You should to see if you need to wash your hands.

To answer SM's question it's save to supplement to about 500-3000mg.
No reported side effects at that dosage. Take on 1500mg on empty stomach.
Do not take before bed.

It promotes proper lipid transfer of fats and in many cases can eliminate the need for statins.

Carnitine is a quaternary ammonium compound biosynthesized from the amino acidslysine and methionine.[1] In living cells, it is required for the transport of fatty acids from the cytosol into the mitochondria during the breakdown of lipids (fats) for the generation of metabolic energy.

Positive Effects on

Bone mass and loss
Antioxidant effects
Heart conditions
Blood sugar and diabetes
Kidney disease and dialysis
Male infertility
Weight loss

Carnitine - Wikipedia

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