Glucagon & Prolactin: The Overlooked Hormones Shaping Your Stress
Glucagon & Prolactin: The Overlooked Hormones Shaping Your Stress
ACTH and CRH: The Hidden Messengers Behind Your Stress Response
Most of us have heard of cortisol and adrenaline when we talk about stress. But they aren’t the whole story. Two quieter hormones — glucagon and prolactin — work in the background, quietly influencing your blood sugar, immunity, and even your emotional resilience.
You might not feel them spiking the way you do adrenaline, but you’ll feel their effects: the mid‑afternoon crash, the sugar craving you can’t explain, the emotional sensitivity that seems to come out of nowhere. These hormones are subtle — but they matter.
Glucagon: Your Blood Sugar Lifeline
Glucagon is made by your pancreas. It’s the partner — and sometimes the counterweight — to insulin. While insulin stores away sugar after a meal, glucagon releases it when you need energy fast.
In a moment of sudden stress — slamming on the brakes, getting bad news, stepping onto a stage — glucagon pulls sugar from your liver and floods your bloodstream so your muscles and brain have fuel to react. Without it, your body wouldn’t have the instant energy needed to respond to danger.
But when stress doesn’t let up, glucagon doesn’t either. And that’s when problems start. Constant glucagon release means constant sugar spikes and crashes. Clients often describe it like this: “I eat breakfast, but by 10 a.m. I’m shaky and craving coffee or something sweet.” It’s not about willpower; it’s your hormones trying to keep up.
Prolactin: More Than a Postpartum Hormone
Prolactin is famous for its role in breastfeeding, but it also rises during emotional stress — especially when you’re under pressure or facing unresolved grief. In healthy amounts, it helps your immune system adapt and your emotions process big events.
But chronic stress tells prolactin to stay high. That’s when it can shift from supportive to disruptive. Elevated prolactin can leave you feeling emotionally raw, struggling with mood swings, or catching every cold that goes around. For some women, it can even disrupt menstrual cycles or lower libido. Men aren’t immune either; chronic stress can raise prolactin levels in them, too, often showing up as low motivation or irritability.
Why These Hormones Fly Under the Radar
People rarely get labs for glucagon or prolactin when they feel stressed — yet their effects ripple through daily life.
- Blood sugar instability: That jittery, “hangry” feeling between meals? Often glucagon misfiring.
- Mood reactivity: Feeling more on edge, quicker to tears, or emotionally fragile? Prolactin may be involved.
- Immune dips: Getting sick after every stressful week? Both hormones play a role in immune suppression when overactive.
These aren’t character flaws or failures in discipline — they’re biological signals. And learning to recognize them helps you support your body instead of fighting against it.
Bringing Glucagon and Prolactin Back Into Balance
Stabilize Blood Sugar
Glucagon’s main job is to raise blood sugar — which means what and how you eat has a huge impact. Erratic meals or refined carbs make glucagon work overtime, creating the very sugar crashes that leave you jittery or craving sweets.
- Build meals around protein and fiber. Adding Greek yogurt to fruit or pairing whole grains with eggs slows glucose swings and helps glucagon stay steady.
- Favor slow-burning carbs. Sweet potatoes, oats, and beans release glucose gradually, preventing the rollercoaster highs and lows.
- Don’t skip meals when stressed. Your body reads skipped meals as danger, which spikes glucagon and worsens cravings later. A simple protein-rich snack mid-morning can prevent that 3 p.m. crash.
Calm Emotional Stress
Prolactin rises in response to emotional strain, so calming your stress response matters as much as what you eat. Prayer, journaling, or even five quiet minutes outside can signal safety to your nervous system. Sleep is equally powerful — one night of poor sleep can raise both prolactin and cortisol.
Nourish the Brain Chemistry Behind Prolactin
While prolactin itself isn’t directly “fixed” by food, supporting the brain chemicals it interacts with makes a difference:
- Magnesium and B vitamins from leafy greens, nuts, seeds, and whole grains support GABA and dopamine, which prolactin can suppress.
- Protein-rich foods like turkey, chicken, or beans provide amino acids that support dopamine and mood regulation.
- Omega‑3 fats from salmon, chia seeds, or walnuts help calm inflammation and stabilize emotions under stress.
Address Deeper Triggers
When stress is chronic — unresolved grief, trauma, relentless pressure — glucagon and prolactin stay high no matter how clean you eat. Deeper work matters: therapy, coaching, and spiritual direction help reset the system at its roots.
Engage Recovery Hormones
Counterbalance stress chemistry by boosting oxytocin (through safe connection, meaningful touch) and GABA (through breathwork and magnesium-rich foods). These quiet the overactivation of glucagon and prolactin and help your system shift toward repair.
Seeing the Whole Picture
When clients finally understand these less‑known hormones, they often have an “aha” moment: So it’s not just cortisol?
Sugar cravings, mood swings, low immunity — things they thought were random — suddenly make sense. And once you see the pattern, you can change it. Supporting glucagon and prolactin doesn’t just steady blood sugar or calm emotions; it makes recovery from stress feel possible, not uphill.
Next Steps
In the next post, we’ll bring everything together and talk about breaking the stress loop — how to reset your entire hormonal system for calm and resilience. We’ll pull from every post in this series: daily rhythms, recovery hormones, nutrition, and the spiritual practices that help the body truly rest.
If you’re ready to start now, join my coaching newsletter for my Stress Recovery Starter Plan — the same framework I use with clients to stabilize blood sugar, restore energy, and quiet stress at its source.
