Vitamin Deficiency Risk Score

Vitamin deficiencies are common even in developed countries. Vitamin D affects approx 40% of Europeans; B12 deficiency is prevalent in vegans and older adults

The calculator uses the standard published formula for vitamin deficiency risk. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.