Douglas Laboratories

N-Acetyl-L-Cysteine 900 mg 90c

$54.50

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The Promise

Product identity and composition N-Acetyl-L-Cysteine — 900 mg vegetarian capsules

Single-ingredient NAC supplement, 90 vegetarian capsules per bottle; formulated and packaged by Douglas Laboratories.

Active ingredient & potency

Each vegetarian capsule contains 900 mg N‑Acetyl‑L‑Cysteine (NAC).

Capsule form

Hydroxypropyl methylcellulose vegetarian capsule.

Excipients and additives

Contains ascorbyl palmitate; no gluten or GMOs listed.

Package & quality handling

90 capsules per container; product packaged with a safety seal.

Why It Works

Why this formulation matters Concentration, form, and known physiological role

Concrete formulation details and the established biochemical role of NAC.

01

Therapeutic-level dose

900 mg NAC per capsule provides a high single-capsule amount for flexible dosing.

02

Known biochemical role

NAC supplies cysteine moieties used to support glutathione levels, an antioxidant molecule in the body.*

03

Vegetarian delivery

Hydroxypropyl methylcellulose capsules avoid animal-derived gelatin.

04

Minimal excipient profile

Only ascorbyl palmitate listed as an additional ingredient; no gluten or GMO ingredients declared.

Reviews

Customer Reviews

Your Journey

How to use & handle Directions, storage, and precautions from the label

Follow labeled directions and consult a health professional when instructed.

Serving

Suggested use

Adults take 1 capsule, 1–2 times daily between meals, or as directed by your health professional.

Format

Capsule details

One vegetarian capsule per serving; 90 servings per container.

Storage

Keep product stable

Store in a cool, dry place away from direct light; use only if safety seal is intact.

Warnings & precautions

When to consult a professional

If pregnant, nursing, have any health condition, or are taking any medication, consult your health professional before using; keep out of reach of children.

Product education

N-Acetyl-L-Cysteine 900 mg by Douglas Laboratories

N-Acetyl-L-Cysteine 900 mg is a powerful cellular antioxidant that supports healthy lung tissue and promotes overall respiratory function. This supplement acts as a free radical scavenger, helping to maintain optimal glutathione levels in the body. Ideal for adults seeking to enhance their immune system and detoxification processes, NAC is a versatile addition to your wellness routine.*

Key Benefits

  • Support for respiratory function and health‡*
  • Antioxidant immune system support‡*
  • Detoxification support‡*

How It Works / Key Ingredients

N-Acetyl-L-Cysteine (NAC) is known for its role in boosting glutathione levels, a critical antioxidant in the body that helps protect cells from oxidative stress.*

Supplement record

Review serving details and ingredients for this product.

Supplement Facts
Suggested Use: As a dietary supplement, adults take 1 capsule, 1-2 times daily between meals, or as directed by your health professional.
Serving Size: 1 Vegetarian Capsule
Servings Per Container: 90
INGREDIENTSAMT%DV
N-Acetyl-L-Cysteine900 mg—
†/- Daily Value not established.
Other Ingredients: Hydroxypropyl methylcellulose (capsule), ascorbyl palmitate
Does Not Contain: Gluten, GMOs
Warning: If you are pregnant, nursing, have any health condition, or taking any medication, consult your health professional before using this product. Keep out of reach of children.
Caution: Store in a cool, dry place, away from direct light. Use only if the safety seal is intact.