600 mg 120 Veg Capsules
SISU NAC  can help relieve symptoms of chronic bronchitis. Take it to help reduce symptoms of respiratory infection and support the immune system for those over 65 or suffering from chronic degenerative diseases.

  • High-potency NAC
  • Boosts the immune system and reduces symptoms of colds and flu
  • Reduces incidence of chronic bronchitis
  • Protects against second-hand cigarette smoke
  • Helps replenish glutathione
  • NAC boosts the immune system
  • The natural sulfur content of NAC is what gives the product its distinctive odour

SISU Advantages:

  • Easy-to-swallow, vegetarian capsules
  • Therapeutic dose of just two capsules per day
  • Contains no ingredients that are a source of gluten
  • Good Manufacturing Practices standards
  • Tested for guaranteed purity and potency
  • NPN approved


  • Medicinal: (per capsules) N-acetyl-L-cysteine (NAC)...600 mg
  • Non-medicinal: magnesium stearate (vegetable), silicon dioxide.
  • Capsule Shell: hypromellose
Dosage: (Adult) Take 2 capsules daily or as directed by a health care practitioner.

We are only able to ship this item to Canadian customers.
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Marg: a few months ago

Great for my chronic cough! So impressed by it!!

Kal: about a year ago

Changed my life.

Gloria: more than a year ago

I've had chronic asthma & bronchitis most of my life. I've been taking SISU NAC 600 for several months only, and I have already eliminated a deep morning cough, and my lungs feel clearer. Upon developing a cold, I would often end up with bronchitis or worse; since taking this, that has not happened. It seems to nip congestion in the bud. I will continue taking this product. It works for me!

Nelli: more than a year ago

NAC is a must have in strengthening the lungs. It helps to fight off the diseases during winter days. Would love to have this in my storage for my family.

Marion: more than a year ago

I started taking SISU NAC 2 weeks ago and already notice a difference. I can do a small hill with my dog & I don't have to lay down in the grass. Amazing!! It will only get better, I'm very optomistic!!! Love this product!!

Barb: more than a year ago

My Naturopath recommended this product as an anti-inflammatory, anti-oxidant that also prevents miscarriage. This product is not only Canadian made but also much cheaper than my previous brand without loosing the quality. This brand, after much research, does not have many unnecessary additives which is important to me and my health.

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