About Pure Encapsulations
Pure Encapsulations has spent over 30 years researching and developing its line of supplements. Pure Encapsulations formulas are composed of the highest quality, pure ingredients and do not contain any unnecessary additives. Their ingredients and products are backed by clinical data, science and researchers.

Common Questions
Who is L-Tyrosine right for?
L-Tyrosine is a great supplement for anyone experiencing stress in their lives, whether daily or event based. We recommend taking L-Tyrosine along with 5-HTP to optimize outcomes.
What are the potential side effects of L-Tyrosine?
The most common side effects of L-Tyrosine are nausea and drowsiness.
What is L-Tyrosine?
L-Tyrosine is an amino acid that is produced by the body when it converts l-phenylalanine, an essential amino acid found in some food sources. L-tyrosine is a precursor of catecholamine neurotransmitters and supports a variety of cognitive functions.
Is L-Tyrosine FDA approved?
The FDA regulates prescription and over-the-counter drugs, not dietary supplements. Any statements made have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.