l-carnitine q10 plus CoQ10 Magnesium, 90 Veggie Caps CoQ10 Plus with L-Carnitine 100
Description
[The clinical and hemodynamic effects of propionyl-L-carnitine in the treatment of congestive heart failure]

PMID: 169 KandevaniNYNamdariFHamidiMDialamehHBehzadiA

This was recently confirmed by Liu et al

doi: 10.1001/archinternmed.2011.2287
Figure 3 4.2 Effect on extrauterine growth restriction Supplementation with L-carnitine lacks robust evidence for improving extrauterine growth

It's not a miracle solution, but consistent use of it along with exercise and good eating can give you real results over time
