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This is about resolving a deficiency rather than enhancing cognition beyond normal
Benefits typically last from one to three weeks, depending on lifestyle, diet, and individual metabolism
One common suggestion that often pops up in conversations about combating tiredness is the vitamin B12 shot
Vitamin B12 is essential for the production of melatonin, the hormone responsible for regulating sleep cycles
This may be because the ability to absorb vitamin B12 effectively Other factors Risk factors for having a vitamin B12 deficiency may include: high alcohol intake AIDS some inherited conditions How much vitamin B12 do I need
"Serum vitamin B12 concentrations and atrophic gastritis in older New Zealanders"
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