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Not all patients benefit equally
Fatigue and Headaches : A few individuals report feeling tired or experiencing headaches after receiving the injections, although these symptoms are typically transient
A deficiency of vitamin B12 can also cause shortness of breath or heart palpitations, as well as gastrointestinal symptoms including constipation, diarrhea, appetite loss, or gas
While vitamin B12 is found naturally in a healthy diet, factors like stress and poor eating habits can lead to a deficiency
Off / washout (after the block): A typical research framing runs a defined block (commonly 812 weeks) followed by an off period before any subsequent block, rather than indefinite continuous use because long-term human data simply do not exist
Teahon 1991)
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