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NAC (N-acetyl-L-cysteine) 300mg

Essential Series

Remarkable aspects:

No Preservatives

No Preservatives

Egg Free

Egg Free

GMO Free

GMO Free

Gluten Free

Gluten Free

Lactose Free

Lactose Free

Suitable for Vegans

Suitable for Vegans

Dairy Free

Dairy Free

Suitable for Vegetarians

Suitable for Vegetarians

Soy Free

Soy Free

Fish Free

Fish Free

No artificial food colour

No artificial food colour

Nut Free

Nut Free

Product information

  •  300 mg of NAC per serving.
  •  In vegan-friendly vegetable capsules.
  •  With Selenium and Vitamin E.
  •  Just 1 capsule per daily dose.
  •  Lasts 4 months!

How to take

Best time to take

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Full description
Table of contents
  •  300mg of NAC per serving.
  •  In vegetable capsules suitable for vegans.
  •  With Selenium and Vitamin E.
  •  1 capsule per daily dose.
  •  Lasts 4 months!

Fplus 1 NAC

What is NAC (N-Acetyl L-Cysteine) 300mg?

NAC (N-Acetyl L-Cisteine) 300mg by EssentialSeries a food supplement based on N-Acetyl-L-Cysteine, the acetylated version of the amino acid L-cysteine, with Selenium, Vitamin E and Riboflavin (Vitamin B2).

NAC (N-Acetyl L-Cysteine) 300mg is a food supplement suitable for vegans.

Nac by HSN properties

This HSN formula has been supplemented with Selenium and Vitamin E, two essential nutrients:

Selenium

  •  Selenium contributes to the normal functioning of the immune system.

Vitamin E

  •  Vitamin E contributes to the protection of cells against oxidative damage.

Fplus 2 NAC

Why buy N-Acetyl L-Cysteine at HSN?

Adjusted dose

Each capsule of NAC contains 300mg of compound, a dose selected by our R&D technicians to make it easier to dose the food supplement.

Veggie capsules

The food supplement NAC (N-Acetyl-L-Cysteine) is 100% suitable for vegetarians and vegans.

It contains no ingredients of animal origin in its composition, neither in the development of the capsule contents, nor in the ingredients used as a glazing agent.

High quality forms

Which can be found, for example, in Selenium.

Where we use L-Selenomethionine, an organic form of selenium.

Our NAC has natural vitamin E

Fplus 3 NAC

Self production

In HSN we manufacture our own food supplements in a factory that guarantees an internalised closed-chain process where we can ensure complete and continuous traceability of the raw materials used and the development of the product.

This makes it possible to reduce production costs while maintaining and even improving the quality of the product, thanks to the elimination of all the intermediaries that make the final PvP more expensive.

In HSN you will find the highest quality products on the market at the best price. Trust the best!

How to combine NAC (N-Acetyl L-Cysteine) 300mg?

Combine NAC (N-Acetyl-Cysteina) 300mg by EssentialSeries with Milk thistle extract or with Vitamin C 1000mg + Bioflavonoids + Rose Hip.

Product analysis

Analysis from certified external laboratories

In this section you’ll be able to view and download the analysis of the product that has been made by independent and certified laboratories, offering you the most accurate and detailed information of each.

Questions from other clients (8)

The questions are asked by users and the answers are prepared by the HSN team for informational purposes. The information provided does not replace the advice or care of a healthcare professional. References to food supplements have not been evaluated by the EFSA (European Food Safety Authority) and are not intended to diagnose, treat, cure, or prevent any disease. HSN reserves the right to review or update the answers when necessary.

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What our customers say about the product

A satisfied customer says:

The perfect ally

Alex | 27/03/2026

I bought HSN's NAC on the recommendation of my nutritionist to improve liver detoxification and strengthen the immune system, and the experience has been impeccable. What I value most is that it comes in 300mg vegetable capsules, a very versatile dose that allows you to adjust your daily intake as needed.

Compré el NAC de HSN siguiendo la recomendación de mi nutricionista para mejorar la detoxificación hepática y reforzar el sistema inmune, y la experiencia ha sido impecable. Lo que más valoro es que viene en cápsulas vegetales de 300mg, una dosis muy versátil que permite ajustar la toma diaria según necesites.
Has the review helped you?

A critical customer says:

I have not noticed any effect

María jesús | 28/10/2025

I have just finished the bottle and have not noticed any effect. Hopefully its antioxidant power as a glutathione precursor is beneficial to the body. I will continue to take it, but in powder form.

Acabo de terminarme el bote y no he notado ningún efecto. Esperemos que su poder antioxidante como precursor del glutation sea beneficioso para el organismo. Seguiré tomándolo, pero en formato polvo.
Has the review helped you?

Score of 4.8 / 5.00 of 661 real reviews

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The product reviews and opinions published reflect only the customers’ views and experiences. HSN does not verify or endorse such comments or claims, and is not responsible for the content provided in the reviews. Statements regarding food supplements have not been evaluated by the EFSA (European Food Safety Authority) and are not intended to diagnose, treat, cure, or prevent any disease or medical condition.

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JNK |

Verified purchase

NAC (N-acetyl-L-cysteine) 300mg

Item as described

No discrepancy between the actual product and the product description. I will order more often.

Keine Abweichung zwischen tatsächlichem Produkt und der Artikelbeschreibung. Werde ich öfter ordern
Has the review helped you?
General satisfaction (5.0 / 5)
Packaging (5.0 / 5)
Value/Price (5.0 / 5)
Results (5.0 / 5)

Jorge |

Verified purchase

NAC (N-acetyl-L-cysteine) 300mg

OK

Everything is just as described in the product listing; it arrived very quickly and works perfectly.

Todo correcto como indica el producto,llego muy rapido y cumple perfectamente con su funcion
Has the review helped you?
General satisfaction (5.0 / 5)
Packaging (5.0 / 5)
Value/Price (5.0 / 5)
Results (5.0 / 5)

Dani |

Verified purchase

NAC (N-acetyl-L-cysteine) 300mg

Good

You can't ask for more at this price; it's far superior to other brands that cost much more.

Não se pode pedir mais pelo preço, é muito superior a outras marcas com preços muito mais elevados.
Has the review helped you?
General satisfaction (5.0 / 5)
Packaging (5.0 / 5)
Value/Price (5.0 / 5)
Results (5.0 / 5)

Lisette |

Verified purchase

NAC (N-acetyl-L-cysteine) 300mg

excellent

Great value for the price; I've been taking it for a while now, and I highly recommend it. Each capsule contains 300 mg.

Muy buena relación calidad precio, llevo tiempo consumiendola y es muy recomendable. Son 300 mg por cápsula.
Has the review helped you?
General satisfaction (5.0 / 5)
Packaging (5.0 / 5)
Value/Price (5.0 / 5)
Results (5.0 / 5)

Fco |

Verified purchase

NAC (N-acetyl-L-cysteine) 300mg

Well

Good quality, good product—we'll definitely buy it again when I run out. It's a complete product.

Buena calidad buen producto repetiremos cuando se me acabe sin dudarlo es compleo completo
Has the review helped you?
General satisfaction (5.0 / 5)
Packaging (5.0 / 5)
Value/Price (5.0 / 5)
Results (5.0 / 5)
See all reviews
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