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Most patients benefit from injections every few weeks, depending on their deficiency level
That is why the protocol structure matters as much as the peptide itself, and why the decision about dose, frequency, and cycle length belongs in a clinical consultation rather than a research forum
Petrenko V, Jayanna P
Standard concierge medspa doses are 1000 mcg of methylcobalamin or hydroxocobalamin, given in the deltoid or upper outer gluteal muscle
Still, side effects from B12 supplements are possible, especially at higher doses, and include: Headache Nausea Vomiting Fatigue Weakness Diarrhea Tingling in the hands and feet Nasal spray Vitamin B12 is also available in a nasal spray
The two peptides are clinically synergistic. No controlled combination trial was identified
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