Jarrow Formulas Acetyl L-Carnitine 500 mg

… this supplement has been really important towards my feeling better. I had unexplained twitching and neurological issues

I think this supplement has been really important towards my feeling better. I had unexplained twitching and neurological issues

270 persons found it helpful

Not for people on medication for hypothyroidism

If you are on medication for hypothyroidism, please check with your doctor before taking any L Carnitine. I started feeling very strange within days of taking this. After some research I found out this interferes with Synthroid. I use Amazon's reviews, so thought I'd post this in case anyone out there was thinking of taking this for the fatigue that often accompanies Hypothyroidism. Good luck on your health journey

153 persons found it helpful

No longer pharmaceutical grade.

No longer pharmaceutical grade. This product no longer contains the Sigma Tau logo. While I endorse taking ALC for those similarly afflicted, I cannot recommend the current version offered under the Jarrow brand. One should look elsewhere to brands sourced from either Lonza ("L-Carnipure" TM) or Sigma Tau ("Biosint" TM), another reputable pharmaceutical grade manufacturer based in Italy. (Doctor's Best source their ALC from Sigma Tau and carry its trademark on their labels. TwinLab, currently one of the most popular brands of ALC on Amazon, sources its product from Lonza -- at least for as long as its label retains the "L-Carnipure" trademark.) In most cases, the brand label will display the words "pharmaceutical grade." The premium charged here is relatively modest (~20%) and well worth it

113 persons found it helpful

Amazing for a Workout!

Here is a story about my experience with Acetyl L-Carnitine for my workout regiment. It's worth the read if you're considering it for more than just neurological help. I hope you get though it! Several months ago I started a workout routine that involves me going to a rock climbing gym for hours at time. The biggest problem I encountered was hitting a wall after an hour and a half or so and unable to really push myself further. I talked to my brother, who has been a major body builder for years, and he recommended this product. I was skeptical as I've tried many other supplements in the past, even ones that cause rushes of energy, and nothing really got me past the wall. The energy ones were nice too, but, rushes of energy or not, my hands and body were unable to support the constant push of strength that rock climbing requires. I ordered this Acetyl L-Carnitine mainly because it's not only inexpensive compared to some other brands, it's made by Jarrow, who's name I recognize as being top-tiered according to a lot of reading I've done, and they're capsules not tablets. I know Acetyl L-Carnitine has quite a benefit if taking daily, but I'm not necessarily after all the benefits it provides since it can get expensive. I take two capsules, 1000mgs, and a protein bar before I leave for the rock gym. I think it's good to mention I've always had a good quality protein bar before I go to the gym so the energy from it kicks in about an hour after I get there making it so I can push a bit harder for a bit longer. The first time I took these tablets after that hour and a half mark I just felt good... a bit fatigued from the constant push, but otherwise my muscles responded well. I went hard for three hours that day and couldn't figure out why, or how. I didn't think such a supplement capable of that so I didn't even consider it. The next time I went to the rock gym, two days later, I failed to take this supplement since I wasn't really in the habit of taking it yet. I had a very hard time at the rock gym that day. I crashed into my physical wall like most other times and longed for whatever made my last visit different. I thought about these supplements at that point with dim suspicion that they might have caused it. Two days later I went back to the rock gym and was certain to take the two Acetyl L-Carnitine capsules that time. Shockingly my energy level maintained and I was able to push for hours until my hands were litterly unable to support my weight. Not because of pain or me just being weary, but because my muscles hit their end point and were completely done. I've taken 1000mgs of Acetyl L-Carnitine ever since and have not hit a wall since then. Maybe it's the combination of the protein bar I eat along with the Acetyl L-Carnitine, but, either way, with results like this, I couldn't be happier! I will ALWAYS take this before I go to the rock gym going forward. HIGHLY recommended

67 persons found it helpful

Don't start my day without it!

I've been taking Jarrow's Acetyl L-Carnitine for almost a year. Love it! I noticed immediate memory improvement, reduced fog, enhanced clarity, better focus ability, and more overall energy. I take it immediately upon waking on an empty stomach with my morning cup of coffee. I also add D-Ribose to my coffee. Gets me going every day! I take a second L-Carnitine before lunch. I can absolutely tell when I don't take it

66 persons found it helpful

Dramatically improved my narcolepsy!

I have narcolepsy. A 2013 study from the University of Tokyo suggests that narcoleptics suffer from low serum carnitine levels, so after reading about it I decided to give l-carnitine supplements a try. I can't over emphasize what a dramatic difference this product has made for me, particularly when it comes to improving my mental acuity. I've been taking this particular formula by Jarrow, twice a day, and I almost feel like my narcolepsy has become a non-issue! I still have to take a 15 min nap in the afternoon, but short of that the constant intrusion of mental decline that accompanied the vacillations of sleepiness during the day has disappeared. I actually feel like a normal human being. This formula by Jarrow is the only l-carnitine product I have ever tried, so I can't really speak to how this formula compares to some other l-carnitine products. What I can say is that I feel no reason to try another product, this one works so incredibly well. I don't write a lot of reviews, but I felt I had some responsibility to my fellow narcoleptics out there who might stumble across this. It has been amazing for me

56 persons found it helpful

best supplement out there

Carnitine changed my life. I've suffered from anxiety, depression, low energy and this changed all of it. I've taken countless anxiety medications and anti-depressants to no avail. Give it a few weeks to adjust and I promise you'll see a difference. I like to take these before I exercise too, gives me that extra boost

53 persons found it helpful

Very helpful for workouts, side effect: vivid dreams

I've been taking this product for more than two weeks now. I take 1000 mg on my workout days. I definitely noticed a difference. Normally, if I work out earlier in the day, I usually spend the rest of the day super tired, wanting to go to sleep. If I take this product, however, I am very energetic for the rest of the day. I am also very productive and focused on my studies. However, there are some side effects that I observed. If I take l-carnitine, when I'm not working out, I am a little too alert and I think really fast. The over-alertness creates a mental fog (sort of like an ADD feeling). As a result, I don't take l-carnitine if I'm not working out that day. One other thing I realized is that, my dreams have become very vivid and memorable after taking this product -to the extent that I once got confused if something happened in a dream or reality. The sleep is usually very peaceful and relaxing. Other than that, I'm very happy with this product as a workout supplement. However, I am considering giving it a break for a few days, because of the dream side effect

45 persons found it helpful

I noticed an immediate effect in my alertness & focus. Only use early in the day, as it will keep you awake. I made the mistake of taking a dose at 7pm and was awake all night

36 persons found it helpful

Firbromyalgia energy boost

I may have firbromyalgia, whatever the case, I have severe energy drops and brain fog, especially towards the end of the work day. I picked up another version of Acetyl L-Carnitine from Walgreens, but I almost think the blend is a bit acidic, even though it helped with my energy. So, instead, I ordered this from Amazon. Overall, I find that this generally stops the energy crashes I was having. This blend doesn't seem to have whatever was in the Walgreens version. If you deal with any type of pain disorder or something that makes you tired all the time, or causes energy crashes, this really does seem to help. The dream side effect is real though. I don't find I have more 'vivid' dreams like some reviewers, but I think it is just that I remember more of my dreams on a regular basis. I don't find it off-putting and the brain fog seems to go hand in hand with the energy crashes, so overall, I think this helps both

35 persons found it helpful