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It contributes to the repair of joint tissue and can help relieve joint discomfort

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A monthly vitamin B12 injection is a proactive step toward maintaining good health and combating the negative effects of aging

97 KilbourneM.KuehnR.TosunC.CaridiJ.KeledjianK.BochicchioG.et al (2009)

The brain uses three amino acids tryptophan, tyrosine, and phenylalanine to make the three major neurotransmitters (serotonin, dopamine, and norepinephrine).26 But a 2020 study found seven amino acids that could potentially improve older adults cognitive, social, and psychological functioning: leucine, lysine, isoleucine, histidine, valine, phenylalanine, and tryptophan.27 Similar to NALT for tyrosine, you might see some of these amino acids listed as acronyms