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Buy Our DL-Phenylalanine Supplement


DL-Phenylalanine is a combination of two stereo-isomers of the amino acid, Phenylalanine. Both the isomers have distinct benefits and the combination allows users to benefit from both. Phenylalanine has the chemical formula C9H11NO2 and a molecular mass of 165.1992 g/mol.


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DL-Phenylalanine Benefits and Uses


DL-Phenylalanine is a composite supplement that includes both stereo-isomers (chemical mirror images) of the amino acid, Phenylalanine. L-Phenylalanine is a naturally occurring compound found in meats and protein-rich foods. D-Phenylalanine is a laboratory-made compound used in research for pain reduction. Anecdotally, the supplement combination may have similar effects to other mood-lifting compounds.


Where to Buy DL-Phenylalanine Online?


LiftMode offers a bulk unit size of DL-Phenylalanine at 400 grams (14.11 Oz). This product is guaranteed at an extremely high purity of 99+%.

All our products ship with a certificate of analysis from 3rd-party independent laboratories, and all orders are covered by our 90-days refund/reshipment policy to ensure the highest quality.


Shipping restrictions: No shipping restrictions currently apply to this product and we are able to ship internationally. At checkout, the available shipping options for your location will be available.  




DL-Phenylalanine is known by a number of alternative names, including:


2-amino-3-phenylpropanoic acid




Alanine, Phenyl, DL-


(S)-2-Amino-3-phenylpropanoic acid


NSC 9959


Scientific Consensus:


A number of clinical studies have been conducted to evaluate the effectiveness of DL-Phenylalanine for its proposed benefits. Most studies have indicated positive results with few side effects. Nevertheless, further research is needed to fully understand the significance of the benefits and adverse effects of this supplement, especially for long term use.


There is not enough research about the safety of DL-Phenylalanine for pregnant and breastfeeding women.  


SPECIAL WARNING: DL-Phenylalanine must NOT be taken by people with the rare genetic disorder phenylketonuria (PKU). DLPA may interact with a number of medications.

Excessive servings may be detrimental to your health. Overdose symptoms may include anxiety, jitteriness, nausea, heartburn, and nerve damage when used in excess,  Do not exceed the recommended serving size.




All dietary supplements have risks. Please ensure that you are familiar with the latest research on effects, side effects, benefits, and uses of a supplement before buying it.


Store in a cool, dry place. Keep out of reach of children. If you have any underlying medical conditions or are taking any medication, please consult a medical professional before using this supplement. 


These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


buy dl-phenylalanine


How We Research Our Content

Our content is written using meticulous research methods and claims are backed by links to scientific references, wherever possible. The author and editors of Liftmode's Research Team have strong academic backgrounds in microbiology, physiology, and biochemistry.

Content Updated On: November 1, 2019




  • Walsh, N. E., Ramamurthy, S., Schoenfeld, L., Hoffman, J. (1986) Analgesic effectiveness of D-phenylalanine in chronic pain patients. Arch Phys Med Rehabil 67(7):436-9. 

  • Beckmann, H., Strauss, M. A., Ludolph, E. (1977). Dl-phenylalanine in depressed patients: an open study. J Neural Transm. 41(2-3):123-34.

  • Russell, A. L., McCarty, M. F. (2000). DL-phenylalanine markedly potentiates opiate analgesia - an example of nutrient/pharmaceutical up-regulation of the endogenous analgesia system. Med Hypotheses. 55(4):283-8.

  • Landsberg, L., Young, J. B. (1983). The role of the sympathetic nervous system and catecholamines in the regulation of energy metabolism. Am J Clin Nutr. 38(6):1018-24