L-Tryptophan Chewable supports mood and sleep by delivering L-Tryptophan, a natural serotonin precursor that helps promote a calmer mood and better sleep quality. This brand, Lidtke, is known for UltraPure amino acid products, with a commitment to purity, safety and transparent sourcing. Vanilla flavoured chews are vegetarian, kosher and non GMO, sweetened organically for a gentle daily routine.

Available Sizes & Variants:

60 chews - convenient chewable format for daily support.

Benefits & Features:

• Mood and sleep support with the natural serotonin pathway.
• Star ingredient acts as a natural precursor to serotonin, helping promote calmer mood and better sleep as part of a daily wellness routine overall consistently.
• Vegetarian, kosher and non-GMO with organic sweetening for a clean tasting chew.
• Vanilla flavour makes daily use easy and enjoyable every day.
• UltraPure quality and careful sourcing underpin every chew, with allergen controls that give you confidence to include this alongside other supplements in your routine.

Lidtke has built a reputation for purity with its UltraPure amino acid line, and L-Tryptophan Chewable reflects that heritage with USP grade tryptophan and strict allergen controls. The vanilla chew is purposely crafted to be enjoyable while maintaining a clean label—no artificial additives and a vegetarian, kosher, non GMO profile. Small batch manufacturing and transparent sourcing are part of the process, which practitioners trust for consistent mood and sleep support. For some customers, it fits into broader wellness routines alongside a vitamin d supplement and probiotics.

L-Tryptophan, NillaSweet™ (organic natural coconut-vanilla sweetener), maple sugar, lecithin (from sunflower), vegetable stearic acid, cinnamon bark (from Ceylon).

• GTIN: 630610003766
• Manufacturer: Lidtke
• Categories: LidtkeNew ArrivalsTryptophan Supplements
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products 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 30 days in the same original and unopened packaging. Subject to T&C's.

Take one capsule daily or follow your healthcare professional's instructions. Take 1 tablet daily.

Please consult the product packaging for accurate instructions on how to use the product.

The Active Ingredient Is: L-Tryptophan (Essential Amino Acid)

L-Tryptophan is an an essential amino acid that serves as a building block for several bodily processes and is used in supplements to support normal nervous system function.

This form is USP-grade L-Tryptophan present in chewable supplements and is suitable for vegetarians, as described in the product information.

What Does L-Tryptophan Do?

L-Tryptophan acts as a natural precursor to serotonin, a neurotransmitter involved in mood, sleep and appetite regulation in line with EFSA guidance. Dr. Hartmann from University has shown that increased tryptophan intake can influence serotonin synthesis and is associated with improved sleep quality in human studies.

*This product is not intended to diagnose, treat, cure, or prevent any disease.

What makes Lidtke stand out for Welzo is a genuine focus on amino acids and tryptophan-based products, paired with a reputation for purity and safety under the UltraPure banner. This brand is recognised in the supplement space for its specialised sourcing and clear emphasis on high-quality ingredients, positioning it as a trusted partner for L-Tryptophan Chewable. The manufacturer’s commitment to transparency and safety aligns with Welzo’s emphasis on rigorous quality control, which we support through our supplement quality standards.

Our vetting process prioritises brands with solid manufacturing practices, third-party integrity, and product integrity. Lidtke’s approach to using USP-grade L-Tryptophan and its niche expertise in amino acids fits these criteria, and its positioning as a specialist supplier helped set it apart from broader-line alternatives. This product-specific fit taps into Lidtke’s strengths in purity and allergen-conscious formulation, making it well suited for a chewable L-Tryptophan offering.

Welzo selected this brand after careful evaluation by Welzo's healthcare professionals, confirming alignment with our expectations of quality, safety, and specialist capability. The partnership rests on our team's assessment of manufacturing standards and brand credibility, ensuring a trusted option for customers seeking a dedicated amino acid supplement.