Your Questions About Carnitine

August 7, 2012
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Joseph asks…

Would you recommend taking l-carnitine when having a kidney stone?

I was recently diagnosed with an uric kidney stone and I am not sure if I can still take liquid l-carnitine before exercise. Can anyone help?? Would l-carnitine hurt my kidneys?
P.S. I am not taking any supplements other than l-carnitine 30 min before exercise.

admin answers:

Have you ever seen the cartoon where they roll a snowball down a hill the size of a pea and it becomes the size of a beach ball when it reaches the bottom? Well, keep taking the supplements and you will find out in true life how that feels to push that through your p*e*n*i*s*.
Take the kidney stone as a wake up call. You are probably taking supplements incorrectly, too much for your body weight…too much is giving you kidney stones and not enough water to thoroughly distribute it throughout your body and eliminate through your urine without becoming a stone.

Richard asks…

What is the difference between L-Carnitine and Acetyl L-Carnitine supplements?

Considering L-Carnitine to help assuage muscle fatigue during exercise – is there a difference between Acetyl L-Carnitine and L-Carnitine? I see supplement offerings of both. Is one better than the other? Thanks in advance for your advice.
Thanks, Joe – my question came partly from this info: Research shows that people who supplement with L-carnitine while engaging in an exercise regimen are less likely to experience muscle soreness. – found at web link http://www.mednd.com/html/Supp/Carnitine.htm#Supp-Sources. Any further comments are welcome.

admin answers:

L carnitine won’t really help you here in any form.L carnitine is involved in more lipid metabolism and cardio vascular function and acetyl l carnitine is supposed to have more benefits for the brain.To reduce muscle fatigue you can just consume more carbohydrates the day before or use creatine.I don’t know of any studies linking any form of carnitine to increased performance.Potassium and calcium are a much safer bet.Stay well hydrated.

Donald asks…

What is the Difference between Liquid L-Carnitine and the Pill form of L-Carnitine?

I’m trying to lose weight and someone suggested L-Carnitine. I’m going to order from the Vitamin Shoppe and they offer L-Carnitine in Liquid Raspberry flavor and in the Tablet form. Which one is better?

admin answers:

Before you begin taking any supplement, please do your own research rather than take the word of “someone” who, in all likelihood, knows very little about it. It’s your body, so do your due diligence before introducing something which may be harmful in the short or long run.

Our bodies manufacture carnitine using two amino acids, lysine and methionine. Carnitine is used in cells for the transport of fatty acids from the cytosol into the mitochondria during the breakdown of lipids (fats) for the generation of metabolic energy.

Carnitine exists in two stereoisomers, or mirror images of each other. The biologically active form is L-carnitine, while its enantiomer, D-carnitine, is biologically inactive.

According to research at the University of Maryland Medical Center, “Although L-carnitine has been marketed as a weight-loss supplement, there is no scientific evidence to date to show that it improves weight loss.” Click on the second link below for more information.

You can get plenty of L-carnitine from food, rather than take a supplement. The best sources are beef steak and ground beef. Go to the first link below for a list of foods rich in L-carnitine.

If you still insist on taking the supplement after doing research on the topic, the body absorbs liquids easier than pills, especially as we age. Click on the third link for current research regarding nutrient absorption via liquid or pill.

A happy, healthy 2010 to you.

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