l carnitine dietary sources of choline, phosphatidylcholine, and L-carnitine L Carnitine 1000 mg by

Across different organs, protein-bound lysine is methylated to form -N-trimethyllysine in a reaction catalyzed by specific lysine methyltransferases that use S-adenosyl-methionine (derived from methionine) as a methyl donor

Storage and Handling Keep at room temperature and protect from light

Allocation concealment mechanism Sealed and opaque envelopes were provided by the supplement manufacturer which determined A or B box content (LC or placebo)

Serotonin reduction in post-acute sequelae of viral infection

L-carnitines benefits may also be indirect and take weeks or months to appear

The 28-mortality rate, oxidative status including total antioxidant capacity (TAC), malondialdehyde (MDA), SOD, and usual monitoring variables in the ICU monitoring were also appraised at baseline and endpoint of the study as secondary outcomes