Vitamins
Vitamin B12
Normal Range:200-900 pg/mL
Optimal Range:500-800 pg/mL
What is Vitamin B12?
Vitamin B12 is essential for nerve function, DNA synthesis, and red blood cell formation. It's found naturally in animal products and is crucial for neurological health.
Why Vitamin B12 Matters
B12 deficiency can cause irreversible nerve damage if left untreated. It's especially important for vegetarians, vegans, and older adults who may have absorption issues.
Symptoms of Low Vitamin B12
- Numbness and tingling
- Memory problems
- Fatigue
- Balance issues
- Mood changes
- Pale skin
Symptoms of High Vitamin B12
- Rarely causes symptoms
- May indicate liver disease
- Could suggest certain blood disorders
Reference Ranges
| Range Type | Minimum | Maximum | Unit |
|---|---|---|---|
| Normal Range | 200 | 900 | pg/mL |
| Optimal Range | 500 | 800 | pg/mL |