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L-Carnitine

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nick_b_75

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Anyone use L-Carnitine? dose it help burn fat?
 
bambam55

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I'm currently taking it simply because it was on sale for 50cents. Seems to give small kick of energy from the b-vitamins.
 
tim290280

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L-carnitine hasn't been shown to burn fat. It is not useful as a fat burner at all.
Dyck DJ. Dietary fat intake, supplements, and weight loss. Can J Appl Physiol. 2000;25(6):495-523.

Although there remains controversy regarding the role of macronutrient balance in the etiology of obesity, the consumption of high-fat diets appears to be strongly implicated in its development. Evidence that fat oxidation does not adjust rapidly to acute increases in dietary fat, as well as a decreased capacity to oxidize fat in the postprandial state in the obese, suggest that diets high in fat may lead to the accumulation of fat stores. Novel data is also presented suggesting that in rodents, high-fat diets may lead to the development of leptin resistance in skeletal muscle and subsequent accumulations of muscle triacylglycerol. Nevertheless, several current fad diets recommend drastically reduced carbohydrate intake, with a concurrent increase in fat content. Such recommendations are based on the underlying assumption that by reducing circulating insulin levels, lipolysis and lipid oxidation will be enhanced and fat storage reduced. Numerous supplements are purported to increase fat oxidation (carnitine, conjugated linoleic acid), increase metabolic rate (ephedrine, pyruvate), or inhibit hepatic lipogenesis (hydroxycitrate). All of these compounds are currently marketed in supplemental form to increase weight loss, but few have actually been shown to be effective in scientific studies. To date, there is little or no evidence supporting that carnitine or hydroxycitrate supplementation are of any value for weight loss in humans. Supplements such as pyruvate have been shown to be effective at high dosages, but there is little mechanistic information to explain its purported effect or data to indicate its effectiveness at lower dosages. Conjugated linoleic acid has been shown to stimulate fat utilization and decrease body fat content in mice but has not been tested in humans. The effects of ephedrine, in conjunction with methylxanthines and aspirin, in humans appears unequivocal but includes various cardiovascular side effects. None of these compounds have been tested for their effectiveness or safety over prolonged periods of time.

It is involved with fatty acid metabolism though, but the body makes it out of Vit C, methionine and lysine in large enough quantities. Main problem comes with pregnant and starving people who lack Vit C.
 
MetalMX

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L-Carnitine is pretty poor in terms of results.

Acetyl - L - Carnitine is the best form to be using. It helps preserve the integrity of the mitochondrion and also keeps the brain functioning at optimal levels. It plays a large role in your bodys energy production.

The acetyl component of acetyl-L-carnitine has another function — the production of acetylcholine, a neurotransmitter vital to proper brain function and to the entire nervous system.

It's also beneficial for nerve regeneration for people with peripheral neuropathies. Because it can repair the myelin sheath coating of the nerves.

When the body has enough ALC it can turn to bodyfat stores a lot more easily without having to use glucose as much. So it will delay muscle fatigue, decreases the accumulation of lactic acid, a byproduct of glucose metabolism, and spare glycogen.

It is an excellent anti-aging supplement.

:thumbsup2:
 
Natzo

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that's the shit that only burns fat in the wallet..

not usefull..
 
Shadow

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Tried this and had no results whatsoever
 
H

hook3

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wait so carnitine produeces ephedrine?
 
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Pagan

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And here I was told by the guy at GNC that it did burn fat.

Oh well...there's some wasted $$$.
 

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