NOW Foods C-1000
vs
Metagenics Lipo-Gen
Supplement Comparison

  • Vitamin C: NOW Foods C-1000 has 10× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 19 nutrients compared
Bar chart: per-serving label amounts and listed forms for NOW Foods C-1000 vs Metagenics Lipo-Gen.

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Frequently asked questions

Which active ingredients does NOW Foods C-1000 have?

  • Vitamin C appears as Ascorbic Acid
  • Citrus Bioflavonoid Complex
  • Rose Hips Powder

Which active ingredients does Metagenics Lipo-Gen have?

  • Vitamin C appears as Ascorbic Acid
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B9 (Folate) appears as Calcium-L-5-methyltetrahydrofolate
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Choline appears as Choline Bitartrate
  • Magnesium appears as Magnesium Oxide
  • Inositol
  • Betaine Hydrochloride
  • Taurine
  • Blend appears as Proprietary Blend Artichoke Cynara scolymus Leaf Extract Chen Pi Citrus reticulata 5:1 Peel Extract
  • L-Methionine

Which categories do NOW Foods C-1000 and Metagenics Lipo-Gen belong to?

  • Single Vitamin
  • Digestive Support

What health concerns do NOW Foods C-1000 and Metagenics Lipo-Gen address?

  • Antioxidant Support
  • General Health
  • Immune System Support
  • Liver & Detox Support

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

  • NOW Foods C-1000 has the highest total amount of Vitamin C: 1000 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • NOW Foods C-1000: 1 tablet
    • Metagenics Lipo-Gen: 2 tablets
  • 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
  • Vitamin C
    • This supplement has 100 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • 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
  • Vitamin B9 (Folate)
    • This supplement has 165 mcg DFE
    • Recommended Dietary Allowance in men: 400 mcg DFE
    • Recommended Dietary Allowance in women: 400 mcg DFE
    • Tolerable Upper Intake Level: 1000 mcg DFE
  • Vitamin B12 (Cobalamin)
    • This supplement has 10 mcg
    • Recommended Dietary Allowance in men: 2.4 mcg
    • Recommended Dietary Allowance in women: 2.4 mcg
    • Tolerable Upper Intake Level: Not established
  • Choline
    • This supplement has 300 mg
    • Adequate Intake in men: 550 mg
    • Adequate Intake in women: 425 mg
    • Tolerable Upper Intake Level: 3500 mg

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.
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  • Author: VIOscan Research Team