Natural Factors Women's Multivitamin & Mineral
vs
Douglas Laboratories Prenatal
Supplement Comparison

  • Vitamin D: same total amount on both labels
  • Magnesium: Douglas Laboratories Prenatal has 3.2× more
  • Vitamin C: Natural Factors Women's Multivitamin & Mineral has 29% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 51 nutrients compared
Bar chart: per-serving label amounts and listed forms for Natural Factors Women's Multivitamin & Mineral vs Douglas Laboratories Prenatal.

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Frequently asked questions

Which active ingredients does Natural Factors Women's Multivitamin & Mineral have?

  • Vitamin A appears as Beta-carotene from algae (Dunaliella salina)
  • Vitamin C appears as Mixed ascorbates from organic amla (Phyllanthus emblica)
  • Vitamin D appears as Cholecalciferol from lichen
  • Vitamin E appears as d-Alpha Tocopherol from sunflower seed oil
  • Vitamin K appears as Vitamin K2 Menaquinone-7 (MK-7)
  • Vitamin B1 (Thiamin) appears as Benfotiamine
  • Vitamin B2 (Riboflavin) appears as Riboflavin 5-Phosphate Sodium
  • Vitamin B3 (Niacin) appears as Inositol Hexanicotinate
  • Vitamin B6 (Pyridoxine) appears as Pyridoxal 5-Phosphate
  • Vitamin B9 (Folate) appears as Quatrefolic (6S)-5-MTHF Glucosamine Salt
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Vitamin B5 (Pantothenic Acid) appears as Pantesin
  • Calcium appears as Calcium from organic algae and calcium ascorbate
  • Iron appears as Ferrochel Ferrous Bisglycinate Chelate (Albion)
  • Iodine appears as Kelp
  • Magnesium appears as Magnesium Citrate Malate Succinate Glycinate Aspartate Ascorbate
  • Zinc appears as Zinc Picolinate
  • Selenium appears as Selenomethionine from sprouted garlic (Allium sativum)
  • Copper appears as Copper Glycinate
  • Manganese appears as Manganese Citrate and Ascorbate
  • Chromium appears as Chromium Picolinate
  • Boron appears as Boron citrate
  • Blend appears as Farm Fresh Factors (EnviroSimplex processed whole food blend)

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 categories do Natural Factors Women's Multivitamin & Mineral and Douglas Laboratories Prenatal belong to?

  • Multivitamin
  • Prenatal Formula

What health concerns do Natural Factors Women's Multivitamin & Mineral and Douglas Laboratories Prenatal address?

  • Energy & Metabolism
  • General Health
  • Immune System Support
  • Women's Health
  • Pregnancy Support

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

  • Both products list the same total amount of Vitamin D per serving

Which product has a higher amount of Magnesium per serving?

  • Douglas Laboratories Prenatal has the highest total amount of Magnesium: 80 mg per serving

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

  • Natural Factors Women's Multivitamin & Mineral has the highest total amount of Vitamin C: 90 mg per serving

Which product has a higher amount of Zinc per serving?

  • Both products list the same total amount of Zinc per serving

Which product has a higher amount of Iron per serving?

  • Douglas Laboratories Prenatal has the highest total amount of Iron: 27 mg per serving

Which product has a higher amount of Calcium per serving?

  • Douglas Laboratories Prenatal has the highest total amount of Calcium: 200 mg per serving

Which product has a higher amount of Vitamin B12 (Cobalamin) per serving?

  • Natural Factors Women's Multivitamin & Mineral has the highest total amount of Vitamin B12 (Cobalamin): 400 mcg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Natural Factors Women's Multivitamin & Mineral: 1 tablet
    • Douglas Laboratories Prenatal: 2 capsules
  • Vitamin A
    • This supplement has 6000 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 90 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 20 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 80 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 3.2 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • 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

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).
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  • 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