"I randomly stumbled upon information about taking this supplement in a magazine. I am a 28 year old female, and a vegetarian. I have paired this with L-glutamine and WOW what a difference it has made."... (read full reviews)

Twinlab Acetyl L-Carnitine -- 500 mg - 30 Capsules (5 reviews)product details

Overall Rating:

"I noticed a difference right away. Recalling people's names, which would be a struggle, now is amazingly easy. I notice more mental clarity now, even though I've been taking Gingko and omega oil,"... (read full reviews)

Country Life L-Carnitine Caps -- 500 mg - 60 Vegetarian Capsules (3 reviews)product details

Overall Rating:

"Taken in conjunction with Taurine boosts energy level up a notch."... (read full reviews)

Life Extension Optimized Carnitine with GlycoCarn -- 60 Vegetarian Capsules (2 reviews)product details

Overall Rating:

"As far as Carnitine formulations go this product is the "best of the very best" IMO. I have used this product for well over a year. Works as advertised!"... (read full reviews)

Jarrow Formulas Acetyl L-Carnitine -- 500 mg - 120 Capsules (1 ratings)product details

Overall Rating:

Jarrow Formulas L-Carnitine 500 -- 500 mg - 100 Licaps® (1 review)product details

Overall Rating:

"Jarrow in general delivers what it promises - unique these days. This is a high quality l-Carnitine, really works to turn fat into muscle. Two in the morning is great for me, I'm 5'4" and weigh"... (read full reviews)

Olympian Labs L-Carnitine -- 100 Capsules (1 review)product details

Overall Rating:

"This is a good weight loss tool. It is good to utilize fat better. It doesn't work right away. You have to use for a couple months, maybe 3 or 4 to see results."... (read full reviews)

Jarrow Formulas L-Carnitine 250 -- 250 mg - 250 Vegetarian Capsules (1 review)product details

Overall Rating:

"This product helped me put on more muscle. I take it everyday before my workouts."... (read full reviews)

Jarrow Formulas Acetyl L-Carnitine -- 250 mg - 120 Capsules (6 reviews)product details

Overall Rating:

"The only reason I gave a 3 to quality is that so far in the bottle purchased there are 2 empty capsules and this is poor quality control. Otherwise, its a very good product"... (read full reviews)

Jarrow Formulas Liquid Carnitine 1000 Lemon Lime -- 16 fl oz (13 reviews)product details

Overall Rating:

"Tastes great...very easy to take! Love it!!!"... (read full reviews)

Doctor's Best Acetyl-L-Carnitine HCI featuring Sigma tau® Carnitine -- 588 mg - 120 Capsules (3 reviews)product details

Overall Rating:

"I take two pills every day and I have my quick mind back . I also enjoy a deeper sleep."... (read full reviews)

Vitacost Acetyl L-Carnitine HCl & Acetyl L-Carnitine Arginate -- 200 Capsules (11 reviews)product details

Overall Rating:

"I don't do caffeine much at all, so having a perk-me-up is helpful at times. This is my desert-island supplement. So smooth, no caffeine jitters or muscle tension. Does clean-up work in the brain,"... (read full reviews)

Source Naturals Acetyl L-Carnitine -- 500 mg - 120 Tablets (5 reviews)product details

Overall Rating:

"Some might be intimidated by the size of this tab, but it's long/narrow and I don't have any trouble with it. Very effective in my CoQ10-Carnitine-Ribose regimen; blood pressure behaves very nicely."... (read full reviews)

Jarrow Formulas L-Carnitine 500 -- 500 mg - 100 Vegetarian Capsules (1 ratings)product details

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Dynamic Health Liquid L-Carnitine with CoQ-10 plus L-Arginine Lemon Lime -- 16 fl oz (7 reviews)product details

Overall Rating:

"Spent thousands to find out my deficiencies. CoQ-10 and L-Arginine were two of them. Since I have started taking large doses of these supplements, I have been feeling much better and my wife"... (read full reviews)

Doctor's Best Acetyl-L-Carnitine HCL featuring Sigma tau® Carnitine -- 500 mg - 60 Capsules (3 reviews)product details

Overall Rating:

"NEVER MADE A DIME'S WORTH OF DIFFERENCE...WASTE OF $$"... (read full reviews)