Notepad with the text and chemical structure of L Tyrosine on table with pills stethoscope. This amino acid used as dietary supplement to improve aler
Notepad with the text and chemical structure of L Tyrosine on table with pills stethoscope. This amino acid used as dietary supplement to improve alertness, attention and physical performances.
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Photo credit: © Vladislav Zaretskiy / Alamy / Afripics
License: Royalty Free
Model Released: No
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