Biotin deficiency is uncommon, although it may induce alopecia
The speed at which you experience a pick-me-up after a B12 injection can vary depending on a few factors: The Severity of Your Deficiency If you have a mild deficiency, you might feel a difference in energy levels within a few days to a week
In the most basic sense, it means that you have enough B12 floating around in your body, but you arent activating the B12 to be used
Dietary sources: It is mostly found in a variety of animal and dairy products such as beef liver, fish, milk, clams, eggs and fortified plant foods
Your baseline B12 level, sleep quality, and overall nutrition influence timing
B12 is included to help prevent possible deficiencies and support energy levels