Vitamin B12
Other marker
Vitamin B12
Category: Other
Unit: pmol/L
Essential vitamin for nerve function and red blood cell production.
PED Notes
Important for energy, recovery, nerve function, and red blood cell production. Deficiency causes fatigue, neurological symptoms, and elevated homocysteine (cardiovascular risk). Critical for homocysteine metabolism alongside Folate and B6.
When low
Supplements:
- Methylcobalamin (active B12) -- 1000mcg/day sublingual
- Or B12 injections -- common in bodybuilding community for energy
Note: Ensure adequate B12 alongside Folate and B6 to keep homocysteine in check
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Frequently Asked Questions
Reference Ranges
Standard Range
150 - 750 pmol/L
VitalMetrics Range
300 - 750 pmol/L