California Gold Nutrition Cardio Complex
vs
Douglas Laboratories Fiber-Plex
Supplement Comparison

  • Blend: Douglas Laboratories Fiber-Plex 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 California Gold Nutrition Cardio Complex vs Douglas Laboratories Fiber-Plex.

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Frequently asked questions

Which active ingredients does California Gold Nutrition Cardio Complex have?

  • Coenzyme Q10 appears as Ubiquinone (Oxidized CoQ10)
  • Blend appears as CardioPhyto Blend (Beet Root Extract, Grape Seed Extract, Pomegranate Fruit Extract, Red Spinach Leaf Extract)
  • Blend appears as CardioAmino Blend (Acetyl-L-Carnitine HCl, L-Arginine, L-Carnitine L-Tartrate, L-Citrulline)

Which active ingredients does Douglas Laboratories Fiber-Plex have?

  • Dietary Fiber
  • Blend appears as Fiber-Plex Proprietary Blend (Glucomannan, Carrot Root, Celery Stalk and Leaves, Citrus Pectin, Apple Pectin, Sodium Alginate, Slippery Elm Bark)

Which categories do California Gold Nutrition Cardio Complex and Douglas Laboratories Fiber-Plex belong to?

  • Antioxidant Complex
  • Prebiotic

What health concerns do California Gold Nutrition Cardio Complex and Douglas Laboratories Fiber-Plex address?

  • Heart & Cardiovascular Health
  • Digestive Support
  • Weight Management

How do the serving sizes compare between the two supplements?

  • Serving size:
    • California Gold Nutrition Cardio Complex: 2 capsules
    • Douglas Laboratories Fiber-Plex: 3 capsules

Last updated: February 20, 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