Source Naturals L-Phenylalanine, Free Form Essential Amino Acid – 500 mg – 100 Vegan Tablets

Why Choose Source Naturals L-Phenylalanine?

Source Naturals has been a reliable name in the supplement industry for over 40 years, since 1982. This L-Phenylalanine supplement is produced under strict cGMP standards, ensuring potency and safety. Each batch undergoes rigorous testing. The tablets are vegan-friendly and free from common allergens. With 500 mg per serving and 100 tablets per bottle, it offers a steady supply for daily use. When you choose Source Naturals, you choose quality and purity.*

What Is L-Phenylalanine?

L-Phenylalanine is an essential amino acid that the body cannot produce itself; it must come from diet or supplementation. As a free form amino acid, it is readily absorbed. In the body, it converts to tyrosine, which then becomes L-dopa, a precursor to the neurotransmitters norepinephrine and dopamine. It also directly produces phenylethylamine (PEA), which influences mood and focus. Thus, L-Phenylalanine is key for supporting healthy neurotransmitter function.*

Key Benefits of L-Phenylalanine Supplementation

By supporting the production of norepinephrine and dopamine, L-Phenylalanine may help maintain mental alertness and a positive outlook.* Its role in PEA production may enhance feelings of wellbeing. As an essential amino acid, adequate intake is important for overall health, especially for those with dietary restrictions or increased needs. Source Naturals provides 500 mg of free form L-Phenylalanine per tablet, a convenient way to support these pathways.*

Who May Benefit from Taking L-Phenylalanine?

Adults looking to support cognitive function and mood balance may find L-Phenylalanine beneficial. Vegetarians and vegans may have lower intakes of certain amino acids, making supplementation a practical choice. Athletes and active individuals might use it for recovery and mental focus. As with any supplement, consult a health-care professional before use, especially if you have phenylketonuria (PKU), high blood pressure, or are taking MAO inhibitors. Always read the label and follow directions for use.

FAQs About L-Phenylalanine

What is the difference between L-Phenylalanine and DL-Phenylalanine? L-Phenylalanine is the natural form found in foods and used by the body. DL-Phenylalanine is a mix of L- and D-forms, sometimes used for different purposes. This product contains only the L-form.

How should I take L-Phenylalanine? The suggested use is 1 to 2 tablets daily, preferably on an empty stomach for better absorption. Do not exceed recommended dosage unless directed by a health-care professional.

Can I take L-Phenylalanine with other supplements? It can be taken with most supplements, but avoid high-protein meals or other amino acid supplements without guidance, as absorption may compete. Always consult a health care provider.

Is this product safe for long-term use? L-Phenylalanine is generally safe when used as directed. However, individuals with certain medical conditions should seek medical advice before prolonged use.

*These statements have not been evaluated by Health Canada. This product is not intended to diagnose, treat, , or prevent any disease.