California Gold Nutrition Organic Spirulina
vs
Metagenics Hemagenics
Supplement Comparison

  • Iron: Metagenics Hemagenics has 41× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 22 nutrients compared
Bar chart: per-serving label amounts and listed forms for California Gold Nutrition Organic Spirulina vs Metagenics Hemagenics.

Frequently asked questions

Which active ingredients does California Gold Nutrition Organic Spirulina have?

  • Iron
  • Sodium
  • Chlorophyllin
  • Spirulina (Arthrospira platensis) Microalgae appears as Parry's Organic Spirulina
  • Phycocyanin
  • Total Carotenoids

Which active ingredients does Metagenics Hemagenics have?

  • Vitamin B1 (Thiamin) appears as Thiamin Mononitrate
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B9 (Folate) appears as Calcium L-5-Methyltetrahydrofolate
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Calcium
  • Iron appears as Ferrous Bisglycinate
  • Phosphorus
  • Copper appears as Copper Lysinate HCl
  • Glycine
  • Succinic Acid

Which categories do California Gold Nutrition Organic Spirulina and Metagenics Hemagenics belong to?

  • Algae
  • Multivitamin

What health concerns do California Gold Nutrition Organic Spirulina and Metagenics Hemagenics address?

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

Which product has a higher amount of Iron per serving?

  • Metagenics Hemagenics has the highest total amount of Iron: 29 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • California Gold Nutrition Organic Spirulina: 3 tablets
    • Metagenics Hemagenics: 1 tablet
  • Iron
    • This supplement has 0.7 mg
    • Recommended Dietary Allowance in men: 8 mg
    • Recommended Dietary Allowance in women: 18 mg
    • Tolerable Upper Intake Level: 45 mg
  • Sodium
    • This supplement has 15 mg
    • Adequate Intake in men: 1500 mg
    • Adequate Intake in women: 1500 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B1 (Thiamin)
    • This supplement has 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 B6 (Pyridoxine)
    • This supplement has 5 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 1000 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 350 mcg
    • Recommended Dietary Allowance in men: 2.4 mcg
    • Recommended Dietary Allowance in women: 2.4 mcg
    • Tolerable Upper Intake Level: Not established
  • Calcium
    • This supplement has 25 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Iron
    • This supplement has 29 mg
    • Recommended Dietary Allowance in men: 8 mg
    • Recommended Dietary Allowance in women: 18 mg
    • Tolerable Upper Intake Level: 45 mg

Last updated: January 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).
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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