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Clin Chim Acta 1982;122:369-75

Of these, 7 participants withdrew from the study due to personal reasons, and 3 were excluded due to low compliance ( 0.05)

doi: 10.1038/nutd.2013.36

Oncotarget 7 , 38323846 (2016)

Start gradually, monitor tolerance, and avoid taking it after 2-3 PM to avoid disrupting sleep

Biochemical tests for MMA may show elevated levels of blood propionylcarnitine and/or elevated propionylcarnitine to acetylcarnitine ratio, and markedly elevated urinary methylmalonic acid and methyl citrate [11]
