b12 spray vs injection Injections vs. Oral Supplements: Which Is Better? Vitamin B12 Tablets vs Sprays:

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insert the needle at 4590 into subcutaneous tissue [12] [13]

Future trials should also measure important outcomes such as the clinical signs and symptoms of vitamin B 12 deficiency, health related-quality of life, socioeconomic effects, and report adverse events adequately, preferably in a primary care setting. Clinical practice guidelines British Columbia Medical Services Commission (MSC)

There can be a maintenance period

While most people find this unnecessary once they develop good technique, it can be helpful for people who are especially needle-sensitive or just starting out

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