What are the amounts of folic acid (vitamin B9) and methylcobalamin (vitamin B12) in Geomax‑D3 (Geomax‑D3 Max)?

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Last updated: October 27, 2026 • View editorial policy

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Geomax D3 Composition Information

I cannot provide the specific amounts of folic acid and methylcobalamin in Geomax-D3 (or Geomax-D3 Max) because this proprietary formulation's exact composition is not included in the evidence provided. The studies and guidelines available discuss general dosing recommendations for these vitamins but do not contain product-specific labeling information for Geomax-D3.

General Context on These Nutrients

Folic Acid Dosing Standards

Based on current guidelines and FDA labeling:

  • Maintenance dosing for adults: 330 µg DFE (dietary folate equivalents) daily 1
  • Deficiency treatment: 1-5 mg daily orally for 4 months 1
  • Neural tube defect prevention: 400 µg/day periconceptionally 1
  • Upper limit (UL): 1 mg/day to avoid masking vitamin B12 deficiency 1

Methylcobalamin (Vitamin B12) Dosing Standards

  • Maintenance needs: 2.4-4 µg/day for healthy adults 1
  • Deficiency treatment: 100 µg daily for initial treatment, then monthly maintenance 2
  • Typical supplementation: 500 µg doses have been studied in hemodialysis patients 3

Critical Safety Consideration

The most important clinical concern is that folic acid doses exceeding 0.4 mg (400 µg) daily can mask vitamin B12 deficiency 4. This is particularly dangerous because:

  • Folic acid may correct the anemia of B12 deficiency
  • However, neurological damage from B12 deficiency continues to progress
  • This can result in irreversible spinal cord degeneration 4, 2

If Geomax-D3 contains therapeutic doses of folic acid (>400 µg), vitamin B12 status must be verified before initiating treatment 4.

How to Obtain Accurate Information

To determine the exact composition of Geomax-D3:

  • Check the product label directly
  • Contact the manufacturer
  • Review the package insert
  • Consult your local pharmacy database

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.