Reference Ranges
Clinical Reference
2.0 – 18.0 ng/mL
Optimal Range
5.0 – 15.0 ng/mL
Critical Range
> 200.0
ng/mL
Higher in females; elevated in pregnancy
Related Conditions
Prolactinoma
High
Hypothyroidism
High
Infertility
High
Food & Lifestyle Recommendations
😴 Sleep
Avoid excessive napping; prolactin spikes during sleep
Sleep patterns affect prolactin
🧘 Stress
Reduce chronic stress; stress elevates prolactin
Prolactin is a stress hormone
Evidence-Backed Supplements
When High
-
B6 suppresses prolactin via dopaminergic effects
P5P 100–200 mg/day Any -
Some evidence for prolactin reduction
Mixed tocopherols 400 IU/day With fat
Questions to Ask Your Doctor
- Do I need a pituitary MRI to rule out a prolactinoma? High prolactin warrants imaging
- Could medications I'm taking be causing this? Many drugs raise prolactin
Upload your blood test to see how your Prolactin compares to reference and optimal ranges.
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