L-carnitine

L-carnitine [∞]

L-Carnitine: Uses, Warnings, and Sources

Alternate Names:

• L-Carnitine
• Acetyl-L-Carnitine (ALCAR)
• Propionyl-L-Carnitine

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Uses of L-Carnitine

Use	Index
Fat Metabolism & Weight Loss	{{ct: Weight Loss }}
Exercise Performance & Endurance	{{ct: Exercise Performance }}
Heart Health & Cholesterol Support	{{ct: Heart Health }}
Brain Health & Cognitive Function	{{ct: Brain Health }}
Male Fertility Support	{{ct: Fertility Support }}
Diabetes & Insulin Sensitivity	{{ct: Blood Sugar Regulation }}
Energy Production & Fatty Acid Transport	{{ct: Energy Production }}

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Warnings & Side Effects:

• Possible Side Effects: Nausea, stomach upset, and diarrhea may occur, particularly at high doses.
• Excessive Use: Can cause muscle weakness, restlessness, and possibly a fishy odor due to high levels of carnitine.
• Medication Interactions: Can interact with thyroid medications and anticoagulants, reducing their effectiveness.
• Pregnancy & Breastfeeding: Not enough evidence to determine safety; consult with a healthcare provider before use.

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Active Compounds That Make It Effective:

• L-Carnitine: Plays a vital role in transporting fatty acids into the mitochondria for energy production.
• Acetyl-L-Carnitine (ALCAR): A more bioavailable form of carnitine that supports brain health and cognitive function.

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Natural Sources of L-Carnitine:

• Red Meat: Beef, lamb, pork
• Fish & Seafood: Cod, tuna, haddock
• Dairy Products: Milk, cheese, yogurt
• Chicken: Poultry is another good source
• Plant Sources (small amounts): Avocados, tempeh, and certain whole grains