NOW L-lysine 500 mg, 250 Capsules

(1589 Reviews)

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$15.19

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(20000 available )

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98 Ratings
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Reviews
  • Em Cee

    > 3 day

    The size and consistency of these are so easy to swallow and absorb and no stomach upset even on an empty stomach and they work. I take them whenever I bite the inside of my mouth or get a sore mouth or even a sore throat. It is gone within a day or two.

  • C Wahlman

    > 3 day

    This maybe a miracle! Ive had cold sores for years and I hate them. I tried otc and prescribed ointments, but they still last for a week and look gross. Im totally sel-conscious. Now that I have kids, Ive become overwhelmed trying to make sure I dont infect them. This led me to explore any alternative I could find on the internet. I tried many things, but L-lysine is the first product that should immediate and remarkable improvements. Now as soon as I feel the tingle, I double the dose. Sores barely become noticeable and last for a day it two!!! Its amazing. I cannot recommend this product enough!

  • Leonor Will

    > 3 day

    Whatever youre taking Lysine for, these 500 mg CAPSULES by NOW are much smoother and easier to swallow then the 1000 mg. TABLETS. Just take two of these if you want 1000 mg dose; if not, take one. Also these work well for opening the capsule and sprinkling the powder into applesauce or fruit juice if you or a loved one--or pet--cant swallow capsules or tablets. Lysine works well for so many things, especially for preventing Shingles outbreaks, cold sores, or Herpes outbreaks.

  • bonnie isley

    > 3 day

    Ive ordered these easy-to-swallow capsules L-Lysine from Amazon for several years. I am thankful to be able to depend upon Amazon to provide this great value pack for me. Thank you.

  • D&T Mackey

    > 3 day

    My kids and I love this supplement. It seems kind of funny to review something like this since it is simply a staple in our house (and has been for years). My kids and I have a tendency towards canker sores (otherwise known as mouth ulcers). When we are consistently taking this everyday, no canker sores! My teen daughters are not great about consistently taking vitamins every day, but when they begin to develop a canker sore, they start taking L-Lysine and the canker sores go away. My younger daughter has a pretty intense orthodontic appliance in her mouth, which can easily cause sores on her cheeks. I think it is only because of consistently taking L-Lysine that she has been able to make it through this orthodontic process. This supplement is very inexpensive, odorless, and effective. All pros and no cons as far as our household is concerned.

  • Purchase Reviewer

    > 3 day

    I used to get cold sores at least every other month but after discovering l-lysine i have not not got them in six months this is what works for me and i do it every single day 1- 1000mg tab at 12am 1-1000mg tab at 12 pm 1-500mg tab before i brush my teeth when getting ready for work If i am at work 1-500mg tab every 2 hours If i am at home 1-500 mg tab every three hours I am not sure if this is safe (since i have no medical background) but this works for me i was tired of getting cold sores and this really works for me

  • RedGalStr8

    > 3 day

    Long story short, I’ve been taking this L-lysine for about 8-9 months only once a day and sometimes I’d skip a day when I forgot. I went to the doctor for my bloodwork a little over 4 months ago and it came back that I have high cholesterol. That’s very weird for me because we have no family history of this in my family, I’m a good weight, exercise and eat a pretty healthy and balanced diet. After researching and then calling my doctor with the news, I stopped taking L-lysine because I found that it can raise your bad cholesterol and it should only be taken 3-4 weeks MAX. It’s been a little over 4 months now and I’m happy to say that my cholesterol is now back to normal, the only change I made was I stopped taking the L-lysine supplement. I’m sure it can help people, but I do warn you to only take it for up to a month and then take a long break in between. Hopefully, no one has this happen to them and hopefully I have no permanent damage or issues later on because of it. God bless!

  • john smith

    06-06-2025

    I’ve never heard of this brand before, but it seemed to look pretty decent for the price. I definitely wouldn’t buy this brand for say calcium or iron. I’d buy a reputable brand for that. This was recommended to me for cold sore prevention and I didn’t see much of a difference. L-lysine is supposed to aid I’m immune health in turn helping with cold sores. So why did I give three stars? Other than the effectiveness against my problem, I can’t really give a bad review for it not working for me. This isn’t making any “claims” for what I wanted to use it for. HOWEVER the bottle cap just pops off to open. Not really safe for someone who has kids, or someone with mental disabilities. Obviously this isn’t going to hurt you, but it’s a choking hazard. I’d like it to at least have a twist off cap. Maybe some think I’m too cautious, but still.

  • RBowen

    > 3 day

    They are easy to swallow and hopefully they will work.

  • Book Lover

    > 3 day

    When I start to feel a tingle on my lip, I know I’m about to get a fever blister. I hate those things! I take one of these as soon as I can and it won’t form a blister. I don’t take one every day, just when I feel one coming on. Depending on when I take it, it may have to be more than one day in a row that I take it. It totally works.

Now foods l-lysine 500 mg, 250 capsules contain essential amino acids that help support healthy connective tissue and support calcium absorption.

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