Happy Supplement Sunday! Each of the supplements displayed in today's graphic have some scientific evidence supporting a benefit on liver enzyme (and potentially other markers) levels in people living with a fatty L CARNITINE 350 MG ( L CARNITINE ) 20 HARD GELATIN CAPSULES Mitochondrial control of fuel switching via carnitine biosynthesis Science The adverse effects of long term l carnitine supplementation on liver and kidney function in rats L Liu, D M Zhang, M X Wang, C Y Fan, F Zhou, S J Wang, L D Kong, 2015 L Carnitine has a liver protective effect through inhibition of inducible nitric oxide synthase induction in primary cultured ra L Carnitine Linus Pauling Institute Oregon State University