Also known as DLPA, DL-Phenylalanine contains different states of the amino acid phenylalanine. The “D” state of the substance is artificial, while the “L” state is organic, and can be found in foods abundant in protein. Primarily, D-Phenylalanine is used to determine how the central nervous system interacts with chronic pains located throughout the body, making it a less desirable option as a cognitive enhancer.



Having a high bioavailability, DL-Phenylalanine passes through the intestines upon consumption and is absorbed into the liver. Afterwards, it is processed into the brain and acts as a precursor to another strong amino acid, Tyrosine. After the conversion, Tyrosine is used to create many different but effective neurotransmitters, which include Norepinephrine and Dopamine. Those neurotransmitters have a vital impact on the central nervous system, affecting an individual’s overall mood and physical responses to stimuli. It has also been reported that DL-Phenylalanine can help to control mood swings related to Premenstrual syndrome (PMS). Users will primarily take DL-Phenylalanine to combat the pains of chronic stress, such as aches in the muscles throughout the body and/or constant arthritis related discomforts. It succeeds in that effort by halting the actions of a pain-inciting protein called enkephalinase.

Side Effects & Dosages

DL-Phenylalanine is widely regarded to be a safe substance, with mild side effects that can include headaches, light nausea, and heartburn, however it’s not uncommon for users to lack any negative side effects at all. Note that excess levels of use (specifically those with dosages ranging in the 1,500 mg daily or more amounts) can result in episodes of numbness or nerve damage. Increased blood pressure is also possible, which makes it important to follow the recommended daily dosage information associated with the substance. General dosages will vary, with appropriate amounts ultimately determined by an individual’s overall health and reasons for use. Those seeking help with their depression may find daily amounts of 200 mg sufficient, for example. As a result, consult a qualified medical professional for the best individual amount depending on the motivation for consumption.

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