OptIn Health & Nutrition

OptIn Health & Nutrition OptIn Health delivers personalized wellness and performance care. We combine precision medicine with lifestyle strategies to help you thrive—inside and out.

Led by Dr. Sheri Poznanovic, triple board-certified in Obesity, Lifestyle & Nutrition Medicine.

Not all peptide therapy is created equal.As interest grows — and with increasing discussion around broader FDA approvals...
05/08/2026

Not all peptide therapy is created equal.

As interest grows — and with increasing discussion around broader FDA approvals of select peptides — it’s important to separate the science from the hype.

Peptides are not magic.
They are signaling molecules that may support processes like recovery, body composition, metabolic health, inflammation, tissue repair, and healthy aging… when used appropriately.

But the key words are: appropriately and safely.

What matters:
✔️ Physician oversight
✔️ Appropriate patient selection
✔️ Evidence-informed protocols
✔️ Pharmacy quality and sourcing
✔️ Ongoing monitoring
✔️ Realistic expectations
✔️ Integration with sleep, nutrition, exercise, and lifestyle

What doesn’t work?
❌ Social media “biohacks”
❌ Random online sourcing
❌ One-size-fits-all protocols
❌ Expecting peptides to replace foundational health habits

At OptIn, we believe precision medicine should still be… medicine.

That means individualized care, advanced testing when appropriate, safety-first protocols, and focusing on long-term health optimization — not shortcuts.

The future of medicine is becoming increasingly personalized, and peptide therapies may become an important part of that conversation. But outcomes are always better when innovation is paired with clinical expertise and accountability.

🚨 Major Shift in Women’s Health: The Black Box Warning on Hormone Therapy Is Being RemovedFor over 20 years, menopausal ...
05/07/2026

🚨 Major Shift in Women’s Health: The Black Box Warning on Hormone Therapy Is Being Removed

For over 20 years, menopausal hormone therapy (MHT) carried the FDA’s strictest warning—largely based on early 2000s data from the Women’s Health Initiative.

But here’s what the latest evidence (and this new Green Journal piece) reinforces:

👉 The risks were overgeneralized—especially for younger, healthy women
👉 Timing matters: starting therapy within 10 years of menopause or before age 60 changes the risk-benefit profile
👉 Modern formulations (especially transdermal + low-dose options) are very different from what was studied decades ago
👉 The old warning created fear, reduced access, and left many women untreated.

In 2025, the FDA began removing these warnings after a comprehensive review of updated data.

💡 The takeaway:
Hormone therapy isn’t “dangerous by default.”
It’s nuanced, individualized, and often highly beneficial when used appropriately.

⚠️ This is NOT a free-for-all:
• Risk stratification still matters
• Certain populations still require caution
• Shared decision-making is key

But this is a long-overdue correction toward evidence-based, personalized menopause care.

✨ Bottom line:
We’re finally moving from fear-based medicine → precision medicine for women

Most fat-loss supplements try to force results.Stimulants. Thermogenics. Appetite suppressants.Short-term push… without ...
04/26/2026

Most fat-loss supplements try to force results.

Stimulants. Thermogenics. Appetite suppressants.
Short-term push… without addressing the root.

But what if fat loss started deeper?

Have you tried Akkermansia+?

This next-generation probiotic works at the microbiome level to support:
• Healthy fat metabolism
• Lean body composition
• Glucose balance
• Gut-barrier integrity
• Appetite regulation & satiety
• Long-term metabolic health + longevity

Formulated with targeted ingredients like:
✔️ Akkermansia muciniphila (gut-barrier + metabolic signaling)
✔️ Selenium (antioxidant + thyroid support)
✔️ Curcumin (inflammation + metabolic health)
✔️ Vanadium (glucose metabolism support)
✔️ Lithium orotate (neuro + mood support)
✔️ Amino acid blend for metabolic efficiency

And designed with a delayed-release capsule to survive stomach acid and reach the intestines—where it actually matters.

This isn’t about forcing weight loss.
It’s about restoring metabolic balance so fat loss becomes:

➡️ More natural
➡️ More efficient
➡️ More sustainable

Because fat loss isn’t just about calories…
It’s about how your body processes and stores energy.

Support the microbiome.
Shift the outcome.

Now available at OptIn Health & Nutrition.

Biohacking… but make it actually smart.Most people think biohacking = extreme routines, expensive gadgets, or the latest...
04/22/2026

Biohacking… but make it actually smart.

Most people think biohacking = extreme routines, expensive gadgets, or the latest trend.
In reality, it’s much simpler—and much more effective.

Biohacking is about paying attention to your body and making intentional, data-driven changes.

Start with the foundation (this is where most people skip ahead):
• Sleep quality
• Sunlight & circadian rhythm
• Nutrition (protein, fiber, micronutrients)
• Strength training & movement
• Stress + recovery

If these aren’t optimized, nothing “advanced” will work the way you want.

Then layer in data (this is where it gets personalized):
• Labs (vitamin D, B12, metabolic markers)
• Body composition + metabolic testing
• CGM or other real-time feedback

This is where biohacking shifts from guessing → precision

Next: targeted support
• Nutrient optimization (not “more is better”—just what you actually need)
• Mitochondrial + energy support (hello NAD+)
• PNOĒ metabolic testing → real-time insight into how your body is actually using fuel, oxygen, and calories
• Recovery + performance strategies

And yes—peptides (the right way):
Not all peptides are created equal.

There’s a big difference between:
❌ internet “research peptides”
✅ physician-guided, compounded pharmacy–backed peptides

When used appropriately, peptides can support:
• Recovery
• Body composition
• Sleep + performance

…but they should always be:
• individualized
• medically supervised
• part of a bigger plan (not a shortcut)

The biggest mistake in biohacking?
Skipping the basics and chasing the trend.

The smartest approach:
➡️ Define your goal
➡️ Get baseline data
➡️ Change one variable at a time
➡️ Track what actually works

Bottom line:
Biohacking isn’t about doing more.
It’s about doing what actually matters—for you.

Not all microneedling is the same. 👇At OptIn, we don't just needle — we regenerate.Our Procell Microchanneling protocol ...
04/17/2026

Not all microneedling is the same. 👇

At OptIn, we don't just needle — we regenerate.

Our Procell Microchanneling protocol combines three powerhouse elements:

✦ Procell — precision microchanneling that stimulates collagen without unnecessary tearing or inflammation
✦ GHK-Cu Peptide — a copper peptide that activates collagen production, elastin formation, and wound healing
✦ Hydrinity Restorative HA Serum — medical-grade hyaluronic acid that creates the optimal environment for skin repair

The result? Skin that rebuilds from within — improving texture, tone, fine lines, acne scarring, pores, and more over weeks and months.

Results are progressive. Science-backed. Physician-directed.

📲 DM us or call 303-495-9013 to learn more about Procell microchanneling at OptIn.

#

Why Insulin Resistance Worsens in PerimenopausePerimenopause changes metabolic signaling, not just hormones. Many women ...
04/16/2026

Why Insulin Resistance Worsens in Perimenopause

Perimenopause changes metabolic signaling, not just hormones. Many women with excellent nutrition, exercise, and sleep habits still notice rising fasting insulin, increased abdominal fat, or reduced metabolic flexibility.

Here’s why:
1. Declining estrogen → reduced insulin sensitivity
Estradiol directly impacts:
• GLUT4 signaling
• mitochondrial function
• visceral fat distribution
• hepatic glucose regulation
Lower estrogen often leads to:
• increased central adiposity
• higher fasting insulin
• reduced metabolic flexibility
• higher postprandial glucose excursions

2. Relative progesterone deficiency → higher cortisol tone
Low progesterone contributes to:
• sleep disruption
• higher nighttime cortisol
• impaired glucose regulation
• increased sympathetic tone
Common pattern:
normal A1c but rising fasting insulin

3. Loss of lean muscle mass
Muscle is the primary site of glucose disposal.
Perimenopause is associated with:
• accelerated sarcopenia
• reduced mitochondrial density
• reduced insulin sensitivity

4. Increased visceral adiposity signaling
Visceral fat secretes inflammatory mediators including:
• TNF-alpha
• IL-6
• resistin
These cytokines worsen insulin signaling and metabolic flexibility.

OptIn’s approach
• Hormone optimization when appropriate
• Peptide therapy to support metabolic signaling
• Targeted nutrition strategies
• Resistance training to preserve lean muscle
• Strategic supplementation
• Continuous glucose monitoring (CGM) for personalized insight

Many perimenopausal women with excellent lifestyle habits still develop insulin resistance due to hormonal signaling changes rather than behavioral factors.
Addressing estrogen balance and preserving muscle mass often produces meaningful metabolic improvement.

Muscle loss is NOT an inevitable part of aging.But if you’re not actively protecting it—you will lose it.Starting around...
03/20/2026

Muscle loss is NOT an inevitable part of aging.
But if you’re not actively protecting it—you will lose it.

Starting around age 30, biology begins to shift:
• Decline in muscle motor units
• Preferential loss of fast-twitch fibers (critical for strength, power, and metabolic function)
• Gradual reductions in anabolic signaling

Layer on top:
• Hormonal changes
• Increasing insulin resistance
• Sedentary lifestyle patterns
…and muscle loss accelerates.

Why this matters:
Muscle is one of the most powerful predictors of health span, not just lifespan.

It directly impacts:
• Metabolic health & insulin sensitivity
• Strength, power, and fall prevention
• Recovery from illness or injury
• Long-term independence and resilience

Loss of muscle = loss of metabolic efficiency, strength, and longevity potential.

And this is where many people get it wrong—especially with weight loss.

With GLP-1 medications and rapid fat loss, we often see significant lean muscle loss if it’s not proactively addressed.

How we address this at OptIn:
We take a proactive, physiology-driven approach to preserving lean mass.

One of the tools we use is Fortetropin®, the active ingredient in MYOS MD.

Unlike standard protein supplementation, Fortetropin works upstream by targeting myostatin—the key regulator that inhibits muscle growth.

✔️ Helps reduce myostatin (removing the “brake” on muscle)
✔️ Supports increased muscle protein synthesis
✔️ Helps preserve and rebuild lean muscle during aging, weight loss, and recovery

The strategy matters:
Optimal muscle preservation isn’t one thing—it’s a system:
• Resistance training (especially targeting fast-twitch fibers)
• Adequate protein intake
• Hormonal and metabolic optimization
• Targeted support like MYOS MD

Bottom line:
Aging doesn’t cause muscle loss—inactivity and physiology left unaddressed do.

If you care about longevity, metabolic health, and performance—
muscle is the asset you cannot afford to lose.

💛 What an honor!We are beyond grateful to the Young Men's Service League Douglas County Chapter for inviting Dr. Poznano...
03/13/2026

💛 What an honor!

We are beyond grateful to the Young Men's Service League Douglas County Chapter for inviting Dr. Poznanovic to speak on a topic so close to our hearts — women's health and hormone aging.

Dr. Poznanovic shared her insights on "Current Perspectives on Hormone Aging: Rethinking Menopause, Metabolism, and the Science of Women's Health — from the WHI Study to the Future of Preventive Hormone Therapy."

These are the conversations that matter. 🙌 YMSL's commitment to leadership, service, and the powerful bond between mothers and sons is truly something special — and we're so grateful they created space for this important dialogue.

Thank you, YMSL Douglas County! 🙏✨
YMSL DougCo

The problem was never that women stopped caring about intimacy.It's that medicine stopped paying attention to it.Hormona...
03/12/2026

The problem was never that women stopped caring about intimacy.
It's that medicine stopped paying attention to it.

Hormonal shifts. Stress. Aging. They quietly steal your desire, your sensitivity, your confidence — and most doctors never bring it up.

At OptIn Health & Nutrition, we do things differently.

We've built a personalized, science-backed protocol that targets the root causes of female sexual dysfunction — not just the symptoms.

Here's what that looks like 👇

🌸 Step 1 — Hormones & Tissue Health
HRT + Estradiol/DHEA vaginal cream to restore your foundation.

💗 Step 2 — Blood Flow & Sensitivity
Tadalafil + topical intimacy creams for enhanced arousal and response.

🧠 Step 3 — Brain-Based Desire
PT-141 + Oxytocin to reignite desire at the source.

Plus nutritional support with Savor Capsules — because wellness starts from within.

Women are reporting renewed desire, stronger or***ms, and deeper intimacy. Not because something was wrong with them — but because they finally got the care they deserved.

Your plan is personalized to you. Your hormones. Your symptoms. Your goals.

✨ Two powerful new IV therapies have arrived — and your body will thank you.💉 Circulate IV — designed to boost blood flo...
03/06/2026

✨ Two powerful new IV therapies have arrived — and your body will thank you.

💉 Circulate IV — designed to boost blood flow, support heart health, and optimize cellular energy. Packed with L-Arginine, B-Complex, Magnesium & Vitamin C for results you'll feel.

💛 High-Dose Biotin IV — your secret weapon for stronger hair, glowing skin, and harder nails. Because beauty starts from within.

Both therapies bypass digestion entirely for 100% bioavailability — faster, more effective results than any supplement can deliver.

Whether you're an athlete chasing peak performance, dealing with hair thinning, or simply investing in your long-term wellness — we have a protocol for you.

📲 DM us to book your session or ask about pairing both for the ultimate wellness protocol.

Why Most People Regain Weight (And Why It’s Not About Willpower)If you’ve ever lost weight… only to regain it… this is i...
03/03/2026

Why Most People Regain Weight (And Why It’s Not About Willpower)
If you’ve ever lost weight… only to regain it… this is important.
Your body defends its weight.
Not emotionally.
Biologically.

When you lose weight, your body interprets it as potential famine and activates survival mechanisms:
▫️ Your resting metabolic rate drops more than your smaller body size predicts
▫️ Thyroid hormone levels often decrease
▫️ Sympathetic nervous system activity declines
▫️ Hunger hormone (ghrelin) rises
▫️ Satiety signals weaken
▫️ Your GI tract slows down to absorb more nutrients
▫️ Subconsciously your body decreases NEAT
▫️ Your body becomes more energy efficient

This is called metabolic adaptation.
In long-term follow-up of contestants from The Biggest Loser, participants who lost 30–50% of their body weight had metabolic rates ~500 calories/day lower than expected — even six years later.

That’s not laziness.
That’s durable physiologic adaptation.

Contrast that with participants in the CALERIE Trial, who reduced calories moderately (~14%) over two years. Their metabolic adaptation was only ~90–100 calories/day.

The difference?
Speed and severity matter.
🚫 Rapid, extreme weight loss → stronger biological pushback
✅ Gradual, structured metabolic shifts → less adaptation

Now let’s talk about exercise.
Exercise is not powerful because it “burns calories.”
Running a mile burns ~120–150 calories — easily offset by increased appetite.
But exercise does:
✔ Preserve skeletal muscle
✔ Counter metabolic efficiency
✔ Improve long-term maintenance
The National Weight Control Registry consistently shows that regular exercise is one of the strongest predictors of sustained weight loss.
Especially now — in the era of GLP-1 medications.
GLP-1s reduce appetite beautifully.
But they can also reduce lean mass if protein intake and resistance training aren’t prioritized.
Muscle is metabolic currency.

Finally — environment matters as much as biology.
The same genetics produce dramatically different obesity rates depending on food environment and physical activity patterns.
Genetics load the gun.
Environment pulls the trigger.

This is why at OptIn we don’t chase fast weight loss.
We focus on:
• Gradual metabolic recalibration
• Lean mass preservation
• Protein prioritization
• Resistance training
• Structural environmental change
• Long-term coaching and accountability

Weight loss isn’t a 6-week program.
It’s a biological negotiation.
And when you understand the science, you stop blaming yourself — and start building strategy.

Address

7180 E Orchard Road, Ste 208
Centennial, CO
80111

Alerts

Be the first to know and let us send you an email when OptIn Health & Nutrition posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Practice

Send a message to OptIn Health & Nutrition:

Share