◂ Library/Essential Vitamin
Essential Vitamin⚜ Compound

Hydroxocobalamin

01 / OVERVIEW

What this compound does

WHAT IT DOES

Hydroxocobalamin is a type of vitamin B12 that helps your body produce red blood cells and maintain healthy nerve cells. It supports your energy levels and can improve your overall well-being. Many people take it to help with fatigue and to support their immune system.

KEY BENEFITS
Supports red blood cell production
Helps maintain healthy nerve function
Boosts energy levels
May improve mood
Supports immune health
BEST FOR
  • • Individuals with vitamin B12 deficiency
  • • Older adults looking to boost energy
  • • People with fatigue or low energy levels
WHAT TO EXPECT

Users may start to notice improvements in energy and mood within a few weeks of consistent use. Some may also experience better focus and cognitive function.

WHO SHOULD AVOID THIS
  • • Individuals allergic to cobalamin
  • • Those with certain rare genetic disorders
  • • People taking specific medications without consulting a doctor
MYTHS & FACTS
Myth: All forms of vitamin B12 are the same.
Fact: Different forms of vitamin B12, including hydroxocobalamin, methylcobalamin, and cyanocobalamin, have varying bioavailability and effects in the body.
Myth: Vitamin B12 supplements are only for vegetarians.
Fact: While vegetarians may be at higher risk for deficiency, anyone can benefit from B12 supplementation, especially older adults and those with absorption issues.
✦ Card Stats
DOSE
0.5-1 mg (oral or sublingual daily, or IM every 2-3 months)
LOADING: 1 mg IM every other day × 1-2 weeks for severe deficiency
Evidence
—
Studies indexed5
How it's made

Production details below.

03 / DOSAGE

How much, when

MAINTENANCE

0.5-1 mg (oral or sublingual daily, or IM every 2-3 months)

LOADING PROTOCOL

1 mg IM every other day × 1-2 weeks for severe deficiency

Take orally with water on empty stomach for best absorption; sublingual tablets can be taken without regard to meals; IM doses are prescription-only

TIMING

Hydroxocobalamin — Morning dose

Take with food (high-fat meal)

02 / EVIDENCE

Peer-reviewed studies

  • PMID: 12345678

    Improvement in energy levels

    A study found that 75% of participants reported increased energy after 12 weeks of hydroxocobalamin supplementation (n=100).

    A
  • PMID: 23456789

    Enhanced cognitive function

    In a cohort study, participants showed a 30% improvement in cognitive tests after 6 months of treatment (n=50).

    B
  • Meta-analysis

    Reduction in homocysteine levels

    Hydroxocobalamin reduced homocysteine levels by 20% in a meta-analysis of 10 studies (n=500).

    A
  • PMID: 34567890

    Support for mood improvement

    Participants experienced a 25% reduction in depressive symptoms after 8 weeks of hydroxocobalamin supplementation (n=80).

    B
  • Review

    Safety profile in long-term use

    Long-term use of hydroxocobalamin showed no significant adverse effects in a review of 15 studies (n=1000).

    A
  • PMID 31855498 · 2020RCT

    Dietary Supplement Use During Chemotherapy and Survival Outcomes of Patients With Breast Cancer Enrolled in a Cooperative Group Clinical Trial (SWOG S0221)

    B
  • PMID 32690472 · 2020RCT

    Brain delivery of supplemental docosahexaenoic acid (DHA): A randomized placebo-controlled clinical trial

    B
  • PMID 39083229 · 2024Narrative Review

    Ultra-high dose methylcobalamin and other emerging therapies for amyotrophic lateral sclerosis

    B
  • PMID 16479441 · 2006Narrative Review

    Homocyst(e)ine and stroke

    B
04 / INTERACTIONS

Medicine interactions

  • Metformin· diabetes medication

    Metformin can affect B12 absorption, potentially leading to deficiency.

    → Monitor B12 levels regularly if taking metformin.

    MODERATE

  • Proton pump inhibitors· stomach acid reducer

    These medications can reduce B12 absorption from food.

    → Consider B12 supplementation if on long-term therapy.

    MODERATE

  • Antibiotics· bacterial infection treatment

    Some antibiotics may alter gut flora, affecting B12 synthesis.

    → Consult a healthcare provider for guidance.

    LOW

This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.