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Adults usually get 1000 mcg (1 mL) of Vitamin B12
Your body relies on B12 for: Forming healthy red blood cells, which carry oxygen to every part of you
Not having enough B12 can cause tiredness, tingling, memory issues, or mood shifts
The most widespread indicators include unexplained muscle weakness, a constantly sore or swollen tongue, chronic brain fog, tingling sensations or pins and needles in your hands and feet, persistent mood shifts, and a pale or yellowish skin tint
This keeps vitamin B12 levels stable