l tyrosine and l carnitine together L-Tyrosine Supplement for Mood & Mental Alertness PhenylAde GMP Mix-In Unflavored Powder
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doi: 10.1111/j.1472-765X.2010.02900.x 187 JohnsonM
Venkatraman, V., Chuah, Y
Itoh, T
[DOI] [PMC free article] [PubMed] [Google Scholar] 157.Do V.G., Yang M.S
Vegetarians are indeed at risk of developing vitamin B12 deficiency since vegetarians have a lower intake of vitamin B12 than non-vegetarians
