NOW Foods Daily Vits
vs
Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C)
Supplement Comparison

  • Magnesium: NOW Foods Daily Vits has 38× more
  • Vitamin C: Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C) has 17× more
  • Calcium: Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C) 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
    • 52 nutrients compared
Bar chart: per-serving label amounts and listed forms for NOW Foods Daily Vits vs Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C).

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Frequently asked questions

Which active ingredients does NOW Foods Daily Vits have?

  • Vitamin A appears as Retinyl Palmitate and Beta-Carotene
  • Vitamin C appears as Ascorbic Acid
  • Vitamin D appears as Ergocalciferol (D2)
  • 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 Folic Acid
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Vitamin B7 (Biotin) appears as D-Biotin
  • Vitamin B5 (Pantothenic Acid) appears as Calcium Pantothenate
  • Calcium appears as Calcium Carbonate Aquamin
  • Iodine appears as Potassium Iodide
  • Magnesium appears as Magnesium Oxide and Aquamin
  • Zinc appears as TRAACS Zinc Bisglycinate (Albion)
  • Selenium appears as L-Selenomethionine
  • Copper appears as TRAACS Copper Bisglycinate (Albion)
  • Manganese appears as TRAACS Manganese Bisglycinate (Albion)
  • Chromium appears as Chromium Picolinate
  • Molybdenum appears as Sodium Molybdate
  • Potassium appears as Potassium Chloride
  • Lutein appears as FloraGLO Lutein from Marigold Flowers Extract
  • Lycopene
  • Organic Fruit and Veggie Blend

Which active ingredients does Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C) have?

  • Vitamin C appears as Calcium, Magnesium, Potassium Ascorbates and Ascorbic Acid
  • Calcium appears as Calcium Ascorbate and Carbonate Complex
  • Magnesium appears as Magnesium Ascorbate and Oxide Complex
  • Potassium appears as Potassium Ascorbate and Chloride Complex
  • Blend appears as Citrus Pectin and Citrus Bioflavonoids Complex

Which categories do NOW Foods Daily Vits and Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C) belong to?

  • Multivitamin
  • Single Vitamin

What health concerns do NOW Foods Daily Vits and Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C) address?

  • Antioxidant Support
  • Energy & Metabolism
  • General Health
  • Immune System Support

Which product has a higher amount of Magnesium per serving?

  • NOW Foods Daily Vits has the highest total amount of Magnesium: 15 mg per serving

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

  • Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C) has the highest total amount of Vitamin C: 1000 mg per serving

Which product has a higher amount of Calcium per serving?

  • Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C) has the highest total amount of Calcium: 90 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • NOW Foods Daily Vits: 1 capsule
    • Douglas Laboratories Ascorbplex 1000™ (Buffered Vitamin C): 1 tablet
  • Vitamin A
    • This supplement has 1500 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 60 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 400 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 1.5 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin C
    • This supplement has 1000 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Calcium
    • This supplement has 90 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Potassium
    • This supplement has 60 mg
    • Adequate Intake in men: 3400 mg
    • Adequate Intake in women: 2600 mg
    • Tolerable Upper Intake Level: Not established

Last updated: February 2, 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