Swanson NAC
vs
Life Extension Ageless Cell
Supplement Comparison

  • N-Acetyl-L-Cysteine (NAC): Swanson NAC has 33% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 8 nutrients compared
Bar chart: per-serving label amounts and listed forms for Swanson NAC vs Life Extension Ageless Cell.

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Frequently asked questions

Which active ingredients does Swanson NAC have?

  • N-Acetyl-L-Cysteine (NAC)

Which active ingredients does Life Extension Ageless Cell have?

  • Vitamin E appears as d-Alpha Tocopherol
  • Vitamin E appears as Gamma tocotrienol from natural tocotrienol/tocopherol complex
  • N-Acetyl-L-Cysteine (NAC)
  • Green Tea appears as Green tea decaffeinated extract (leaf) [std. to 45% EGCG]
  • Myricetin appears as Myricetin from Myrica cerifera extract (bark and leaf)

Which categories do Swanson NAC and Life Extension Ageless Cell belong to?

  • Amino Acid Formula
  • Antioxidant Complex

What health concerns do Swanson NAC and Life Extension Ageless Cell address?

  • Antioxidant Support
  • Liver & Detox Support
  • Cellular Health
  • Healthy Aging & Longevity

Which product has a higher amount of N-Acetyl-L-Cysteine (NAC) per serving?

  • Swanson NAC has the highest total amount of N-Acetyl-L-Cysteine (NAC): 600 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Swanson NAC: 1 capsule
    • Life Extension Ageless Cell: 1 softgel
  • Vitamin E
    • This supplement has 38.4 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg

Last updated: February 4, 2026

  • Sources & Methodology: Nutrient data and forms are taken directly from Supplement Facts labels. Reviewed and standardized by the VIOscan Research Team. Learn more on the Methodology page.
  • We show the Recommended Dietary Allowance (RDA) when available. If no RDA exists, we show the Adequate Intake (AI). Tolerable Upper Intake Levels (UL) are used for upper limits. Unless otherwise noted, RDAs shown correspond to healthy adults aged 19–50 years and are sex-specific. Separate values exist for 51–70 years and >70 years, and pregnancy and lactation are excluded. All values come from the Dietary Reference Intakes (DRIs) published by the National Academies of Sciences, Engineering, and Medicine (NASEM), Food and Nutrition Board (FNB).
  • Transparency: We’re funded by our users. We don’t have sponsors or affiliate links, and we don’t sell supplements.
  • Editorial standards: we provide independent, impartial and objective data analysis.
  • This analysis is for educational purposes only. It is not a substitute for medical advice.
  • Questions? Read our Frequently Asked Questions or contact us, we’re here to help.
  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team