Vitamin D

Low

Vitamins · Last tested Sep 15, 2026

Current

22ng/mL

Previous

18ng/mL

Reference range

30 – 100 ng/mL

Low bound

30 ng/mL

High bound

100 ng/mL

Historical trend

Shaded band shows the reference range. Values inside are considered normal.

About this marker

This biomarker is part of your routine blood panel. Tracking it over time helps you and your provider spot trends before they become problems. A single reading outside the reference range is not always cause for concern — context, symptoms, and your full health picture matter most.

Influencing factors

Diet and nutrition
Physical activity level
Sleep quality
Stress and hydration
Medications and supplements
Genetics and age

Questions to ask your doctor

  • Is this result consistent with my previous tests?
  • Could any medication or supplement be affecting this value?
  • What lifestyle changes could move this into a healthier range?
  • When should I retest to confirm?

Your history

Sep 15, 2026

Out of range

22 ng/mL

Mar 18, 2026

Out of range

18 ng/mL

Sep 5, 2025

Out of range

23.3 ng/mL

Mar 10, 2025

Out of range

24.6 ng/mL

HealthHalo provides educational information and does not diagnose or replace professional medical advice. Always discuss lab results with a qualified healthcare provider before making changes to your treatment.