The right delivery method depends on your symptoms, health history, treatment goals, and provider guidance not personal preference alone
I am dealing with a similar situation Im so glad to have found this thread
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Low levels of B12 impair DNA synthesis, which interferes with the activation of folate and, as a result, reduces the production of normal red blood cells and subsequently impairs oxygen delivery
The lyophilized cake tolerates short ambient shipping windows because all three peptides are stable in the dry state, but the vial should be transferred to refrigeration immediately on arrival