Home » Life Extension N-Acetyl-L-Cysteine Vegetarian Capsules
Life Extension N-Acetyl-L-Cysteine Vegetarian Capsules

Life Extension N-Acetyl-L-Cysteine Vegetarian Capsules

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Main Benefits:


Here are a few main benefits of Life Extension N-Acetyl-L-Cysteine Vegetarian Capsules.

  • Supports immune system health
  • Encourages liver health and function
  • Promotes bronchial and respiratory health
  • Provides potent antioxidant support
  • Promotes healthy cellular glutathione levels; Non-GMO

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Last update on 2020-09-22 / Affiliate links / Images from Amazon Product Advertising API


More Info:


Here are some more information on Life Extension N-Acetyl-L-Cysteine Vegetarian Capsules.
Size:60 CountN-acetyl-L-cysteine is an easily-absorbed nutrient with potent benefits for whole body health. N-acetyl-L-cysteine is a highly bioavailable nutrient that supports bronchial and respiratory health. N-acetyl-L-cysteine supports healthy glutathione levels at the cellular level. Glutathione is a potent antioxidant which helps protect neurons from oxidative stress and insults from foreign compounds. N-acetyl-L-cysteine also offers powerful support for liver and immune function.

Frequently Asked Questions:


Here are a few frequently asked questions and answers on Life Extension N-Acetyl-L-Cysteine Vegetarian Capsules.

Question Question 1

Is This Product Labeled Usp?

The Vitamins are not USP certified. Life Extension is certified by the National Sanitation Foundation (NSF). However, due to various reasons such as our already strict quality and testing guidelines, we do not participate in USP s voluntary certification program. Life Extension products undergo rigorous testing at mult The Vitamins are not USP certified. Life Extension is certified by the National Sanitation Foundation (NSF). However, due to various reasons such as our already strict quality and testing guidelines, we do not participate in USP s voluntary certification program. Life Extension products undergo rigorous testing at multiple stages of the manufacturing process to determine compliance with strict acceptance criteria outlined in our product specifications. Only products that meet this strict set of standards may be released by our Quality Control personnel to be purchased by customers. Further more, Life Extension products are manufactured in the United States at cGMP (current Good Manufacturing Practices) compliant manufacturing facilities. We ensure GMP compliance through paid NSF audits. Therefore, our warehouses are GMP certified by NSF. Every single batch of our final products is tested to ensure their quality, purity, and potency. If you have any additional question please call our Wellness Specialists toll-free at 1-800-226-2370. You can reach them from 8 a.m. to 1 a.m. weekdays and 9 a.m. to 1 a.m. weekends ET.

Question Question 2

Is This The Same As L-Cysteine Hcl?We Are Bit Lost In The Chemistry Part.Thanks For Any Scientific Help.?

No, L-Cysteine HCL is different from N-Acetyl-L-Cysteine.Please feel free to contact our Wellness Specialist toll-free at 1-800-226-2370 for additional details. You can reach them from 8 a.m. to 1 a.m. weekdays and 9 a.m. to 1 a.m. weekends ET.

Question Question 3

We Know The Capsule Is Vegetarian, But How About The Source Of Nac? Is This Vegetarian Too Or Is This Made From Duck Feathers Or Human Hair?

Duck Feathers: we called the life extension number 1-866-280-2852 and was told by a representative that though the capsules are vegetarian the source is duck feathers.

Question Question 4

This Is Our 2Nd Order. How Come We Got 2 Different Bottles?

They changed the color of the bottle. Same ingredients.

Question Question 5

Does This Nac Have A Sulfur Smell (Rotten Eggs) In The Bottle?

It has an odor, but we wouldn’t describe it as rotten eggs.Not a problem in our case.

Question Question 6

Has Anyone Used The Wellness Specialist Service That S Included? What Is It Exactly?

Yes, we have used it before.Its a service that you can use during a set number of hours daily. Call their toll free number and ask to speak to a Wellness Specialist. They can help answer many of your questions about their products.

Question Question 7

What Is The Difference Between This Nac Supplement And The Nad+ Supplement Also Sold By Life Extension?

NAC: Acetylcysteine, also known as N-acetylcysteine (NAC), is a medication that is used for the treatment of paracetamol (acetaminophen) overdose and to loosen thick mucus in individuals with cystic fibrosis or chronic obstructive pulmonary disease. It can be taken intravenously, by mouth, or inhaled as a mist.Promot NAC: Acetylcysteine, also known as N-acetylcysteine (NAC), is a medication that is used for the treatment of paracetamol (acetaminophen) overdose and to loosen thick mucus in individuals with cystic fibrosis or chronic obstructive pulmonary disease. It can be taken intravenously, by mouth, or inhaled as a mist.Promotes healthy cellular glutathione levelsProvides potent antioxidant supportSupports immune system healthEncourages liver health and functionPromotes bronchial and respiratory healthNAD+: The coenzyme NAD+ is not itself currently used as a treatment for any disease.Promotes systemic youthful functionsSupports healthy cellular metabolismRegulates genes that control agingSupports energy levels and physical performancePreserves cognitive function during agingPromotes insulin activity(Wikipedia; Life Extension)

Question Question 8

Is This Vegan??

we don’t know. It says on the bottle Vegetarian Capsules.

Question Question 9

What Size Is The Capsule?

The 600 mg capsule is about 3/4 in length.

Question Question 10

Is This A Vegan Product?

Hi John, we no longer take this and we are not sure.we bet if you look on product details on the page on it may explore your question there.Good luck, hope for your sake it is a vegan product. ??

Question Question 11

Does This Supplement Contain Other Ingredients Besides Nac?

According to our bottle it is 600 mg of NAC only. Non-active ingredients are vegetable cellulose, vegetable stearate and silica.

Question Question 12

What’S It Made From? A Lot Of People Said This Has Sulfur In It And We Are Sensitive To Sulfur So We Want To Know If This Has Sulfur In It?

The answer is on the website. Scroll thru the pictures to back off bottle.Ingredients are N-acetyl-L-cysteine, vegetable stearate, silica, and the capsule is made with vegetable cellulose. No sulfur listed. we started using this 3 yrs ago to lower liver enzymes that skyrocketed due to a chronic illness. Worked The answer is on the website. Scroll thru the pictures to back off bottle.Ingredients are N-acetyl-L-cysteine, vegetable stearate, silica, and the capsule is made with vegetable cellulose. No sulfur listed. we started using this 3 yrs ago to lower liver enzymes that skyrocketed due to a chronic illness. Worked perfectly and will use the rest of our life.

Question Question 13

Does This Product Carry A Proposition 65 California Warning For Leadlike The X-Shield Product Currently Has?

Looking at our most newest version of the label, there is no Prop 65 California warning on the label. It is vitally important to know that the warning, if any, is only displayed on products that are sold out of California, or shipped into California. You can understand why.

Question Question 14

What Is The Source Of The Nac In Your Capsules. Is It From Vegetables?

we called the life extension number 1-866-280-2852 and was told by a representative that though the capsules are vegetarian the source is duck feathers.

Question Question 15

Are These Gluten And Dairy Free?

Source website states Non-GMO / Vegetarianhttps://www.lifeextension.com/vitamins-supplements/item01534/n-acetyl-l-cysteine

Question Question 16

What Country Is The Original Source Of The Ingredients? Thank You?

we assume in FL where the company has been based for over 40 years

Question Question 17

Does Any Ingredient In This Product Come From China?

It’s not listed. But if you ask any company, most will admit that ingredients have points of origin in other countries. They do purity and quality testing on their products. They will often provide the report if you ask for it.

Question Question 18

What Is This Nac Derived From?

Based on our research, NAC (N-acetyl – L-cysteine is a biodegradable nutrient easily absorbed in body from amino acid cysteine which helps detoxify foreign compounds as well as assist with immune system. Hope this helps.

Question Question 19

Vegetable Stearate = Magnesium Stearate (Vegetable Source)?

Those words are NOT on the bottle so we don’t know the answer.

Question Question 20

What Are The Storage Instructions? Temperature Range, For Example, And Shelf Life?

ProHealth’s current inventory expiration dates are now 06/2017.Vegetarian VegetarianSupplement FactsServing Size: 1 vegetarian capsule ProHealth’s current inventory expiration dates are now 06/2017.Vegetarian VegetarianSupplement FactsServing Size: 1 vegetarian capsuleServings Per Container: 60Amount Per Serving %DVN-acetyl-L-cysteine 600 mg **** Daily value (DV) not establishedDo not purchase if outer seal is broken or damaged.Product & Usage Information:Suggested Use: Take one capsule one to three times daily with or without food, or as recommended by a healthcare practitioner.Storage: Store in a cool, dry place. Keep out of reach of children.Other Ingredients: vegetable cellulose (capsule), vegetable stearate, silica.Contraindications: Those who supplement with NAC should drink 6 to 8 glasses of water daily in order to prevent cysteine renal stones. Cysteine renal stones are rare but do occur. When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating. DO NOT EXCEED RECOMMENDED DOSE.


Our Insights:


See our insights (based on our own experience after purchasing and using the product, or based on some research work) on Life Extension N-Acetyl-L-Cysteine Vegetarian Capsules, these might be useful for better understanding.

If you have asthma, copd, chronic bronchitis or as soon as you feel like you cold is going to your chest, take it. Have chronic allergy problems that always wind up in our chest. Started taking 2 per day for a couple of weeks to aid with breathing. Haven’t been able to blow up a balloon or pool float for yrs. W/o feeling dizzy. Was amazed this past summer as we were able to blow up multiple pool floats at a time. It was the only product we were taking so we know it was n-acetyl cysteine that helped. We have experimented a couple of times with this product to see how long the results last and to make sure it was the product that helped. Each time we took it, we had positive results. Highly recommend for anyone who has breathing problems. Safe, inexpensive and it works.

We bought this product as it was recommended for women with lipedema, (should be used in conjunction with lymph stim). Four days in and we have dropped one pant size and we are not even wearing our compression pants. Fywe we have been taking lymph stim for about three months before we added nac so that may be why we saw quick results. We are also taking berberine which was recommended for lipedema. We were skeptical to say the least and cannot believe it is working so well.

We have asthma and every time we get a cold a not very productive cough hangs on for a very long time. Eventually in a head fog we remember to take some n-acetyl l-cycteine and wow it all breaks up in a couple of days and is on it’s way to the next poor soul who caught this thing. Life extension is one of the finest labs in the country and while we can’t really afford to be a member anymore, we were a member for almost 20 years and we love their products. Nice that we can now get them on .

This should be in everyones cabinet. Love this stuff. Very good for those ocd moments and shuts down the worry machine. Really. Very good for those with dementia. No side effects that we have witnessed either.

We began taking this supplement for assistance with improving our egg quality and improving our chances of conceiving and carrying a healthy viable pregnancy to term, and although we have not been taking this supplement long enough to know if this part will work, we do know that within a week of beginning the supplement our day time energy level and mood have improved a great deal. Our mental clarity and even our allergies are much improved. These improvements were a bit suttle at first but definitely recognized now. After about a week, our gut flora was improved as well, we went from a consist loose wet poo, to a solid and not as smelly poo, no dietary changes either, just adding this supplement. We take 1 600 mg capsule 2x a day, morning and the 12 hours later. We would definitely recommend it to others. It will help you in multiple ways get your insides on track.

Take this every day. Helps us to breathe a lot better. Definitely recommend it to those who have lung problems.

So far this supplement has worked wonders for us. We doubt it was supposed to do this, but our intestinal tract is doing fantastic since starting nac. A physician’s assistant (pa) suggested we take this for our blood sugar issues (at least we think that’s what she told me), but it gave us some pretty substantive results in other areas. We tend to have a sensitive stomach and intestinal tract and this seems to have helped us out quite a bit, at least for now. We are hoping it’s not a fluke, but we will check back if it changes. Very happy so far.

We like how it does not upset stomach taking 3x day. Feel much improvement in our breathing capacity. Great.

It helped us clear our lungs.

Nac was recommended for our son who has reactive airway disease. Every year in october/november he would get so sick. He always ended up needing steroids and breathing treatments. Since starting this about a year and a half ago he hasn’t needed either of these things. We would also like to add we put him on vitamin d, probiotics, and fish oil. As his mom we are just so relieved that so far the combination along with chiropractor care has relieved him of his symptoms and having to be medicated for them. This product came quickly and was just what we wanted. Thanks.

We can not explain why we are feeling better. We have had problems with depression for decades. So, it must be the suppliments we are taking. For about three weeks we have been taking daily 1200 nac, 20 to 40mg pqq and 200 selenium. We have also “reduced” one our 2 anti-depressants by 75%. We planned to stop this one but the withdrawals were difficult. We have lost 10 pounds in 2 months because the antidepressant we reduced causes big weight gains. Lets hope it lasts.

Sulfur is so important for our health and these do the trick. Just use air-freshener after you do a #2. Lol.

We are taking this for a fertility supplement. We came down with a sinus infection and it kept us from getting clogged up . It also keeps the mucus in our chest flowing , that we did not know we had till we started taking this . We give to hubby and it allows him to cut down on his inhaler use . We cannot swallow pills , but this one goes down fine bc it is small enough.

Great for liver health and detox.

This will cut flu duration in half and prevents flu if taken early enough.

If we take this before we go out drinking (not like irish wake drinking – just a regular night), we generally won’t get a hangover. This, combined with a vitamin b complex will help you metabolize alcohol and save your liver.

Always take one before we have a night of drinking. Saves us from a hangover the next day.

We need this product to assist with epstiin-barr flair after surgery. We can notice the difference.

These are working well and we are using them to help our husband s thought processing.

All life extension products are top grade. We take a few different types all from life extension. We reorder and recommend the ones we take. We even had a pharmacist check to make sure what we are taking was working and not zeroing each other out.

Last update on 2020-09-22 / Affiliate links / Images from Amazon Product Advertising API

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