Life Extension Once-Daily Health Booster
vs
Doctor's Best Natural Vitamin K2 MK-7
Supplement Comparison

  • Vitamin K: Life Extension Once-Daily Health Booster has 26× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 10 nutrients compared
Bar chart: per-serving label amounts and listed forms for Life Extension Once-Daily Health Booster vs Doctor's Best Natural Vitamin K2 MK-7.

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Frequently asked questions

Which active ingredients does Life Extension Once-Daily Health Booster have?

  • Vitamin E appears as d-Alpha Tocopherol
  • Vitamin K appears as Vitamin K1 Phytonadione
  • Vitamin K appears as Vitamin K2 Menaquinone-4 (MK-4)
  • Vitamin K appears as Vitamin K2 Menaquinone-7 (MK-7)
  • Tocotrienols
  • Lutein
  • Lycopene
  • Zeaxanthin

Which active ingredients does Doctor's Best Natural Vitamin K2 MK-7 have?

  • Vitamin K appears as Vitamin K2 MK-7 MenaQ7

Which categories do Life Extension Once-Daily Health Booster and Doctor's Best Natural Vitamin K2 MK-7 belong to?

  • Antioxidant Complex
  • Single Vitamin

What health concerns do Life Extension Once-Daily Health Booster and Doctor's Best Natural Vitamin K2 MK-7 address?

  • Antioxidant Support
  • Eye Health
  • Joint & Bone Health

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

  • Life Extension Once-Daily Health Booster has the highest total amount of Vitamin K: 1500 mcg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Life Extension Once-Daily Health Booster: 1 softgel
    • Doctor's Best Natural Vitamin K2 MK-7: 1 capsule
  • Vitamin E
    • This supplement has 30.2 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 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 K
    • This supplement has 100 mcg
    • Adequate Intake in men: 120 mcg
    • Adequate Intake in women: 90 mcg
    • 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.
  • 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