Thorne Research

NAC ​​90 Caps Thorne

Price: 43,87€

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Boost your antioxidant protection from the inside out — care for your liver, lungs, and strengthen your immunity.

🛒 Add NAC to your cart and enjoy complete support for your body!

Suitable for:

✅ Those seeking greater antioxidant support (exposure to pollution, oxidative stress or a diet low in antioxidants).
✅ Individuals who want liver support for natural detoxification processes.
✅ People with mild respiratory discomfort or thick mucus (provided there is no medical contraindication).

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NAC 500mg for Cellular Detoxification and Antioxidant Defense –  Thorne NAC  

Thorne's N-Acetylcysteine provides 500 mg of N-acetyl-L-cysteine per capsule — the direct precursor to intracellular glutathione — which can support hepatic and renal detoxification pathways, respiratory well-being, and overall antioxidant balance. With a composition of just four ingredients (active + three excipients), gluten-free, lactose-free, and soy-free, and NSF Certified for Sport®, this supplement embodies Thorne's philosophy of quality and transparency.

Thorne's NAC is an amino acid supplement with 500 mg of N-acetyl-L-cysteine per capsule, designed for those who want to support glutathione production, liver detoxification, respiratory well-being, and immune balance. It can be beneficial for active adults, people with high environmental exposure, athletes, or anyone looking to consistently support the body's antioxidant defenses.

Thorne's NAC contains as its sole active ingredient N-Acetyl-L-Cysteine (NAC) (500 mg per capsule) — an acetylated derivative of the amino acid L-cysteine. Acetylation improves the stability and bioavailability of cysteine, making it more effective as a glutathione precursor compared to simple L-cysteine.

Glutathione is a tripeptide (glutamate + cysteine + glycine) naturally produced in all cells of the body, where it functions as the primary intracellular antioxidant, a cofactor for detoxification enzymes (glutathione S-transferases), and a regulator of cellular redox balance. Glutathione levels can decrease with age, exposure to environmental toxins, intense physical or emotional stress, and certain liver pathologies. NAC supplementation can be an effective way to replenish the substrate necessary for intracellular glutathione synthesis.

In addition to its role as a glutathione precursor, NAC also has mucolytic properties — it can act on disulfide bonds in mucus glycoproteins, reducing their viscosity and promoting their elimination from the airways. This characteristic makes it an amino acid of interest for those who want to support respiratory health.

The excipients — leucine, silicon dioxide, and hypromellose (vegetable capsule) — are commonly used in pharmaceutical quality formulations.

To keep in mind

  • Intended for adults; consult a healthcare professional if pregnant, breastfeeding, or taking regular medication (especially nitroglycerin, anticoagulants, or blood pressure medication) before starting.
  • NAC may have a characteristic sulfur smell — this is normal and inherent to the amino acid's composition.
  • At high doses, nausea or gastrointestinal discomfort may occur — start with lower doses and adjust gradually.

✅ Source of NAC, a precursor to glutathione – a key cellular antioxidant
✅ May support the liver's natural detoxification processes
✅ May support lung function and respiratory health
✅ High purity and fast-absorbing formula
✅ Gluten-free, lactose-free, soy-free, and no artificial preservatives
✅ Ideal for individuals exposed to oxidative stress, pollutants, or medications

Directions for Use: 1 Capsule daily or as directed

N-acetyl-L-cysteine, 500 mg / **

Ingredients: Hypromellose capsule, leucine, silicon dioxide

  • Não tem glúten
  • Sem soja
  • Sem lactose
  • Sem conservantes
  • Vegano
  • Vegetariano
  • Sem OGM
  • Não tem glúten
  • Sem soja
  • Sem lactose
  • Sem conservantes
  • Vegano
  • Vegetariano
  • Sem OGM
  • Não tem glúten
  • Sem soja
  • Sem lactose
  • Sem conservantes
  • Vegano
  • Vegetariano
  • Sem OGM

Suporte imunitário

Who might it make sense for?

It can make sense for those looking for a simple antioxidant support formula and who want a practical daily use.

What distinguishes this formula?

It contains N-acetylcysteine in a simple presentation, with 500 mg per capsule, 90 doses per package, and third-party testing.

Can athletes and people with intense training benefit from NAC?

Yes. Intense physical exercise can increase the production of free radicals and oxidative stress, potentially reducing glutathione levels. NAC can support antioxidant balance and cellular recovery in the context of intense training. The product is NSF Certified for Sport®, making it suitable for athletes.

* VRN (Valor de Referencia de Nutrientes)

** VRN no establecido.

Los complementos alimenticios no sustituyen una dieta variada y equilibrada ni un estilo de vida saludable. Si está embarazada o amamantando, comuníquese con su médico antes de tomar los suplementos. No se recomienda en casos de hipersensibilidad o alergia a alguno de los ingredientes de la formulación o cuando se describan interacciones de otro producto con alguno de los componentes de la formulación. Mantener fuera del alcance y de la vista de los niños. Conservar en un lugar fresco y seco, alejado de la luz.

No debe excederse la dosis diaria recomendada.

* VRN (Valor de Referencia de Nutrientes)

** VRN no establecido.

Los complementos alimenticios no sustituyen una dieta variada y equilibrada ni un estilo de vida saludable. Si está embarazada o amamantando, comuníquese con su médico antes de tomar los suplementos. No se recomienda en casos de hipersensibilidad o alergia a alguno de los ingredientes de la formulación o cuando se describan interacciones de otro producto con alguno de los componentes de la formulación. Mantener fuera del alcance y de la vista de los niños. Conservar en un lugar fresco y seco, alejado de la luz.

No debe excederse la dosis diaria recomendada.

Price: 43,87€
NAC ​​90 Caps Thorne
43,87€