Life Extension Super K
vs
Klean Athlete Klean Hydration
Supplement Comparison

  • Vitamin C: Klean Athlete Klean Hydration has 25% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 16 nutrients compared
Bar chart: per-serving label amounts and listed forms for Life Extension Super K vs Klean Athlete Klean Hydration.

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Frequently asked questions

Which active ingredients does Life Extension Super K have?

  • Vitamin C appears as Ascorbyl Palmitate
  • Vitamin K appears as Vitamin K1 Phytonadione
  • Vitamin K appears as Vitamin K2 Menaquinone-4 (MK-4)
  • Vitamin K appears as Vitamin K2 trans MK-7 K2VITAL

Which active ingredients does Klean Athlete Klean Hydration have?

  • Vitamin C appears as Ascorbic Acid
  • Calcium appears as TRAACS Calcium Bisglycinate (Albion)
  • Copper appears as Magnesium Citrate
  • Sodium appears as Sodium Citrate
  • Potassium appears as Potassium Citrate
  • Blend appears as Carbohydrate Blend (glucose, fructose, branched dextrin)

Which categories do Life Extension Super K and Klean Athlete Klean Hydration belong to?

  • Single Vitamin
  • Sports Formula

What health concerns do Life Extension Super K and Klean Athlete Klean Hydration address?

  • Heart & Cardiovascular Health
  • Joint & Bone Health
  • Athletic Performance
  • Energy & Metabolism
  • General Health

Which product has a higher amount of Vitamin C per serving?

  • Klean Athlete Klean Hydration has the highest total amount of Vitamin C: 12.5 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Life Extension Super K: 1 softgel
    • Klean Athlete Klean Hydration: 17.9 g
  • Vitamin C
    • This supplement has 10 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin K
    • This supplement has 2600 mcg
    • Adequate Intake in men: 120 mcg
    • Adequate Intake in women: 90 mcg
    • Tolerable Upper Intake Level: Not established
  • Vitamin C
    • This supplement has 12.5 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Calcium
    • This supplement has 35 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Copper
    • This supplement has 25 mg
    • Recommended Dietary Allowance in men: 0.9 mg
    • Recommended Dietary Allowance in women: 0.9 mg
    • Tolerable Upper Intake Level: 10 mg
  • Sodium
    • This supplement has 180 mg
    • Adequate Intake in men: 1500 mg
    • Adequate Intake in women: 1500 mg
    • Tolerable Upper Intake Level: Not established
  • Potassium
    • This supplement has 70 mg
    • Adequate Intake in men: 3400 mg
    • Adequate Intake in women: 2600 mg
    • Tolerable Upper Intake Level: Not established

Last updated: February 12, 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.
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  • Author: VIOscan Research Team