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Studies that used 1 mg/day in oral and intravenous trials did not show meaningfully better outcomes than lower doses, and higher doses were associated with more reports of headache, diarrhea, and gastrointestinal effects

Keep the product sealed in its original container when not in use to maintain stability

If you're pregnant or breastfeeding, consult your doctor before getting vitamin B12 shots

[DOI] [PubMed] [Google Scholar] 65.Herbert V

These dual verification methods ensure that researchers receive a compound of consistent quality suitable for reproducible experimental outcomes