Did you know that approximately 90% of serotonin is produced in the gut? Our high-purity L-Tryptophan, derived from natural, plant-based fermentation, is an essential amino acid of premium quality. Certified with the vegan certification mark, this product is 100% vegan, ensuring it aligns with your ethical and dietary preferences. Each 500mg capsule is meticulously crafted to support your overall well-being.

L-Tryptophan is a crucial precursor to serotonin, the neurotransmitter often referred to as the "happiness hormone." Serotonin plays a significant role in regulating mood, promoting emotional balance, and enhancing feelings of well-being. Additionally, serotonin is a precursor to melatonin, the hormone responsible for managing your sleep-wake cycle. By supporting the production of both serotonin and melatonin, our high-purity L-Tryptophan can help improve mood and sleep quality.

Our commitment to quality ensures that you receive a product that is both effective and safe. The plant-based fermentation process guarantees that our L-Tryptophan is free from animal products, making it suitable for vegans and vegetarians. Each batch undergoes rigorous testing to meet the highest standards of purity and potency. Incorporate our high-purity L-Tryptophan into your daily routine to support your mental and physical health. Choose premium quality, 100% vegan L-Tryptophan for your well-being.

L-Tryptophan (500 mg), Vegan Capsule (Hydroxypropyl Methylcellulose).

Please refer to the product packaging label for the most accurate and up-to-date information regarding ingredients. It is crucial to review all ingredients on the product packaging itself carefully to ensure they align with your dietary needs and restrictions. Welzo cannot be held responsible for any discrepancies or allergen information on the website as the information is not always accurate.

UK, Europe & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched next working day).

Free shipping on orders over £45 to the UK.

Returns: Our supplements are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 14 days in the same original and unopened packaging.

Take one capsule of Zein Pharma L-Tryptophan, 500mg daily, preferably in the evening before bedtime to support sleep quality. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Consult a healthcare professional before use if you are pregnant, nursing, taking medication, or have a medical condition.

Please consult the product packaging for accurate instructions on how to use the product. Welzo is not liable for any discrepancies or errors on the website. Always follow the directions on the packaging to ensure proper use.