Douglas Laboratories Prenatal
vs
Metagenics Concentrated Ultra Prostagen™
Supplement Comparison

  • Vitamin D: Douglas Laboratories Prenatal has 5.0× more
  • Zinc: Douglas Laboratories Prenatal has 2.0× more
  • Vitamin B6 (Pyridoxine): Metagenics Concentrated Ultra Prostagen™ has 4.5× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 55 nutrients compared
Bar chart: per-serving label amounts and listed forms for Douglas Laboratories Prenatal vs Metagenics Concentrated Ultra Prostagen™.

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Frequently asked questions

Which active ingredients does Douglas Laboratories Prenatal have?

  • Vitamin A appears as Beta Carotene
  • Vitamin C appears as Ascorbic Acid
  • Vitamin D appears as Cholecalciferol (D3)
  • Vitamin E appears as d-Alpha Tocopheryl Acid Succinate
  • Vitamin K appears as Vitamin K1 Phytonadione
  • Vitamin B1 (Thiamin) appears as Thiamin HCl
  • Vitamin B2 (Riboflavin) appears as Riboflavin
  • Vitamin B3 (Niacin) appears as Niacinamide
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B9 (Folate) appears as Metafolin L-5-MTHF
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Vitamin B7 (Biotin) appears as D-Biotin
  • Vitamin B5 (Pantothenic Acid) appears as Calcium Pantothenate
  • Choline appears as Choline Bitartrate
  • Calcium appears as DimaCal Di-Calcium Malate
  • Iron appears as Iron Glycinate
  • Iodine appears as Potassium Iodide
  • Magnesium appears as Magnesium Citrate
  • Zinc appears as Zinc Citrate
  • Selenium appears as L-Selenomethionine
  • Copper appears as TRAACS Copper Glycinate Chelate (Albion)
  • Manganese appears as Manganese Citrate
  • Chromium appears as ChromeMate
  • Molybdenum appears as TRAACS Molybdenum Glycinate Chelate (Albion)
  • Blend appears as Mixed Carotenoid Blend (Lutein, Lycopene, Zeaxanthin)

Which active ingredients does Metagenics Concentrated Ultra Prostagen™ have?

  • Vitamin D appears as Cholecalciferol (D3)
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Zinc appears as Zinc Citrate
  • Lycopene
  • Glycine
  • L-Alanine
  • Saw Palmetto appears as Saw Palmetto (Serenoa repens) Berry Extract standardized to 45% fatty acids and sterols
  • Stinging Nettle (Urtica dioica) Root appears as Stinging Nettle (Urtica dioica) Root 10:1 Extract
  • L-Glutamic Acid

Which categories do Douglas Laboratories Prenatal and Metagenics Concentrated Ultra Prostagen™ belong to?

  • Prenatal Formula
  • Single Mineral

What health concerns do Douglas Laboratories Prenatal and Metagenics Concentrated Ultra Prostagen™ address?

  • General Health
  • Pregnancy Support
  • Women's Health
  • Men's Health

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

  • Douglas Laboratories Prenatal has the highest total amount of Vitamin D: 1000 IU per serving

Which product has a higher amount of Zinc per serving?

  • Douglas Laboratories Prenatal has the highest total amount of Zinc: 15 mg per serving

Which product has a higher amount of Vitamin B6 (Pyridoxine) per serving?

  • Metagenics Concentrated Ultra Prostagen™ has the highest total amount of Vitamin B6 (Pyridoxine): 10 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Douglas Laboratories Prenatal: 2 capsules
    • Metagenics Concentrated Ultra Prostagen™: 1 capsule
  • Vitamin A
    • This supplement has 2400 mcg RAE
    • Recommended Dietary Allowance in men: 900 mcg RAE
    • Recommended Dietary Allowance in women: 700 mcg RAE
    • Tolerable Upper Intake Level: 3000 mcg RAE
  • Vitamin C
    • This supplement has 70 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin D
    • This supplement has 1000 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Vitamin E
    • This supplement has 12 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 90 mcg
    • Adequate Intake in men: 120 mcg
    • Adequate Intake in women: 90 mcg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B1 (Thiamin)
    • This supplement has 1.6 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin D
    • This supplement has 200 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Vitamin B6 (Pyridoxine)
    • This supplement has 10 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.3 mg
    • Tolerable Upper Intake Level: 100 mg
  • Zinc
    • This supplement has 7.5 mg
    • Recommended Dietary Allowance in men: 11 mg
    • Recommended Dietary Allowance in women: 8 mg
    • Tolerable Upper Intake Level: 40 mg

Last updated: February 9, 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