Do not handle a product if you cannot identify and manage the relevant risks
It does not cause photosensitivity (unlike retinoids), does not thin the skin (unlike corticosteroids), and does not require a tolerance-building period
Here, lower maintenance doses of 3-5 mg, three times per week, sustained over months and cycled appropriately, may be more aligned with the goal than high-frequency maximum doses
Vitamin B 12 deficiency Vitamin B 12 deficiency , also known as cobalamin deficiency , is the medical condition in which the blood and tissues have a lower than normal level of vitamin B 12
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