Life Extension B12 Elite
vs
Swanson Super Stress B-Complex
Supplement Comparison

  • Vitamin B12 (Cobalamin): Life Extension B12 Elite has 8.0× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 22 nutrients compared
Bar chart: per-serving label amounts and listed forms for Life Extension B12 Elite vs Swanson Super Stress B-Complex.

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Frequently asked questions

Which active ingredients does Life Extension B12 Elite have?

  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Vitamin B12 (Cobalamin) appears as Adenosylcobalamin

Which active ingredients does Swanson Super Stress B-Complex have?

  • Vitamin C appears as Ascorbic Acid
  • Vitamin B1 (Thiamin) appears as Thiamin HCl
  • Vitamin B2 (Riboflavin) appears as Riboflavin
  • Vitamin B3 (Niacin) appears as Niacinamide
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B9 (Folate) appears as Folic Acid
  • Vitamin B12 (Cobalamin) appears as Cyanocobalamin
  • Vitamin B7 (Biotin)
  • Vitamin B5 (Pantothenic Acid) appears as Calcium Pantothenate
  • Choline appears as Choline Bitartrate
  • PABA
  • Inositol

Which categories do Life Extension B12 Elite and Swanson Super Stress B-Complex belong to?

  • Single Vitamin
  • B-Complex Formula
  • Multivitamin

What health concerns do Life Extension B12 Elite and Swanson Super Stress B-Complex address?

  • Brain, Focus & Cognitive Function
  • Neurological Support
  • Energy & Metabolism
  • Immune System Support
  • Stress Management

Which product has a higher amount of Vitamin B12 (Cobalamin) per serving?

  • Life Extension B12 Elite has the highest total amount of Vitamin B12 (Cobalamin): 500 mcg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Life Extension B12 Elite: 1 lozenge
    • Swanson Super Stress B-Complex: 1 capsule
  • Vitamin B12 (Cobalamin)
    • This supplement has 1000 mcg
    • Recommended Dietary Allowance in men: 2.4 mcg
    • Recommended Dietary Allowance in women: 2.4 mcg
    • Tolerable Upper Intake Level: Not established
  • Vitamin C
    • This supplement has 500 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin B1 (Thiamin)
    • This supplement has 25 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B2 (Riboflavin)
    • This supplement has 25 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B3 (Niacin)
    • This supplement has 50 mg
    • Recommended Dietary Allowance in men: 16 mg
    • Recommended Dietary Allowance in women: 14 mg
    • Tolerable Upper Intake Level: 35 mg
  • Vitamin B6 (Pyridoxine)
    • This supplement has 25 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.3 mg
    • Tolerable Upper Intake Level: 100 mg
  • Vitamin B9 (Folate)
    • This supplement has 340 mcg DFE
    • Recommended Dietary Allowance in men: 400 mcg DFE
    • Recommended Dietary Allowance in women: 400 mcg DFE
    • Tolerable Upper Intake Level: 1000 mcg DFE

Last updated: January 31, 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).
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  • 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.
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  • Author: VIOscan Research Team