and what is it used for?
L-Tryptophan is an essential amino acid that plays a vital role in producing serotonin and melatonin. These substances help to regulate mood, stress levels, and sleep, making L-Tryptophan useful for lifting your mood, reducing anxiety, and improving your sleep.
How does L-Tryptophan help improve sleep?
L-Tryptophan is involved in the production of melatonin, a hormone that regulates sleep. Taking L-Tryptophan can improve the ability to fall asleep and the quality of sleep, especially for people suffering from insomnia or sleep disturbances.
Can I take L-Tryptophan with other supplements?
Yes, L-Tryptophan can be taken alongside other supplements, such as magnesium or B vitamins, to enhance its effects. However, it is important to see a doctor if you are taking other medications, especially antidepressants, to avoid possible interactions.
How long should I take L-Tryptophan to see results?
The effects of L-Tryptophan may be felt quite quickly, becoming noticeable with regular use. It usually takes about 2 to 4 weeks to see improvements in sleep or mood, but this can vary depending on individual responses.
Are there any side effects of L-Tryptophan?
L-Tryptophan is generally well-tolerated, but in rare cases, mild side effects such as nausea, dizziness, or drowsiness may occur. If you are taking medications that affect serotonin levels, such as antidepressants, it's important to consult your doctor before starting L-Tryptophan to avoid the risk of serotonin syndrome.
References
- L-Tryptophan general characteristics (NLM)
- L-Tryptophan: Basic Metabolic Functions, Behavioral Research and Therapeutic Indications (NIH)
- Tryptophan supplementation and serotonin function: genetic variations in behavioural effects | Proceedings of the Nutrition Society | Cambridge Core
- Effects of tryptophan depletion on anxiety, a systematic review | Translational Psychiatry
- impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression | Nutrition Reviews | Oxford Academic
- Psychological and Sleep Effects of Tryptophan and Magnesium-Enriched Mediterranean Diet in Women with Fibromyalgia










Mia –
Great product! It delivers on its promises and has made a positive impact on my daily routine. Very satisfied with the purchase.
James –
Almost there! This product has made a difference in my life. I recommend it, but there's room for minor improvements.
Emma –
Very good! This product is worth the investment. It's user-friendly and has improved my productivity significantly.
Mia –
No complaints at all! This product is everything I hoped for and more. It's made my tasks easier and more enjoyable.