You should absolutely not drive or make other decisions at this time
For a general deficiency, many protocols start with 100 mcg injections daily or every other day for the first week
A mild stinging sensation is common with this compound because of its quinolinium chemistry
When to See a Doctor If youre experiencing persistent fatigue, neurological issues, or muscle weakness, its important to consult a GP for a blood test to confirm your B12 levels
Some foods with substantial amounts of vitamin B 12 are listed in Table 2 , along with their vitamin B 12 content in micrograms (g)
Symptoms associated with B12 deficiency may include: Persistent fatigue or weakness Memory impairment or confusion Nerve-related issues such as numbness or tingling Mood fluctuations or depression Pale or yellowish skin A B12 deficiency can affect anyone, but older adults are particularly vulnerable