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Rotate the injection site each day to prevent irritation and lipohypertrophy [12]
The National Institutes of Health Office of Dietary Supplements has not set a Tolerable Upper Intake Level for B12 precisely because no reliable evidence of harm from high intakes has been established in healthy people
It is possible that compensatory mechanisms could develop that reduce efficacy with prolonged use
Neurological issues like neuropathy may take longer, up to 3-6 months (Carmel, 2008)
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7) Nutrition Strategies for Vitamin Balance Include B12containing foods if you consume animal products
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