2.5 Quality assessment and risk of bias In line with PRISMA guidelines, the assessment of methodological quality was conducted to evaluate the strength of evidence, recognising that methodological limitations may introduce bias
Cyanocobalamin (b12) injection 2,000 mcg / mL Multiple dose for intravenous, intramuscular or subcutaneous use GENERAL INFORMATION Cyanocobalamin, or vitamin B12, is a B vitamin
It should not be presented as an approved medicine for obesity, weight management, diabetes, fatty liver disease, muscle loss, ageing or another medical condition
Parasutterella colonization has been shown to alter tryptophan, tyrosine, and xanthine metabolism in mouse cecal samples 61
Vitamin B12 and Other B Vitamins May Help Alleviate Depression
At first glance, it may seem like higher oral doses would work better, but evidence suggests that is not always true