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Ingredient Guide

L-Carnitine: An Evidence Check

September 14, 2026 · 4 min read

L-Carnitine sounds like a fat burner because of what your body does with it. The supplement evidence is more modest.

What it does in the body

Your body makes L-Carnitine and uses it to move fatty acids into cells to be used for energy.

Why that doesn’t equal weight loss

Your body already makes enough for most people, so extra supplements do not automatically burn more fat.

What studies show

Research on L-Carnitine for weight is limited, with small and inconsistent effects in some analyses.

Side effects

Some people get stomach upset or nausea. Talk to a doctor if you have a medical condition or take medication.

In context

See the MeltCore ingredients page and weight loss pills: what to know.

General information only. This article is not medical advice. MeltCore is a dietary supplement and does not treat or cure any condition.
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