N-Acetyl Cysteine (NAC) 600mg
NOW Foods
Antioxidant amino acid. Supports glutathione production and respiratory health.
Serving Size
1 capsule
Per Serving
600 mg NAC
What's on the Label
N-Acetyl Cysteine (NAC)
600 mg per capsule
active
Synthesized (Ritual context; NOW feedstock undisclosed)
The active ingredient. NAC is cysteine with an acetyl group attached. Supports glutathione (body's master antioxidant). Used for respiratory health and liver support.
Cellulose (capsule and filler)
other
Plant fiber
Capsule shell and bulking agent.
Plant stearic acid
other
Vegetable fatty acid
Manufacturing lubricant.
Citric acid
other
Unknown — production route undisclosed
Acidity regulator. Could be from fermentation or synthesis.
How It's Made
Primary Form
N-acetylcysteine
Source & Processing
Ritual calls NAC synthesized. NOW cysteine feedstock not disclosed. Reddit unverified claim about feather-derived cysteine is a research lead only—does not verify NOW or other brands. Do not treat unverified feather claims as confirmed brand source.
Other Ingredients
Additional ingredients were not on the stored label.
What They Don't Tell You(Beyond the label)
- Reddit feather-source allegation is unverified—research lead only
- Ritual confirms synthesis; NOW cysteine source undisclosed
- NAC supports glutathione production (can't supplement glutathione directly well)
- Source of cysteine and acetylation process need brand confirmation
How to Use
Typical Dose
600 mg NAC
Per 1 capsule
General Guidance
• When: Follow label directions or consult research for optimal timing
• Consistency: Regular daily use typically yields best results
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