Doctor's Best Brain Magnesium
vs
Jarrow BoneUp
Supplement Comparison

  • Magnesium: Jarrow BoneUp has 11% 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 Doctor's Best Brain Magnesium vs Jarrow BoneUp.

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Frequently asked questions

Which active ingredients does Doctor's Best Brain Magnesium have?

  • Magnesium appears as Magtein Magnesium L-Threonate

Which active ingredients does Jarrow BoneUp have?

  • Vitamin C appears as Calcium Ascorbate
  • Vitamin D appears as Cholecalciferol (D3)
  • Vitamin K appears as Vitamin K2 Menaquinone-7 (MK-7)
  • Calcium
  • Magnesium appears as Magnesium Oxide
  • Zinc appears as Zinc Citrate and Zinc Mono-L-Methionine Sulfate
  • Copper appears as Copper Gluconate
  • Manganese appears as Manganese Citrate
  • Potassium appears as Potassium Citrate
  • Boron appears as Boron citrate

Which categories do Doctor's Best Brain Magnesium and Jarrow BoneUp belong to?

  • Single Mineral
  • Joint Formula

What health concerns do Doctor's Best Brain Magnesium and Jarrow BoneUp address?

  • Brain, Focus & Cognitive Function
  • General Health
  • Sleep Quality
  • Joint & Bone Health

Which product has a higher amount of Magnesium per serving?

  • Jarrow BoneUp has the highest total amount of Magnesium: 166.7 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Doctor's Best Brain Magnesium: 3 capsules
    • Jarrow BoneUp: 2 oz
  • Vitamin C
    • This supplement has 66.7 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 333 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Vitamin K
    • This supplement has 15 mcg
    • Adequate Intake in men: 120 mcg
    • Adequate Intake in women: 90 mcg
    • Tolerable Upper Intake Level: Not established
  • Calcium
    • This supplement has 333.3 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Zinc
    • This supplement has 3.3 mg
    • Recommended Dietary Allowance in men: 11 mg
    • Recommended Dietary Allowance in women: 8 mg
    • Tolerable Upper Intake Level: 40 mg
  • Copper
    • This supplement has 0.33 mg
    • Recommended Dietary Allowance in men: 0.9 mg
    • Recommended Dietary Allowance in women: 0.9 mg
    • Tolerable Upper Intake Level: 10 mg

Last updated: February 16, 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