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SerenityNP Integrative Health

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Crystal Lake, IL
SerenityNP Integrative Health

Promoting Women’s Health through Functional Medicine.

Carolyn Johnson, WHNP-BC
🌱 Restoring vitality with a holistic, integrative approach! 👩‍⚕️

Services:
Functional Medicine
Bioidentical Hormone Replenishment
Women's Wellness
Preventative/Wellness Care

SerenityNP.com | 815-604-6075 Call or Text Combining traditional and functional medicine to help you experience healing and lasting joy in your health.

04/02/2026

If you feel wired but exhausted at night, it is not always “just stress.”
Progesterone has a calming effect on the brain. It supports deep sleep and emotional stability. When levels are low, the body leans more on adrenaline to keep going.

That can look like:
🌿Trouble falling asleep
🌿Night waking
🌿Cold extremities
🌿Irritability before your period

Stress chemistry and reproductive chemistry share building blocks. When life is demanding, your body prioritizes survival.
That does not mean you are broken. It means your system is adaptive!

Progesterone also naturally declines as women approach perimenopause and menopause, which is why many women notice sleep and mood changes during this time. If these symptoms feel familiar, they are worth paying attention to! DO NOT IGNORE THEM.
There are many ways to support progesterone levels and overall hormonal balance, and for some women, bioidentical hormone therapy can be truly life-changing.
If you have questions or feel like something in your body is shifting, we’re here to help you navigate it. Message us anytime - supporting women through every stage of hormone health is what we do💚

03/31/2026

Most women are never told this.
Testosterone is NOT just a male hormone. Women produce it too, just in smaller amounts. And it plays a role in far more than libido.

It impacts:
🌿Motivation and drive
🌿Mental clarity
🌿Muscle tone
🌿Metabolism
🌿Bone strength
🌿Emotional stability

When levels drop, women often feel “off” but cannot explain why.
They get told it is stress. Aging. Burnout. Lack of discipline.
BUT - sometimes it is actually hormonal. And not your fault at all.
Education matters because you cannot address what you never test.
If you have felt like your body is not responding the way it used to, there may be more to the story.
In some cases, bioidentical hormone therapy can help restore levels in a way that supports energy, strength, and clarity again.
Message us if you want to learn more💚

03/27/2026

Most women are never told there is more than one way to do hormone therapy… they’re offered a daily cream, patch, or pill and when symptoms keep coming back, they’re often told to increase the dose, switch brands, or accept that this is just what midlife feels like.

What’s rarely discussed is pellet therapy.

Pellet therapy uses tiny bioidentical hormone pellets placed just under the skin that release hormones slowly and consistently over 3–6 months. Instead of daily dosing and hormonal swings, the body receives steady support that more closely reflects natural physiology.

Why this matters:

Daily hormone products can create peaks and drops.
Pellets are designed to reduce that pattern.

Pellet therapy offers:
🌿 continuous, slow hormone delivery
🌿 personalized dosing based on labs and symptoms
🌿 no daily application or frequent fluctuations
🌿 bioidentical hormones that match the structure of what the body makes

For women, this approach is often used to support:
🔷 hot flashes and night sweats
🔷 sleep and emotional stability
🔷 libido and vaginal health
🔷 energy, focus, and resilience

For men, it’s often used to support:
🔷 healthy testosterone balance
🔷 strength and muscle maintenance
🔷 cognitive performance
🔷 sexual health and stamina

Pellet therapy isn’t new!! It’s just not commonly talked about and many women never realize it’s even an option.

If you’ve tried hormone therapy and still don’t feel like yourself, or if you were never educated on the different forms available, it may be time to learn more.

Message us to see if pellet therapy could be right for you, we’re here to answer all your questions and give you dedicated support, always.

03/26/2026

A lot of women enter their late 30s and 40s feeling like they suddenly don’t recognize themselves.
Anxiety that came out of nowhere.
Sleep that’s suddenly broken.
Crying more easily.
Feeling overwhelmed by things that never used to touch you.
Low stress tolerance.
Feeling flat, edgy, or emotionally unstable.
Many women are told it’s depression. So they’re offered antidepressants. And while medication can absolutely have a place, what often gets missed is this: perimenopause is when progesterone drops first.
Progesterone is not just a reproductive hormone. It directly affects the brain. It supports calming neurotransmitters, deep sleep, inflammation control, and emotional stability. When it declines, women can feel anxious, wired, exhausted, tearful, or unlike themselves - even if nothing in their life has changed.
That doesn’t mean it’s “all in your head.” It means your chemistry may have changed. The hopeful part is this: we understand midlife hormones far better than we used to. More women are getting properly tested. More research is being done. And there are ways to support progesterone and overall hormone balance when the root cause is identified.
This is why timing labs correctly, looking at the full hormone picture, and not guessing matters. If you’ve felt off, emotionally unsteady, or chronically exhausted and nothing has explained it, there may be more going on than you’ve been told.
Message us 💛

03/24/2026

Most women don’t realize they’re not supporting their hormones until something feels off.
If you’ve experienced low energy, mood changes, stubborn weight, poor sleep, cycle shifts, brain fog, anxiety, and/or low motivation, these are often treated like separate problems, but they’re frequently connected by the same system: hormones.

Hormone health isn’t about perfection or extreme protocols by any means. Your hormone health is built through daily inputs like how you sleep, how you eat, how you train, how you recover, how much stress your nervous system is carrying, and whether you’re actually looking at what your body is doing internally.
The hopeful part is this: hormones are responsive. When the environment improves, the signals change. And when the signals change, the symptoms often follow!

If you’re noticing changes and not getting clear answers, your hormones may be asking for support.
Message us if you’re looking to dive deeper into your hormone health!

03/20/2026

Prescribed what?... STRENGTH TRAINING!

There is so much stigma around strength training. Ladies I promise you will not “get bulky”, you will, though, alter how your body works to become a better, healthier, higher functioning version of yourself once you strength train correctly.
It’s one of the most powerful ways to support how a woman’s body functions. And you don’t need to live in the gym to do this!

There are SO MANY benefits.
This is why many women feel better, look different, and function better when they start lifting - because their biology finally has the right stimulus to function the way its made to.

9 ways you can start using this today:

1️⃣ Start with 2 days per week - pick two days on your calendar right now and block 20–30 minutes.

2️⃣ Do full-body sessions - each workout, include: a squat, a hinge, a push, and a pull. Use your body!

3️⃣ Lift heavy enough to feel it - choose a weight where the last 2–3 reps are hard to finish.

4️⃣ No weights? No problem. Use bodyweight! - jump squats, sit ups, crunches, mountain climbers, push ups, plank shoulder taps, squat pulses, jumping lunges, etc.

5️⃣Try a 20-minute strength Tabata at home - 20 sec work / 10 sec rest x8 per move
Pick 4–5 exercises (you can use the examples above)

6️⃣ Eat around 35g of protein within an hour of training - think eggs, Greek yogurt, meat, protein shake, cottage cheese.

7️⃣ Aim for a protein anchor at every meal - palm-sized portion each time to support muscle and hormones.

8️⃣ Rest for one day between hard sessions - this is when muscle and hormonal adaptation actually happens.

9️⃣ Progress one small thing each week in your workouts - one more rep, slightly more weight, or one extra set.

Strength training gives your body a reason to protect muscle, stabilize blood sugar, support hormones, and build long-term resilience. If women were prescribed this, our world would be a different place.

03/18/2026

What a mother eats during pregnancy does much more than nourish her. This food helps shape the biological environment a developing brain is built in!
New research published in Nature Metabolism is changing how we understand prenatal nutrition and neurodevelopment. In a large multi-cohort analysis, researchers found that a Western dietary pattern during pregnancy - high in saturated and animal fats, refined grains, and sugary drinks, and low in fruits, vegetables, and fish - was associated with a significantly higher risk of neurodevelopmental disorders, including ADHD and autism, in children later in life.
What makes this especially compelling is that these findings were seen across several independent mother-child cohorts, including one with nearly 60,000 participants. Researchers also looked at blood metabolites that reflect dietary patterns and found similar associations. Certain plant-based compounds appeared protective, while specific lipid metabolites were linked with greater risk.
This supports something functional and integrative medicine has long recognized: food is not just fuel. Food is information.
Nutrients influence inflammation, metabolic signaling, oxidative stress, neurotransmitter development, and how genes are expressed during early brain formation. The developing brain is highly sensitive to these biological inputs. Pregnancy is a diet-sensitive window of development.
And here is the hopeful part: this research is not about fear or perfection. It’s about opportunity.
Your diet is modifiable, and patterns can shift. Even small, consistent changes toward whole, nutrient-dense foods can meaningfully influence the internal environment a baby develops in.
Prenatal care should go beyond “just take a vitamin.” It should support real nutrition, metabolic health, and the foundations of development.
Food is not neutral.
Food is medicine.
Source: Nature Metabolism (2025)
https://www.nature.com/articles/s42255-025-01230-z
https://info.bioticsresearch.com/researchforum/western-diet-pregnancy-neurodevelopmental-health

03/16/2026

It’s brain awareness week soooo let’s talk about your brain and hormones. FYI - Your brain doesn’t run on willpower. It runs on chemistry!

Hormones like estrogen, progesterone, cortisol, insulin, and thyroid hormones directly shape mood, focus, sleep, motivation, and stress tolerance. When these systems are strained, the brain feels it first.

Mental and emotional changes are not random and not personal flaws. They are often biological signals, and the good news is biology can be supported.

Message us 💛

03/14/2026

Progesterone is a hormone your body naturally produces. It works throughout the brain and body, not just the uterus. In the brain, it functions as a neurosteroid, which is why it’s closely tied to sleep quality, emotional regulation, and stress tolerance. Which is why progestin can act very differently…
Progesterone (what your body makes):
👉🏼 Supports nervous system regulation
👉🏼 Plays a role in sleep quality and calming pathways
👉🏼 Works in the brain, bones, cardiovascular system, and immune system
Progestins are synthetic compounds designed to mimic some progesterone actions, mainly at the uterine level. They are structurally different molecules, which means they bind receptors differently and can create very different effects in the body.
Progestins (synthetic compounds):
👉🏼 Created to act primarily at the uterus
👉🏼 Do not behave the same in the brain
👉🏼 Can influence mood, inflammation, and metabolism differently
This distinction matters!!
Much of the fear around “progesterone” comes from studies that used synthetic progestins, not bioidentical progesterone. When women feel off, emotionally flat, or unwell on “progesterone,” the more accurate question is often which compound was used? Because I’ll bet it’s progestin.
This is where bioidentical hormone therapy (BHRT) comes in (and where we remove the stigma of fear around it!)
BHRT uses hormones that are structurally identical to what the body naturally produces. That structural match matters, because receptors respond to molecular shape. When the structure aligns, signaling is more physiologic and often better tolerated.
Hormones are not interchangeable.
Structure determines function.
And when hormone support is needed, choosing forms the body recognizes matters.
If you’ve ever been prescribed “progesterone” without being told which type, it’s worth asking. Because if progestin isn’t working for you, real progesterone might absolutely change the game!

03/12/2026

Get your pen and paper out ladies, this is important!📝
Most women don’t realize how deeply stress shapes their hormones. Not emotional stress alone. Biological stress. Constant stimulation. Always being “on.” Skipping rest. Pushing through exhaustion. High-intensity everything. Screens late at night. Undereating. Overtraining. Overworking. Overthinking. AH!
Your nervous system doesn’t recognize emails, deadlines, or notifications. It only recognizes one thing: threat or safety. And when the body lives in a chronic state of perceived threat, hormone production changes.
🚨Cortisol rises.
🚨Progesterone is stolen to buffer stress.
🚨Ovulation can weaken.
🚨Thyroid signaling slows.
🚨Blood sugar becomes harder to regulate.
🚨Sleep becomes lighter and more fragile.
This is why so many women feel tired but wired, anxious, puffy, emotionally reactive, foggy, stuck, burnt out, and why so many hormone panels start to shift in the 30s and 40s even when “nothing changed.”
Here’s the hopeful part: the nervous system is trainable (yay neuroplasticity!)
When the body receives consistent signals of safety - deep rest, unstructured time, slow movement, silence, sunlight, play, connection, proper fueling, and sleep - stress hormones come down. And when cortisol comes down, other hormones finally get space to recover.
Rest is not weakness. It is a biological requirement. Not all healing starts with doing more, some of it actually starts with allowing your body to stop bracing.
If you feel like your system never fully powers down, your hormones may not be broken. They may be overprotected.
Message us 💛

03/09/2026

Know your hormones! Progesterone and progestins are often talked about as if they’re interchangeable. Clinically and biologically, they are certainly not.

Progesterone is a hormone your body naturally produces. It plays roles in the brain, nervous system, reproductive tissues, immune signaling, and metabolic balance. In the brain, progesterone acts as a neurosteroid and supports calming pathways involved in sleep quality, stress tolerance, and emotional regulation. (We LOVE progesterone!)

Progestins, on the other hand, are synthetic compounds created to mimic some of progesterone’s effects, primarily at the uterus. They are structurally different molecules. Because of that, they bind receptors differently and can produce very different effects in the brain, cardiovascular system, inflammatory pathways, and metabolism.

This distinction matters.

Much of the fear around “progesterone” actually comes from data on synthetic progestins - including large historical trials that did NOT use bioidentical progesterone. When women report mood changes, weight changes, or feeling off on “progesterone,” the real question is often not whether progesterone is the problem, but which compound was used.

Hormones are not interchangeable: structure determines function.
And knowing the difference gives women better language, better questions, and better advocacy in their care.

If you’ve ever been prescribed “progesterone” without being told which type, it’s worth asking. The stigma around progesterone needs to be changed, because progesterone in BHRT is beneficial, life changing even for some women. And progestins are synthetic, which is why women can have adverse effects from them.

03/06/2026

GLP-1 medications can be incredibly helpful, but they’re not a stand-alone solution.
When weight loss slows or stops, it’s rarely because someone “isn’t trying hard enough.” In practice, it’s usually because other biological systems haven’t been addressed (cough cough, like hormones).

Here’s what we often see when someone is doing everything right and still feels stuck:
⭕insulin resistance that hasn’t fully resolved
⭕hormone shifts in perimenopause that change how the body holds fat and breaks down muscle
⭕elevated cortisol from poor sleep
⭕chronic stress
⭕Under-fueling
⭕Gradual lean muscle loss that quietly lowers metabolic rate
⭕Protein intake is often too low for what the body actually needs
⭕Dose increases end up replacing physiology instead of restoring it

GLP-1s act on one powerful pathway, BUT body composition, metabolism, and weight regulation are controlled by many interconnected systems.
When hormones, sleep, stress chemistry, and muscle health aren’t part of the conversation, plateaus are to be expected. Hormones can’t be ignored!
Automatically going higher on a dose might not fix your issue if hormones aren’t a part of the conversation. You need to understand what your body is responding to - especially in your 40s and 50s - and build a plan that supports the whole system.
Message us, we are here to help💛

Address

102 Minnie Street
Crystal Lake, IL
60014

Opening Hours

Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9:30am - 5:30pm
Friday	9am - 2pm

Website

https://www.serenitynp.com/

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