Understanding Prolactin and Hormonal Health
Prolactin influences hormones and health. Discover what your levels reveal and when to take action.
- Published
- August 29, 2024
- Read time
- 2 min read
What is Prolactin?
Prolactin is a hormone produced by the pituitary gland and it plays various roles in both men and women, influencing reproductive health, immune function, and metabolic processes. Prolactin levels naturally fluctuate throughout the day and can be affected by factors such as stress, sleep, and exercise.
What does it asses?
Prolactin levels are assessed to help evaluate reproductive health, detect pituitary gland disorders, and investigate symptoms related to hormonal imbalances. In women, elevated prolactin can contribute to menstrual irregularities, infertility, or spontaneous milk production (galactorrhea) outside of breastfeeding. In men, abnormal prolactin levels can cause symptoms such as decreased libido, erectile dysfunction, and reduced testosterone. This test can also assist in diagnosing prolactinomas (benign pituitary tumors that produce excess prolactin) or other pituitary disorders.
How do I optimize my Prolactin levels?
Stress can elevate prolactin due to the role of cortisol in stimulating its release. Practice stress management techniques such as meditation, deep breathing exercises, or yoga to keep stress levels in check and support balanced prolactin levels. Prolactin secretion is linked to the sleep cycle, with peak levels occurring during sleep. Prioritizing 7 to 9 hours of quality sleep each night can help maintain a stable hormonal balance, including prolactin regulation. Certain nutrients, like vitamin B6 and zinc, play roles in prolactin regulation. Foods rich in B6 and zinc can be supportive. Reducing intake of stimulants such as caffeine can also help stabilize prolactin.
What do high and low levels of Prolactin mean?
Elevated prolactin, a condition known as hyperprolactinemia, can lead to symptoms such as irregular menstrual cycles, reduced libido, infertility, and spontaneous lactation in women. In men, high prolactin can result in decreased testosterone levels, leading to low libido, erectile dysfunction, and potential infertility. Low prolactin is less common and typically doesn’t cause significant health issues. In some cases, low prolactin levels can impact lactation in women postpartum but generally have limited impact on overall health in other contexts.
What a prolactin test costs
At Mito, a prolactin test is $6.12 for members and $8.57 for non-members, before a one-time draw fee in the nine to fifteen dollar range. Member pricing requires a $9 a month membership.
Lab | Test price | Draw fee |
|---|---|---|
Mito (Member) | $6.12 | $9.50-15 |
Mito (Non-Member) | $8.57 | $9.50-15 |
Mito pricing, June 2026. Confirm current pricing before ordering.
Order a prolactin test from Mito, or see the full blood test price comparison.
Related Prolactin (Women only) Resources
Women’s hormone tests
Estradiol (E2), Ultrasensitive Blood Test
Reads estrogen accurately at the very low levels found in men, postmenopausal women, and children.
Follicle-Stimulating Hormone (FSH) and Luteinizing Hormone (LH) Panel
The two pituitary hormones that drive ovulation, sperm production, and the reproductive timeline.
Sex Hormone-Binding Globulin (SHBG) Blood Test
The transport protein that decides how much of your testosterone and estradiol is actually available to tissues.
DHEA-Sulfate (DHEA-S) Blood Test
The main marker of adrenal androgen production, central to working up androgen excess.
