Ultra NAC

4.0
Rated 4.0 out of 5 stars
2 Reviews

Ultra NAC

4.0
Rated 4.0 out of 5 stars
2 Reviews

Ultra NAC

4.0
Rated 4.0 out of 5 stars
2 Reviews
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Ultra NAC

Your Cellular Shield Against Spike Protein Damage and Toxic Stress  

Checkmark Promotes Healthy Liver & Immune Function 
Checkmark Enhance Resilience Against Spike-Protein Toxicity 
Checkmark Helps Combat Oxidative Stress & Toxin Buildup 

About Ultra Nac

This powerful, doctor-formulated supplement combines NAC with bioavailable minerals, Milk Thistle, and Liposomal Glutathione to accelerate detoxification and replenish your body’s master antioxidant – glutathione – for lasting cellular defense and resilience. 

  • Promotes rapid detoxification and antioxidant regeneration to combat oxidative stress and toxin buildup. 
  • Supports healthy liver and immune function through synergistic nutrient pathways. 
  • Aids mitochondrial protection and energy balance to defend against environmental and metabolic stressors. 
  • Enhances resilience against spike-related protein toxicity and long-term inflammatory damage. 
  • Works synergistically with Ultimate Spike Detox to manage long COVID and post-vaccine injury recovery. 

How To Take

As a dietary supplement, take one (1) or two (2) capsules twice daily, with 8–12 fl oz of water, or as directed by your physician. 


For enhanced detoxification, pair Ultra NAC with Ultimate Spike Detox as part of your daily McCullough Protocol regimen. 

Ingredients

Ingredients
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Protect Your Cells at the Source

A powerful NAC-based formula, designed by Dr. McCullough, that helps neutralize oxidative damage while supporting liver, immune, and mitochondrial health.

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Ultra Defense for Every Cell

Developed as the advanced companion to the Ultimate Spike Detox formula, Ultra NAC extends the McCullough Protocol to support recovery from long COVID and post-vaccine injury. Ultra NAC promotes spike protein denaturation, mitochondrial protection, and enhanced cellular restoration for long-term resilience.

Science-Backed Ingredients

NAC (N-Acetyl-L-Cysteine)

NAC (N-Acetyl-L-Cysteine)

Promotes cellular detox, spike protein denaturation, and mitochondrial protection.

Liposomal Glutathione

Liposomal Glutathione

Highly bioavailable form of the body’s master antioxidant that provides immediate free radical defense.

Milk Thistle

Milk Thistle

Supports liver detoxification, protects hepatocytes, and aids regeneration following oxidative damage. 

Quercetin Dihydrate

Quercetin Dihydrate

Antioxidant that stabilizes mast cells, supports immune modulation, and enhances the effects of NAC.

Zinc Bisglycinate Chelate

Zinc Bisglycinate Chelate

Cofactor for superoxide dismutase (SOD), supporting antioxidant enzyme systems and immune balance.


Selenium

Selenium

Essential for glutathione peroxidase activation, ensuring effective glutathione recycling and oxidative stress reduction.

Molybdenum

Molybdenum

Enzyme cofactor that helps reduce detox-related overload and ensures balanced sulfur cycling.

NAC (N-Acetyl-L-Cysteine)

NAC (N-Acetyl-L-Cysteine)

Promotes cellular detox, spike protein denaturation, and mitochondrial protection.

Liposomal Glutathione

Liposomal Glutathione

Highly bioavailable form of the body’s master antioxidant that provides immediate free radical defense.

Milk Thistle

Milk Thistle

Supports liver detoxification, protects hepatocytes, and aids regeneration following oxidative damage. 

Quercetin Dihydrate

Quercetin Dihydrate

Antioxidant that stabilizes mast cells, supports immune modulation, and enhances the effects of NAC.

Zinc Bisglycinate Chelate

Zinc Bisglycinate Chelate

Cofactor for superoxide dismutase (SOD), supporting antioxidant enzyme systems and immune balance.


Selenium

Selenium

Essential for glutathione peroxidase activation, ensuring effective glutathione recycling and oxidative stress reduction.

Molybdenum

Molybdenum

Enzyme cofactor that helps reduce detox-related overload and ensures balanced sulfur cycling.

FAQs

How does Ultra NAC work?  

Formulated by Dr. McCullough as an adjunct to his Base Spike Detoxification Protocol, Ultra NAC delivers both immediate antioxidant support and long-term glutathione optimization.
NAC (N-Acetyl Cysteine) supports the body’s natural glutathione production and is paired with Liposomal Glutathione for enhanced bioavailability.
Zinc, Selenium, and Molybdenum support key detox pathways, while Milk Thistle helps protect liver function.
Quercetin further supports immune cell stability, making Ultra NAC an essential companion to Ultimate Spike Detox and comprehensive detox support.*

Are there any studies available for Ultra NAC? 

How do I take Ultra NAC?

As a dietary supplement, take one or two capsules twice daily with water or as directed by a healthcare provider. This product is best taken on an empty stomach.   

How many servings per bottle?

There are 60 servings per bottle.

Is Ultra NAC allergen free? 

Ultra NAC is vegan and vegetarian friendly and Non-GMO. It is allergen free of milk, eggs, peanuts, tree nuts, fish, crustaceans, shellfish, wheat, soy, and sesame

What is the capsule size?

This product is capsule size 00, which is approximately 2.3cm in length  

What is the shelf life of this product?

The shelf life of this product is 24 months from the time of manufacture. You can find the Best By (BB) or Expiration (EXP) date printed on the bottom of the bottle along with the lot number. 

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Customer Reviews
4.0
Rated 4.0 out of 5 stars
Based on 2 reviews
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
50%would recommend this product
2 reviews
  • Rated 5 out of 5 stars
    2 weeks ago
    Excellent

    Works enjoy the detox

    RE
    Reymundo E.
    Verified Buyer
  • Rated 3 out of 5 stars
    1 month ago
    Quick shipment

    Haven’t noticed in measurable difference in taking this supplement. I think I need to take it longer that I have which has been less than 1 month.

    PW
    Patti W.
    Verified Buyer

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