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Jarrow Formulas N-A-G
Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
N-Acetyl-D-Glucosamine
700 mg

The product is found useful for the following medical conditions

Arthritis details

SCIENTIFIC SCORE
Possibly Effective
Based on 13 Researches
7.3
USERS' SCORE
Good
Based on 25 Reviews
8.7
9.5
N-Acetyl Glucosamine reduces arthritis
Collagen-induced arthritis: severity and immune response attenuation using multivalent N-acetyl glucosamine.
Most Relevant Research
We aimed to understand how N-acetyl glucosamine (GlcNAc), a compound known for its anti-inflammatory properties, affects the development and severity of collagen-induced arthritis (CIA). Our investigation involved applying a special multivalent GlcNAc-terminated glycoconjugate and assessing its influence through various methodologies.

The results were promising. We observed that GlcNAc treatment significantly reduced inflammation at the site of arthritis, notably decreasing the presence of immune cells that contribute to the disease. Furthermore, it appeared to hinder the activation of other immune cells, which are often involved in the production of harmful pro-inflammatory molecules.

Additionally, GlcNAc treatment not only delayed the onset of arthritis symptoms but also eased the severity of these symptoms in many cases. We found that about 18% to 31% of participants treated with GlcNAc completely avoided any arthritis symptoms. Overall, our findings support a new approach to managing arthritis by focusing on the glycobiological aspects of treatment, presenting GlcNAc as a potential therapeutic option for those suffering from this debilitating condition.
9.5
Pain relief
Most Useful Review
I discovered this supplement by chance on the iHerb website. I suffer from various food allergies, digestive issues, and arthritis. After a difficult weekend with an upset stomach and aching arthritis, I began taking this supplement. My stomach felt soothed immediately, and my arthritis pain vanished. I can hardly believe the improvement in my arthritis and digestion. I have no plans to stop taking this supplement.

Back Pain details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 20 Reviews
8.7
9
Joint improvement
Most Useful Review
I have ulcerative colitis and began using this product following some promising studies. My joint pain significantly reduced within a week, allowing me to exercise again. My joints are now functioning at 99%, and I can engage in high-impact workouts without discomfort. My bowel symptoms improved as well, making this product invaluable for my overall health.

Bone Pain details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 44 Reviews
8.7
10
Pain relief achieved
Most Useful Review
Pain gone. Since using N-A-G from Jarrow Formulas, the nagging joint and coccyx pain that I experienced for years has virtually vanished.

Cardiovascular Disease details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 5 Reviews
8.7
9.5
Joint pain relief
Most Useful Review
I have been taking NAG by Jarrow for many years, initially recommended by my gastroenterologist. It aids my gut due to ulcerative colitis and also benefits my inflamed joints. Highly recommended.

Headache details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.7
10
Headache improvement
Most Useful Review
Excellent! I'm eating for a headache.

Irritable Bowel Syndrome details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 15 Reviews
8.7
9.5
Helpful relief
Most Useful Review
A life saver for my irritable bowel syndrome. Taking this on an empty stomach each morning works wonders and lubricates the bowel.

Multiple Sclerosis details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 7 Reviews
8.7
8.8
Calmness experienced
Most Useful Review
I drink with multiple sclerosis and have observed its effects on myself. My head has calmed down, and I believe N-acetylglucosamine (NAG) supports the body in restoring myelin membranes—assuming the body has enough building materials. I take LECITHIN alongside NAG and vitamin B6, which aids in myelin construction. If this review was helpful, please let me know. 👍🏼

Sleep Apnea details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.7
9.5
Improved sleep quality
Most Useful Review
Wonderful! Excellent quality, I recommend this product. I drink it every day, and I have started to enjoy significantly better sleep. I wake up cheerful, often a few minutes before my alarm goes off.

Allergies details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 5 Reviews
8.6
8.8
Reduced inflammation noted
Most Useful Review
This supplement works well for my allergies and digestive inflammation. With just one capsule twice a day, inflammation has decreased by 75%. I'm cautious due to my shellfish allergy but have had no adverse reactions.

Anxiety details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8.6
9.5
Relaxing for anxiety
Most Useful Review
This product is incredibly relaxing and can make one feel somewhat drowsy, so it’s perfect to take before bedtime. I take it twice daily to help manage my high anxiety.

Autoimmune Disorder details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 6 Reviews
8.6
9.5
Good skin condition
Most Useful Review
I have been suffering from autoimmune diseases related to leaky gut, and I continued this supplement, which protects the gastrointestinal mucosa and positively affects the skin. After taking this supplement, my intestines are in good shape, and my skin is clear. I’m happy to recommend it to anyone hesitating to make a purchase.

Bloating details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 5 Reviews
8.6
8.8
Life-changing remedy
Most Useful Review
I was diagnosed with Crohn's Disease, which causes extreme pain and bloating. After trying many remedies, Jarrow's NAG and Swanson's Zinc Carnosine have been life-changing. They keep my intestinal discomfort in check, enabling me to function without pharmaceuticals. If I skip it, the pain returns. I plan to take it long-term.

Heartburn details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.6
9.5
Eliminated heartburn
Most Useful Review
This is excellent for the health of the digestive tract; I no longer experience heartburn after taking it. I consume one capsule twice daily on an empty stomach.

Liver Disease details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8.6
9.5
Improved liver function
Most Useful Review
Absolutely fantastic! I periodically purchase NAG for use in complex joint therapy, based on my doctor's recommendation. This is an excellent form of NAG for optimal absorption. Products containing NAG consistently work and assist; I've personally verified this multiple times. Each time, I've noticed improvements with my liver (having had my gallbladder removed), meaning that NAG positively affects my overloaded liver.

Whooping Cough details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.6
9.5
Relieves whooping cough
Most Useful Review
After recovering from Covid, my cough reduced significantly; it helped a great deal with whooping cough.

Colitis details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.6
10
Miraculous results
Most Useful Review
Amazing results for ulcerative colitis and gut issues! After ten years of mild ulcerative colitis and various medications, I felt something was missing. After a six-month flare, I started this and within a week, I was back to normal! I'm thrilled to have discovered this, which complements my routine and lasts me four months!

Ulcer details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.6
10
Remarkable ulcer relief
Most Useful Review
Amazing results for ulcerative colitis and gut issues! After 10 years of mild ulcerative colitis, I had been using probiotics like Visbiome, but it wasn't enough. I started taking this after a six-month flare and, within a week, felt 100% better! I’m so happy to find this product. Just one a day lasts me four months, and alongside taking zinc carnosine, it has been miraculous. I discovered this through another Amazon review and am extremely grateful!

Frozen Shoulder details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.5
8.8
Tissue regeneration support
Most Useful Review
I have shoulder pain from a car accident, so I take this as it helps regenerate tissues like joints and cartilage.

Leg Cramps details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.5
9.5
Remarkable effect
Most Useful Review
I began taking it on my acupuncturist’s recommendation due to heavy and dull legs. A few days later, I noticed the effects. The size is somewhat large, but one tablet daily is effective, making it hassle-free to use. I am pleased with the quality and the remarkable effect it has had.

Psoriasis details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.5
9.5
Huge changes
Most Useful Review
It works! It has had a positive effect on my psoriasis. After 60 capsules, I have noticed huge changes; I no longer have growing epidermis on my head, and the skin feels less tight in those areas. I also take a multivitamin with minerals alongside N-A-G.

Cold details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.5
9.5
Eases cold arthritis
Most Useful Review
Once I started with Glucosamine/Chondroitin, I learned that when I don’t take them during cold or rainy seasons, arthritis pain returns. I've used this brand for about two years, only taking two capsules daily. Until proven otherwise, I will continue as it helps me.

Urinary Tract Infection details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8.4
9.5
Joint and GI support
Most Useful Review
This supplement was recommended by a nutritionist for assisting with my child's recovery with ASD. After a month, the previously noticeable joint cracking has ceased, and it significantly supports the mucosal health of the gastrointestinal tract. Highly recommend it!
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