fact sheet for l-carnitine CLA + Carnitine L-Carnitine (500mg)

McIlduff CE and Rutkove SB

However, there were no significant differences in all-cause mortality (OR = 0.48, 95% CI: 0.21 to 1.06, P = 0.07), six-minute walk (WMD: 45.41 m, 95% CI: 14.46 to 105.29, P = 0.14), and adverse events between L-C and control groups (5.4% versus 5.8%, OR = 0.92, 95% CI: 0.44 to 1.92, P = 0.83)

No surgery

Aerobic high-intensity intervals improve VO2max more than moderate training

[16] In terms of how you feel, in my experience, people notice both forms of carnitine make them more energetic and optimistic

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