You may see it listed as L-carnitine, L-carnitine L-tartrate, or Propionyl-L-carnitine in supplement form. They’re all similar and similarly effective.
Acetyl-L-carnitine, also known as acetylcarnitine (or ALCAR), is another popular supplemental form of L-carnitine. It’s lives throughout your central nervous system, where it helps produce energy.
L-carnitine helps your body burn stored body fat as fuel for your cells. L-carnitine converts fat for usable energy both when you exercise and rest, but research confirms that this abundant supplement is especially effective during intense exercise.
It activates after a spike in your body’s insulin levels. When simple carbs – think cookies, cake, candy, booze – or a combination thereof are eaten together within a short time-frame, your pancreas releases a burst (or spike) of insulin converting those carbs into sugars (glucose) which provide cheap fuel for your cells.
Leftover sugars are converted into belly and body fat. Insulin “spikes” strain your pancreas. Insulin spikes also lower your cells ability to burn glucose for fuel. Over time can lead to “metabolic syndrome” or what is known as pre-diabetes.
Left unchecked full blown diabetes is practically inevitable.
A study from Scotland concluded that in addition to burning fat-as-fuel, L-carnitine also enhances insulin’s actions on muscle cells.
The result: L-carnitine helps blood glucose levels stay low and protects your muscles, even following a carb-heavy holiday meal. This is why I recommend taking 2 grams (2,000 milligrams) L-carnitine with a post-workout mea
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