US$ 24.22
rc l carnitine 3000 benefits L-Carnitine Liquid L-Carnitine
Description
The comparative advantage of this system is its ability to maintain therapeutic drug levels for up to 14 days, significantly outperforming standard eye drops which require multiple daily doses

Cochrane handbook for systematic reviews of interventions
Further, the team also sought to determine whether carnitine was tied to comorbidities usually found among patients with severe COVID-19
PMID 19727285