Swanson DL-Phenylalanine

500 mg, 100 Capsules

  • 25 Reviews
  • Our Price: £8.17
  • RRP: £16.99
  • You Save: £8.82 (52%)

They say a healthy body follows a healthy mind - in the case of DLP that's unquestionably the case. This prominent amino acid is a precursor to several crucial neurotransmitters responsible for our mood, our ability to manage pain and even our body's movement.

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What is Swanson DL-Phenylalanine?

In our bodies there exist certain amino acids which are considered to be nutritive building blocks for proteins. Phenylalanine is one of those acids and it comes in several forms. What Swanson DL-Phenylalanine has done is combined those forms in one supplement to provide your mind and body with the support it needs.

This electrically neutral amino acid has an incredible range to move throughout your body as one of the fewer amino acids able to move across the body's blood-brain barrier. Once ingested, it travels through our intestines and liver and then into our brains stimulating a range of effects.

Effects like producing other amino acids such as Tyrosine; the amino acid which is, itself a precursor to important mood controlling neurotransmitters such as Dopamine and Norepinephrine. Both responsible for maintaining our moods and movement.

By binding with glutamates, Swanson DL-Phenylalanine can actually stimulate your AMPA receptors and help to block certain harmful enzymatic processes.

What is Swanson DL-Phenylalanine used for?

When it comes to the role of amino acids in the brain, the science can begin to become a little baffling. What isn't confusing though, is how Swanson DL-Phenylalanine can help our body and minds.

There are two main uses for DLP in the body.

  • Pain moderation

Many people suffer terribly from chronic pain for a number of reasons. Perhaps you have been involved in an accident, perhaps a procedure or operation went wrong or perhaps you suffer from a condition like fibromyalgia and the pain comes without warning or context. No matter the cause, studies have shown that Swanson DL-Phenylalanine can help by blocking a certain pain inducing protein called enkephalinase.

  • Mood swings

Do you find your mood intolerably erratic? Do you suffer from mild bouts of depression? By boosting your body's supply of dopamine and Norepinephrine, Swanson DL-Phenylalanine can actually help you reduce your stress and anxiety levels.

Swanson DL-Phenylalanine may also help with:

  • ADHD
  • Movement

What is the recommended dosage of Swanson DL-Phenylalanine ?

Suggested Use:

As a dietary supplement, take one capsule one to two times per day with water.

Other ingredients:

Gelatin, magnesium stearate.


Do not take this product if you are pregnant or nursing, have phenylketonuria, or are taking MAOIs, levodopa, or antipsychotic medications. Consult your healthcare provider before use if you take any other health products.

About Swanson

Swanson produce a wide variety of supplements to support good health, weight loss and beauty. From individual vitamins to recipes designed for specific health complaints, Swanson has a capsule suitable for every possible need. Learn more about Swanson Health Products.

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Keep all supplements out of sight and reach of young children. Do not exceed the stated recommended intake. Content on this site is not intended to substitute advice given by a medical practitioner, pharmacist, or other licensed health-care professional. Contact your health-care provider immediately if you suspect that you have a medical condition. These products are not intended to be used to diagnose, treat, cure, or prevent any disease or health condition. Food supplements must not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Adverse reactions to supplements are rare, but if you experience an adverse reaction stop taking the product and contact your practitioner. Sometimes a supplement will suit one person but not another.