effet secondaire injection b12 Vitamine_B12 Vitamine B12 : quels effets
Description
Most patients notice initial metabolic shifts such as changes in energy or early body composition feedback within two to four weeks

Adults usually start with a 1000 mcg dose daily for a week

Donaldson MS

Administer slowly and with caution in doses over 1/3 mL (50 mg Thiamine).
