NOW Foods Pantothenic Acid
vs
Doctor's Best Natural Brain Enhancers
Supplement Comparison

  • Calcium: Doctor's Best Natural Brain Enhancers has 3.9× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 8 nutrients compared
Bar chart: per-serving label amounts and listed forms for NOW Foods Pantothenic Acid vs Doctor's Best Natural Brain Enhancers.

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Frequently asked questions

Which active ingredients does NOW Foods Pantothenic Acid have?

  • Vitamin B5 (Pantothenic Acid) appears as Calcium Pantothenate
  • Calcium appears as Calcium Pantothenate

Which active ingredients does Doctor's Best Natural Brain Enhancers have?

  • Calcium appears as DiCalcium Phosphate
  • Phosphatidylserine appears as SerinAid PhosphatidylSerine (PS)
  • Alpha GPC appears as AlphaSize GlyceroPhosphoCholine (GPC)

Which categories do NOW Foods Pantothenic Acid and Doctor's Best Natural Brain Enhancers belong to?

  • Single Vitamin

What health concerns do NOW Foods Pantothenic Acid and Doctor's Best Natural Brain Enhancers address?

  • Energy & Metabolism
  • General Health
  • Brain, Focus & Cognitive Function
  • Stress Management

Which product has a higher amount of Calcium per serving?

  • Doctor's Best Natural Brain Enhancers has the highest total amount of Calcium: 175 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • NOW Foods Pantothenic Acid: 1 capsule
    • Doctor's Best Natural Brain Enhancers: 2 capsules
  • Vitamin B5 (Pantothenic Acid)
    • This supplement has 500 mg
    • Adequate Intake in men: 5 mg
    • Adequate Intake in women: 5 mg
    • Tolerable Upper Intake Level: Not established
  • Calcium
    • This supplement has 45 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Calcium
    • This supplement has 175 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg

Last updated: February 13, 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