IZI1

‎4.5/5
128 reviews
Swanson Vitamins
USD 29.99
Updated: Nov 03, 2026

About this item

N-Acetyl Cysteine (NAC) is a stable form of the non-essential amino acid L-Cysteine. It is a sulfur-containing amino acid that acts as a stabilizer for the formation of protein structures and is also necessary for the formation of glutathione. Selenium is an essential trace mineral that facilitates the production of several important enzymes.

  • Features
    • Free radical protection
    • With selenium
    • Maintains cellular health

Specifications

Ingredient

Amount per serving / Daily value %

Selenium (elemental) (from 5 mg L-Selenomethionine

25 mcg / 45%

N-Acetyl Cysteine (NAC)

600 mg / †

Other Ingredients

Hypromellose (cellulose capsule), Stearic Acid (vegetable source), Citric Acid and Microcrystalline Cellulose.

Country of Origin

Made and quality tested in the USA with globally sourced ingredients.

Other Information

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens., This bottle is made from 100% PCR (post-consumer recycled) resin., Natural color variation may occur in this product when exposed to air. Speckling in capsule may occur but does not affect product quality.

Product photos are for illustrative purposes only and are exemplary. The colors, inscriptions, parameters, dimensions, sizes, functions, and/or any other features of the original products may look different than in reality due to their visual characteristics, so please refer to the product features that are indicated in the product descriptions.

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