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5.5m/s, 2.5mm depth, 100ms dwell, 5mm hemispherical tip)

B12 is an essential vitamin that aids in the oxygenation and regulation of red blood cells

The distribution volume (Vd) is 0.6~0.8L/kg, widely distributed in tissues such as liver, kidney, and muscle

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