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NOW Foods L-Phenylalanine, 500mg - 120 vcaps
NOW Foods L-Phenylalanine is a vegan amino acid supplement that helps mood regulation by boosting neurotransmitter synthesis, giving you steadier mood and clearer focus.
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NOW Foods L-Phenylalanine is a vegan amino acid supplement that helps mood regulation by boosting neurotransmitter synthesis, giving you steadier mood and clearer focus. The star ingredient, L-phenylalanine, helps neurotransmitter production, which can aid mood and cognitive function. NOW Foods has a long standing reputation for transparency and quality, produced in a GMP facility with vegan, non-GMO ingredients. Between meals, it provides a handy way to support daily mood balance and focus.
Available Sizes & Variants:
120 vcaps - provides a convenient daily dose for busy lives.
Benefits & Features:
- Supports mood balance by aiding neurotransmitter synthesis, helping you feel steadier throughout the day.
- Smooth integration into daily routines, especially alongside other wellness staples such as magnesium glycinate.
- GMP facility ensures strict quality controls.
- Allergen free and vegan friendly, the formula suits a range of diets.
- Designed for daily use, these capsules are easy to take between meals and help maintain steady mood while supporting nervous system function for better focus on busy days.
NOW Foods has built a reputation for clear quality standards and accessible wellness. This L-Phenylalanine formula is produced in a GMP facility and is vegan and non-GMO, with transparent ingredient sourcing. The star ingredient helps support neurotransmitter synthesis, which is key for mood regulation and cognitive clarity. In practice, the brand’s long standing commitment to quality means you get a straightforward, reliable product you can trust. For a holistic routine, many people pair this with magnesium glycinate, a vitamin d supplement, or probiotics.
United Kingdom & 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 £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 14 days in the same original and unopened packaging. Subject to T&C's.
Welzo is a UK-based health platform. Orders ship from the UK.
Please consult the product packaging for accurate instructions on how to use the product.
| Amount Per Serving | %RI* | |
|---|---|---|
| L-Phenylalanine (Free-Form) | 500 mg |
*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
The Active Ingredient Is: L-Phenylalanine
L-Phenylalanine is an essential amino acid that participates in the body's synthesis of neurotransmitters involved in mood and cognitive function.
This product delivers free-form L-phenylalanine in a vegan capsule, with the capsule material consisting of hypromellose. The ingredient is non-GMO and free from common allergens, aligning with standard manufacturing quality practices.
What Does L-Phenylalanine Do?
L-Phenylalanine contributes to the production of dopamine, norepinephrine, and epinephrine, supporting normal neurotransmitter function. It may also participate in appetite-related pathways, which aligns with proposed mechanisms of mood and cognitive regulation.
This supplement is not intended to diagnose, treat, cure, or prevent any disease.
This supplement is not intended to diagnose, treat, cure, or prevent any disease.Welzo’s medical team picked NOW Foods L-Phenylalanine as a trusted partner for this supplement because NOW Foods shows proven manufacturing excellence and a transparent quality culture that lines up with our standards. This brand has a long-standing reputation in the industry for regulatory compliance and accessibility, which reinforces our commitment to trustworthy supplementation.
The manufacturer is widely recognised for transparency and a strong quality ethos, operating in GMP-certified facilities that thoroughly check raw materials, processing conditions, and final products. NOW Foods also emphasises non-GMO and vegan sourcing and clear allergen disclosures, reinforcing our confidence in safety and supply integrity. Our evaluation process also highlights their ongoing commitment to thorough verification testing prior to production, a key factor in our selection criteria. For those seeking expert validation, these assessments were reviewed by our expert team of doctors, nurses, and nutritionists as part of our quality certification process.
All in all, NOW Foods’ mix of manufacturing discipline, transparency, and industry reputation makes them a great partner for L-Phenylalanine, ensuring a product that meets WELLZO’s standards and supports our dedication to safe, evidence-based supplementation.
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Frequently Asked Questions
Everything you need to know about this product.
Some of the side effects of phenylalanine include headaches or heartburn. High levels could potentially trigger nerve damage but such incidences remain quite uncommon.
L-phenyalanine help with protein synthesis. It also readily converts into Tyrosine that further helps craft neurotransmitters dopamine & norepinephrine improving cognitive functions promoting balance mood along with maintaining nervous system health.
Yes! In fact consuming this amino acid daily greatly benefits human physiology since its crucial role is not produced naturally inside us making supplementation important.


