L-carnitine is a naturally occurring amino acid derivative that's often taken as a weight loss supplement. It has several benefits for health. Learn more.

L-carnitine supplements can sometimes cause nausea, diarrhea, cramps, or vomiting. High doses can make you smell "fishy." Risks. If you have Alzheimer's disease, a seizure disorder, or kidney ...

MRM Acetyl L-Carnitine 500mg Capsules 60ct. View on Amazon. 7.5. Acetyl L-Carnitine by MRM is a dietary supplement that provides 500mg of Acetyl L-Carnitine per capsule.

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Also known as levocarnitine, L-carnitine is a chemical that the brain, liver and kidneys make naturally. It’s also found in foods like beef, chicken, cheese, white fish and milk.

How To Take An L-Carnitine Supplement Most L-carnitine supplements come in capsule, tablet, or powder form. A typical L-carnitine dose is between 500 to 2,000 milligrams taken once daily, Zenker says.

Read the ingredient label on any energy drink and odds are fairly good that, among other arcane items, you’ll come across something called L-carnitine. Also sold in supplement form, L-carnitine ...

How To Take An L-Carnitine Supplement Most L-carnitine supplements come in capsule, tablet, or powder form. A typical L-carnitine dose is between 500 to 2,000 milligrams taken once daily, Zenker says.

L-carnitine can be bought as a dietary supplement, but the nutrient is also added to energy drinks and some protein powders by manufacturers to try and enhance the value of their products.

Taken by professional athletes and those with serious fitness goals, L-carnitine is an amino acid that preserves fuel for muscles and promotes the breakdown of fats into energy.