Does L-carnitine work for fat loss? | Nutritionist Explains | Myprotein
Aug 21, 2026
Does L-carnitine actually work for fat loss? L-carnitine is commonly found in fat burners and weight loss supplements, with claims that it helps your body burn more fat for energy.
But does taking an L-carnitine supplement actually lead to meaningful fat loss?
In this YouTube Short, expert nutritionist Dr Richie Kirwan breaks down how L-carnitine works in the body, what the research says about L-carnitine for weight loss, and whether it's worth adding to your supplement stack.
Key Facts:
L-carnitine plays an important role in transporting fatty acids into mitochondria where they can be used for energy.
Your body naturally produces carnitine, and it is also found in foods, particularly animal products.
Taking more L-carnitine doesn't automatically mean your body will burn significantly more fat.
Research suggests L-carnitine supplementation may produce modest reductions in body weight in some populations, but results vary.
L-carnitine isn't a replacement for maintaining a calorie deficit.
Diet, activity, training, and sustainable lifestyle changes remain far more important for long-term fat loss.
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