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In other words, mitochondrial dysfunction is also involved in the mechanisms by which MEN inhibits transiently the intestinal Ca 2+ absorption[49]

Side effects are uncommon but may include mild lethargy, digestive discomfort or injection site irritation

Please note that it is difficult to administer higher dosages of vitamin C through injection alone

Oral administration of high-dose vitamin B 12 (1 to 2 mg daily) is considered as effective as intramuscular administration for correcting anemia and neurologic symptoms Despite many studies suggesting oral administration of vitamin B 12 to be easy, effective and less costly than intramuscular administration, debate surrounds the effectiveness of the oral route