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Authors reported small statistically significant differences in weekly weight loss at the 1 mg dose with a non-linear dose response, but the abstract data has not been published in full peer-reviewed form

Cyanocobalamin remains very effective for healthy people supplementing their daily requirement or treating vitamin B12 deficiencies and is globally prescribed to treat vitamin B12 deficiencies

Intramuscular (IM) vitamin injections bypass the gastrointestinal system entirely, achieving 70 to 80% greater bioavailability than oral supplementation

When your B12 levels are low, hair can become weaker, more brittle and prone to shedding

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