Life Extension Creatine Capsules
vs
Doctor's Best Collagen Types 1 and 3
Supplement Comparison

  • Vitamin C: Doctor's Best Collagen Types 1 and 3 has 2.7× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 6 nutrients compared
Bar chart: per-serving label amounts and listed forms for Life Extension Creatine Capsules vs Doctor's Best Collagen Types 1 and 3.

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Frequently asked questions

Which active ingredients does Life Extension Creatine Capsules have?

  • Vitamin C appears as Ascorbyl Palmitate
  • Creatine appears as Creatine Monohydrate

Which active ingredients does Doctor's Best Collagen Types 1 and 3 have?

  • Vitamin C appears as Calcium Ascorbate
  • Collagen Peptides appears as Hydrolyzed Collagen Types 1 and 3

Which categories do Life Extension Creatine Capsules and Doctor's Best Collagen Types 1 and 3 belong to?

  • Amino Acid Formula
  • Sports Formula
  • Collagen

What health concerns do Life Extension Creatine Capsules and Doctor's Best Collagen Types 1 and 3 address?

  • Athletic Performance
  • Muscle Support
  • Energy & Metabolism
  • Joint & Bone Health
  • Skin, Hair & Nail Health

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

  • Doctor's Best Collagen Types 1 and 3 has the highest total amount of Vitamin C: 30 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Life Extension Creatine Capsules: 2 capsules
    • Doctor's Best Collagen Types 1 and 3: 3 tablets
  • Vitamin C
    • This supplement has 11 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin C
    • This supplement has 30 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg

Last updated: February 13, 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