l'carnitine effet The effect of l-carnitine supplementation on mortality and clinical outcomes in ventilator-dependent critically ill patients with obesity and COVID-19: Protocol for a randomized double-blind placebo-controlled trial Role of L-carnitine in female
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Vitamin B12 contributes to normal red blood cell formation

[DOI] [PubMed] [Google Scholar] 2.Marcovina SM, Sirtori C, Peracino A, Gheorghiade M, Borum P, Remuzzi G, Ardehali H

Complementary evidence from randomized controlled trials indicates modest but meaningful improvements in cardiometabolic markers, including reductions in total cholesterol (0.23 mmol/L), LDL cholesterol (0.16 mmol/L), and fasting glucose (0.18 mmol/L) (Hossain et al., 2025)

Effect of L-carnosine in children with autism spectrum disorders: A systematic review and meta-analysis of randomised controlled trials
