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This method allows for better absorption compared to taking oral supplements, especially beneficial for those with absorption issues.
The dosage and frequency you need depends on why you are receiving a B12 injection, what your medical situation is and how B12 shots work for you
GI side effects and heart-rate response track how fast concentration rises and how far it swings, not the weekly total
A practical protocol for training athletes: 200 mcg DSIP nightly during the 3 to 4 most intense training weeks of a mesocycle
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