Int J Mol Sci 13:20782090 Vieira Neto E, Fonseca AA, Almeida RF, Figueiredo MP, Porto MA, Ribeiro MG (2012) Analysis of acylcarnitine profiles in umbilical cord blood and during the early neonatal period by electrospray ionization tandem mass spectrometry
No significant difference in the prevalence of symptoms was found between participants with MMA levels 400 nmol/l (n = 60) and those whose levels were 600 nmol/l showed some improvement in neurological symptoms (Hvas, 2001b)
The good news is that there isnt a strict age restriction for using this code
B12 itself doesnt mask other deficiencies, but its possible to have other vitamin deficiencies (like folate or vitamin D) at the same time
Other symptoms can include trouble sleeping, loss of appetite, and restlessness
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