Douglas Laboratories Fiber-Plex
vs
Metagenics Fem EstroPlex
Supplement Comparison

  • Blend: Douglas Laboratories Fiber-Plex has 43% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 12 nutrients compared
Bar chart: per-serving label amounts and listed forms for Douglas Laboratories Fiber-Plex vs Metagenics Fem EstroPlex.

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Frequently asked questions

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 active ingredients does Metagenics Fem EstroPlex have?

  • Vitamin C appears as Ascorbic Acid
  • Vitamin E appears as d-Alpha Tocopheryl Succinate
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B5 (Pantothenic Acid) appears as D-Calcium Pantothenate
  • Rutin
  • Blend appears as Proprietary Herbal Extract Blend (Dandelion Chasteberry Valerian Motherwort Stinging Nettle)

Which categories do Douglas Laboratories Fiber-Plex and Metagenics Fem EstroPlex belong to?

  • Prebiotic
  • Hormone Support Formula

What health concerns do Douglas Laboratories Fiber-Plex and Metagenics Fem EstroPlex address?

  • Digestive Support
  • Weight Management
  • Women's Health

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Douglas Laboratories Fiber-Plex: 3 capsules
    • Metagenics Fem EstroPlex: 3 tablets
  • Vitamin C
    • This supplement has 300 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin E
    • This supplement has 67 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg
  • Vitamin B6 (Pyridoxine)
    • This supplement has 50 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.3 mg
    • Tolerable Upper Intake Level: 100 mg
  • Vitamin B5 (Pantothenic Acid)
    • This supplement has 300 mg
    • Adequate Intake in men: 5 mg
    • Adequate Intake in women: 5 mg
    • Tolerable Upper Intake Level: Not established

Last updated: February 21, 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