Natural Factors Women's Multivitamin & Mineral
vs
Douglas Laboratories Ultra I-3-C
Supplement Comparison

  • Blend: Natural Factors Women's Multivitamin & Mineral has 2.0× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 47 nutrients compared
Bar chart: per-serving label amounts and listed forms for Natural Factors Women's Multivitamin & Mineral vs Douglas Laboratories Ultra I-3-C.

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 Ultra I-3-C have?

  • Indole-3-Carbinol
  • Blend appears as Proprietary Blend (standardized broccoli extract sprouts cauliflower head Brussels sprout)

Which categories do Natural Factors Women's Multivitamin & Mineral and Douglas Laboratories Ultra I-3-C belong to?

  • Multivitamin
  • Antioxidant Complex
  • Herbal Extract

What health concerns do Natural Factors Women's Multivitamin & Mineral and Douglas Laboratories Ultra I-3-C address?

  • Energy & Metabolism
  • General Health
  • Immune System Support
  • Women's Health
  • Cellular Health
  • Hormonal Balance

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Natural Factors Women's Multivitamin & Mineral: 1 tablet
    • Douglas Laboratories Ultra I-3-C: 1 capsule
  • 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

Last updated: January 3, 2026