Jarrow Methyl B-12 & Methyl Folate
vs
Metagenics Concentrated Ultra Prostagen™
Supplement Comparison

  • Vitamin B6 (Pyridoxine): Metagenics Concentrated Ultra Prostagen™ has 6.7× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 18 nutrients compared
Bar chart: per-serving label amounts and listed forms for Jarrow Methyl B-12 & Methyl Folate vs Metagenics Concentrated Ultra Prostagen™.

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Frequently asked questions

Which active ingredients does Jarrow Methyl B-12 & Methyl Folate have?

  • Vitamin B6 (Pyridoxine) appears as Pyridoxal 5-Phosphate
  • Vitamin B9 (Folate) appears as 6S-5-methyltetrahydrofolate glucosamine salt
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin

Which active ingredients does Metagenics Concentrated Ultra Prostagen™ have?

  • Vitamin D appears as Cholecalciferol (D3)
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Zinc appears as Zinc Citrate
  • Lycopene
  • Glycine
  • L-Alanine
  • Saw Palmetto appears as Saw Palmetto (Serenoa repens) Berry Extract standardized to 45% fatty acids and sterols
  • Stinging Nettle (Urtica dioica) Root appears as Stinging Nettle (Urtica dioica) Root 10:1 Extract
  • L-Glutamic Acid

Which categories do Jarrow Methyl B-12 & Methyl Folate and Metagenics Concentrated Ultra Prostagen™ belong to?

  • B-Complex Formula
  • Single Mineral

What health concerns do Jarrow Methyl B-12 & Methyl Folate and Metagenics Concentrated Ultra Prostagen™ address?

  • Methylation Support
  • Men's Health

Which product has a higher amount of Vitamin B6 (Pyridoxine) per serving?

  • Metagenics Concentrated Ultra Prostagen™ has the highest total amount of Vitamin B6 (Pyridoxine): 10 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Jarrow Methyl B-12 & Methyl Folate: 1 tablet
    • Metagenics Concentrated Ultra Prostagen™: 1 capsule
  • Vitamin B6 (Pyridoxine)
    • This supplement has 1.5 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 680 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 1000 mcg
    • Recommended Dietary Allowance in men: 2.4 mcg
    • Recommended Dietary Allowance in women: 2.4 mcg
    • Tolerable Upper Intake Level: Not established
  • Vitamin D
    • This supplement has 200 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • 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
  • Zinc
    • This supplement has 7.5 mg
    • Recommended Dietary Allowance in men: 11 mg
    • Recommended Dietary Allowance in women: 8 mg
    • Tolerable Upper Intake Level: 40 mg

Last updated: February 20, 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