Since the vitamin enters your bloodstream directly, your body can process it immediately, alleviating your symptoms faster than an oral supplement
Waiting less than 30 minutes introduces competing substrates that reduce effective dose
That often looks like: improved mood more follow-through with workouts less fatigue after work better motivation If fatigue has been your most significant issue, this is often when the benefits are most apparent
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Deficiency in B12 can result in neurological and psychiatric symptoms, including vision issues, muscle weakness, and mood disorders
Medicine (Baltimore) , 97 , e13020