arm hurts after b12 injection Vitamin B12 Shots: Do They Actually Work? sore arm after b12 injection
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We observed a tendency for a synergistic effect, as indicated by interaction indices lower than 1 of 0.52 and 0.64 for the 1:1 and 3:1 dose ratio, respectively
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No serious side effects have been reported
Most research-context use is oral capsules at 50 to 150 mg per day
