over the counter vitamin b12 injections Cyanocobalamin Injection, 1000 mcg/mL 1mL Vial Storage Store at controlled temperature between 2° and 30°C (36° and 86°F) Vitamin B12 Shot
Description
Cycling theoretically prevents tolerance and allows natural enzyme function to reset

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This reduces potential confounding factors in research and provides a highly specific tool for metabolic studies
These findings are somewhat misleading and not all that applicable to human longevity

The third is duration and safety : short controlled studies in animals say almost nothing about what months or years of exposure would do in a human, which is precisely why the cycling section defaults to scheduled off periods rather than open-ended use
