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Description
After first puncture, the 28-day multi-dose window starts, and refrigeration at 2-8C is consistently cited as the documented best practice in community and pharmaceutical references

Luo, J., Zhang, B., Cui, L., Liu, T

Its course is not as predictable as hematologic response, but most studies show little advantage of more intensive cobalamin treatment

These are only useful in cases of true deficiency, and theres little evidence that they reverse greying in the general population

How to take glutamine