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The best NAC supplements in Australia

By Stacey Shapiro December 22, 2021

The best NAC supplements in Australia

N-Acetyl Cysteine, or NAC for short, has fast gained notoriety as a powerful supplement that has anti-inflammatory, antioxidant, and immune boosting properties with a wide array of benefits.

Research has shown that NAC may improve immune system function through its ability to fight off mucus and boost antioxidant levels in the body, plus it has been shown to help with mild anxiety and boost fertility in both men and women.

What are antioxidants and how do they help the body?

Before we dive into NAC’s immune system boosting benefits, it’s important to know how antioxidants work in the body. Antioxidants are essential for the survival of all living things as they protect our cells from free radical damage. If free radical levels are too high, they can cause serious damage and are linked to numerous diseases such as cancer, diabetes, and heart disease.

Dr Vincent, Australia's leading cellular and antioxidant researcher, explains: "The devastating effect of free radicals does not only affect one cell but it initiates a chain reaction that affects multiple cells at one time, much like a domino effect. Our body is excellent at fending off free radicals and keeping the negative effects of oxidation under control. However, environmental pollution, prevalence of fast and processed foods and fast-paced contemporary lifestyles are exposing us to the highest ever levels of free radicals."

How does NAC help your body?

NAC acts as a precursor for the body’s most important and potent antioxidant: glutathione which in turn supports the body when in oxidative stress. NAC is the supplement form of the semi-essential amino acid cysteine which is commonly found in high-protein foods such as chicken, eggs, and turkey. Amino acids are the building blocks of life and perform essential roles in the body such as protein synthesis, tissue repair and nutrient absorption.

What are some of the benefits of taking NAC?

  • Powerful antioxidant
  • Provides the building blocks for glutathione
  • May protect the lungs, gut, brain, liver, and kidneys
  • May defend against toxins and pollutants
  • May help prevent the flu
  • Biofilm disruptor
  • Potential to improve fertility
  • May help with many chronic health problems

Can NAC help improve your mood and boost fertility?

There has been clinical research into the use of NAC as a mood boosting support. There have been numerous studies that have found NAC has value in treating depression and helping alleviate some mood disorders. NAC works to regulate the production of glutamate which is an important neurotransmitter in the brain. When there is an overproduction of glutamate, it can cause anxiety and other mental health disorders. NAC also has the ability to assist with learning, memory, and cognitive function by regulating the levels of glutamate in the brain.

Women's Health Naturopath, Jade Williams, regularly uses NAC for her patients to improve their fertility. ""As a women's health naturopath, I have seen first hand NAC's efficacy for my patients' ailments. With its known actions in potent antioxidant and anti-inflammatory agents, I use it in estrogen dominance, endometriosis and fertility (egg and sperm quality)."

Where can I find NAC?

foods that boost glutathione

As we age, our glutathione levels decrease but you can help your body produce more by eating foods such as spinach, avocado and okra which are naturally high in glutathione. As Dr Vincent explains, "Fruit and veggies are amongst the best sources of dietary antioxidants, as well as legumes and nuts. Our diet should include a wide variety of colours because these colours are indications of a wide variety of antioxidants."

If you struggle to consume foods that are naturally high in antioxidants, taking a NAC supplement can help replenish your glutathione stores. 

Final Thoughts

Looking after your immune health should always be top of mind and an important part of your day-to-day functioning. Eating well, exercising, and looking after your overall health will always be the best way to support your immune system, but sometimes we may need help from supplements. Always consult your doctor before adding a new supplement to your daily stack and remember, prioritising food as a source of vital nutrients is an important part of healthy living.


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