---
product_id: 3661092
title: "NOW L-lysine 500 mg, 250 Capsules"
brand: "now foods"
price: "$60.73"
currency: USD
in_stock: true
reviews_count: 8
category: "Now Foods"
url: https://www.desertcart.ec/products/3661092-now-l-lysine-500-mg-250-capsules
store_origin: EC
region: Ecuador
---

# Non-GMO & allergen-free 500 mg per capsule 250 capsules per bottle NOW L-lysine 500 mg, 250 Capsules

**Brand:** now foods
**Price:** $60.73
**Availability:** ✅ In Stock

## Summary

> 💪 Elevate your daily wellness with NOW L-Lysine — the essential boost your body craves!

## Quick Answers

- **What is this?** NOW L-lysine 500 mg, 250 Capsules by now foods
- **How much does it cost?** $60.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/3661092-now-l-lysine-500-mg-250-capsules)

## Best For

- now foods enthusiasts

## Why This Product

- Trusted now foods brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Supply, Zero Hassle:** 250 easy-to-swallow capsules per bottle keep you stocked and stress-free.
- • **Precision-Packed Potency:** Each capsule delivers a potent 500 mg dose of pure L-Lysine for consistent daily support.
- • **Clean & Conscious Formula:** Non-GMO, allergen-free, and gluten-free to fit your mindful, health-first lifestyle.
- • **Supports Immune & Skin Health:** Essential amino acid that promotes collagen synthesis and membrane integrity.
- • **Trusted by Families & Athletes:** Clinically favored for reducing cold sores, supporting recovery, and enhancing wellness routines.

## Overview

NOW L-Lysine 500 mg capsules provide a high-quality, non-GMO source of this essential amino acid, supporting immune function, collagen synthesis, and overall cellular health. With 250 capsules per bottle, it offers a convenient, allergen-free supplement ideal for adults seeking to maintain skin integrity, reduce cold sores, and enhance recovery in a clean, trusted formula.

## Description

Now Foods : These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please check with the manufacturer regarding warranty and support issues.

Review: Great for cats with respiratory illness - This is a great product for cats with feline herpes virus, an incurable and unpleasant respiratory illness that causes the cat to continually sneeze and suffer from sores in the mouth, discharge from both eyes and nose, and possibly tooth resorption as well. Although there is no cure for feline herpes and the infection is lifelong, l-lysine does a great job of eliminating the respiratory symptoms since it inhibits replication of the virus. This is well worth the expense of the supplement since feline herpes if untreated can lead to blindness. NOW foods l-lysine is the same strength as Viralys, which the vet prescribed for my ill cat. She did not test for the disease but told me to try Viralys and if it cleared up the symptoms (which it did) then the cat has herpes and needs to take l-lysine every day. She said that l-lysine is harmless to cats without herpes so there is no need to go to the expense of lab tests; just see whether or not the supplement helps reduce symptoms. I open a capsule and mix the powder into a small amount of baby food chicken and the cat eagerly licks it from the spoon. My cat is small and I have found that in the absence of stress, giving the medication once a day is adequate. "Stress, illness, fleas, poor diet, extreme temperatures or anything else which can negatively affect the immune system may cause the feline herpes virus symptoms to re-emerge," so if I notice a runny nose then I step up the dose to twice a day. If you are on a really tight budget you can purchase one-pound containers of l-lysine such as Vitacost L-Lysine Powder 435 mg which has 822 servings for under $10. Viralys costs twice as much (about $22) on desertcart for 100 grams, and it is also loose powder so dosing again is approximate. The Viralys container does not specify how many servings are included so it is hard to compare price with the NOW product. However, I like the convenience of the pre-measured capsules and presume that they stay fresher than a tub of powder does, particularly in a humid climate, plus I am hoping that quality control is higher for supplements marketed for people, so I purchase the NOW product. Here are the dosing directions from Viralys, which is 500mg of l-lysine hydrochloride per rounded scoop mixed into a "palatable" base: Use in cats and kittens as a nutritional supplement for conditions responsive to lysine. The suggested amount for cats over 6 months of age is one rounded scoop (500 mg) given orally twice daily. The suggested amount for kittens under 6 months of age is one-half scoop (250 mg) given orally twice daily. The powder may be sprinkled over dry food or mixed with a small amount of canned food. I am considering taking this supplement myself, since some research suggests that lysine might help prevent bone loss associated with osteoporosis by increasing calcium absorption, although scientific studies are lacking. From UMMC: Most people get enough lysine in their diet, although athletes, vegans who don't eat enough beans, and burn patients may need to take a supplement. For vegans, legumes (beans, peas, and lentils) are the best sources of lysine, although it is also found in nuts, soy products, spirulina, fenugreek seed and brewer's yeast. However, I presume that the marketing for this supplement targets athletes hoping to increase muscle mass rather than vegans or senior citizens, since I find it at the grocery store in the section with protein powders and supplements for athletes.
Review: Great Supplement! - 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.

## Features

- Essential amino acid
- Supports membrane health
- 500 mg per capsule
- Non-GMO

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0013OQLIW |
| Age Range Description | Adult |
| Allergen Information | Egg Free, Gluten Free, Milk Free, Shellfish Free, Soy Free, Wheat Free |
| Best Sellers Rank | #31,830 in Health & Household ( See Top 100 in Health & Household ) #35 in L-Lysine Nutritional Supplements #2,507 in Sales & Deals |
| Brand Name | NOW Foods |
| Color | No Color |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 5,261 Reviews |
| Dosage Form | Liquid,Tablet |
| Flavor | Unflavored |
| Global Trade Identification Number | 00733739001122, 30733739001123 |
| Item Dimensions | 6.4 x 3.3 x 3.3 inches |
| Item Form | Capsule |
| Item Height | 3.3 inches |
| Item Weight | 3.4 Ounces |
| Manufacturer | Now Foods |
| Material Features | GMO Free |
| Model Name | L-Lysine 500 mg 250 Capsules |
| Number of Items | 1 |
| Primary Supplement Type | Nutritional Supplements |
| Product Benefits | SUPPORTS COLLAGEN SYNTHESIS |
| Special Ingredients | All Natural, Gluten Free, Organic |
| Specific Uses For Product | Dry Sanding, Personal, Business, Amateur |
| Total Servings Per Container | 250 |
| UPC | 095888805663 733739001023 733739001122 812806297801 |
| Unit Count | 250 Count |

## Product Details

- **Brand:** NOW Foods
- **Flavor:** Unflavored
- **Primary Supplement Type:** Nutritional Supplements
- **Unit Count:** 250 Count
- **Item Form:** Capsule
- **Item Weight:** 3.4 Ounces
- **Item dimensions L x W x H:** 6.4 x 3.3 x 3.3 inches
- **Special Ingredients:** All Natural, Gluten Free, Organic
- **Product Benefits:** SUPPORTS COLLAGEN SYNTHESIS
- **Age Range (Description):** Adult

## Images

![NOW L-lysine 500 mg, 250 Capsules - Image 1](https://m.media-amazon.com/images/I/71OHbBjhEJL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: is this pharmaceutical grade?**
A: Everything you put in your mouth has to be pharmaceutical grade... I love when companies use this term to describe their products. It also has to be made in a FDA approved facility since the company is making the product for human consumption.

**Q: Is this capsule filled with liquid or powder?**
A: Powder, the capsules are easy to open if you wish to give less then the 500mg. Also sprinkle and mix with wet food and cats will eat it with no problem. If for dog same can be done, my friend does this for his dogs.

**Q: Is the Lysine extracted from soy?**
A: i have no idea how they make it....soy is protein yes....but lysine is but one of amino acid of the protein family...if it were extracted from soy it would probably take 100 pounds of soy just to make one 500 mg capsule ...when a vitamin reaches 500 mg ....1000 mg ...they start calling it pharmacy grade...meaning its a drug...it doesnt look organic to me ...more chemical like...i choose lysine because its only but one of the engrediants that mimick HGH human growth hormone...dont take more than 3000 mg of enything within an 8 hr. perioddont take more than 80 mg of ginkgo per day....always test and use caution...observe all drug interactions

**Q: Where is this manufactured?**
A: now supplements are manufactured in Bloomingdale IL. USA  That is the only address on my bottle. It says for more info on products visit;www.nowfoods.com/0112.Hope that helps!   It is a good brand. :)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for cats with respiratory illness
*by C***L on June 4, 2015*

This is a great product for cats with feline herpes virus, an incurable and unpleasant respiratory illness that causes the cat to continually sneeze and suffer from sores in the mouth, discharge from both eyes and nose, and possibly tooth resorption as well. Although there is no cure for feline herpes and the infection is lifelong, l-lysine does a great job of eliminating the respiratory symptoms since it inhibits replication of the virus. This is well worth the expense of the supplement since feline herpes if untreated can lead to blindness. NOW foods l-lysine is the same strength as Viralys, which the vet prescribed for my ill cat. She did not test for the disease but told me to try Viralys and if it cleared up the symptoms (which it did) then the cat has herpes and needs to take l-lysine every day. She said that l-lysine is harmless to cats without herpes so there is no need to go to the expense of lab tests; just see whether or not the supplement helps reduce symptoms. I open a capsule and mix the powder into a small amount of baby food chicken and the cat eagerly licks it from the spoon. My cat is small and I have found that in the absence of stress, giving the medication once a day is adequate. "Stress, illness, fleas, poor diet, extreme temperatures or anything else which can negatively affect the immune system may cause the feline herpes virus symptoms to re-emerge," so if I notice a runny nose then I step up the dose to twice a day. If you are on a really tight budget you can purchase one-pound containers of l-lysine such as Vitacost L-Lysine Powder 435 mg which has 822 servings for under $10. Viralys costs twice as much (about $22) on Amazon for 100 grams, and it is also loose powder so dosing again is approximate. The Viralys container does not specify how many servings are included so it is hard to compare price with the NOW product. However, I like the convenience of the pre-measured capsules and presume that they stay fresher than a tub of powder does, particularly in a humid climate, plus I am hoping that quality control is higher for supplements marketed for people, so I purchase the NOW product. Here are the dosing directions from Viralys, which is 500mg of l-lysine hydrochloride per rounded scoop mixed into a "palatable" base: Use in cats and kittens as a nutritional supplement for conditions responsive to lysine. The suggested amount for cats over 6 months of age is one rounded scoop (500 mg) given orally twice daily. The suggested amount for kittens under 6 months of age is one-half scoop (250 mg) given orally twice daily. The powder may be sprinkled over dry food or mixed with a small amount of canned food. I am considering taking this supplement myself, since some research suggests that lysine might help prevent bone loss associated with osteoporosis by increasing calcium absorption, although scientific studies are lacking. From UMMC: Most people get enough lysine in their diet, although athletes, vegans who don't eat enough beans, and burn patients may need to take a supplement. For vegans, legumes (beans, peas, and lentils) are the best sources of lysine, although it is also found in nuts, soy products, spirulina, fenugreek seed and brewer's yeast. However, I presume that the marketing for this supplement targets athletes hoping to increase muscle mass rather than vegans or senior citizens, since I find it at the grocery store in the section with protein powders and supplements for athletes.

### ⭐⭐⭐⭐⭐ Great Supplement!
*by D***Y on March 20, 2020*

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.

### ⭐⭐⭐⭐⭐ Very Satisfied
*by R***Y on March 12, 2025*

Product is just as described. I have been taking Lysine for years. It has been effective at preventing fever blisters on my lips. I rarely get them anymore. I purchased this brand because it is made in USA.

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-27*