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B12 Supplements (MAJOR EFFECT) Oral B12 Supplements: Typical dose: 1000 mcg (1 mg) Absorption: ~1-2% passively absorbed (10-20 mcg from 1000 mcg dose) Effect on serum B12: Can increase by 100-300 pg/mL within 24 hours Peak effect: 4-8 hours after oral supplement Intramuscular B12 Injections: Dose: Usually 1000 mcg Effect: Massive increase in serum B12 Can reach 1000-5000 pg/mL within hours Sustained elevation for weeks Recommendation: Stop oral supplements 3-7 days before testing (ideally 7 days) Wait 1-2 weeks after injection before testing 2
Research Chem Co products are sold strictly for laboratory research use only and are not intended for human consumption, diagnosis, treatment, or prevention of disease
Statistical analysis was conducted using SPSS version 14.0
The FDA has received severe adverse event reports after use of these products, including seizure and loss of consciousness
Protection Against Toxins and NSAIDs: Helps prevent further gut injury from medications or environmental toxins
