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.

The weight loss program that actually works with your body — not against it. 🌿Most programs hand you a prescription and ...
02/19/2026

The weight loss program that actually works with your body — not against it. 🌿

Most programs hand you a prescription and call it a day. We dig deeper.

The OptIn Metabolic & Weight Optimization Program is a 12-month, physician-led journey that addresses the root causes other programs miss:

✨ Insulin resistance & hormonal imbalances
✨ Gut health & chronic inflammation
✨ Stress physiology & nutrient deficiencies
✨ Genetic personalization for lasting results

Led by a triple board-certified physician in obesity medicine, lifestyle medicine, and nutrition & human performance — this isn't a diet. It's a metabolic reset.

What's included:
→ Advanced diagnostic testing (PNOĒ, InBody, CGM, Gut Zoomer & more)
→ Evidence-based tirzepatide therapy with medical oversight
→ Quarterly physician visits + monthly coaching
→ Lean mass preservation protocols
→ Sustainable lifestyle integration

This is medicine. This is precision. This is transformation that lasts.

📩 Ready to OptIn? DM us or visit the link in bio.

Your body isn't guessing—why should your health strategy?Most people approach wellness with trial and error. We take a d...
02/13/2026

Your body isn't guessing—why should your health strategy?
Most people approach wellness with trial and error. We take a different path: precision, data, and physician-led optimization.
Our 12-month Performance Protocol isn't a one-size-fits-all plan. It's a staged, quarterly approach that builds your health blueprint layer by layer:
✅ Q1: Metabolic & Nutrient Foundation�✅ Q2: Gut Health & Absorption�✅ Q3: Hormones, Cortisol & Stress Physiology�✅ Q4: Genetics & Cognitive Performance
Each quarter, we test. We analyze. We refine. From CGM tracking to DUTCH hormone panels to genetic mapping—every protocol is tailored to your biology.
This isn't about quick fixes. It's about building sustainable, high-performance health that supports how you work, train, and live.

Ready to stop guessing and start optimizing? Let's build your protocol.

Why does it matter to work with a Wellness & Performance MD — not just a program or protocol?Because medical training ma...
02/12/2026

Why does it matter to work with a Wellness & Performance MD — not just a program or protocol?
Because medical training matters when you’re making decisions about hormones, metabolism, peptides, and long-term health.
An MD brings:
✔️ Deep clinical training in physiology and disease risk
✔️ The ability to interpret complex labs in full context
✔️ Medical screening for safety + contraindications
✔️ Prescription-level tools when appropriate
✔️ Integration of prevention, performance, and primary care principles
✔️ Ongoing monitoring — not guesswork
Optimization isn’t just about feeling better now — it’s about protecting your health long-term.
When performance care is medically guided, it’s smarter, safer, and more precise.

🎓 Headed to College Soon? Build Your Health Plan Before You Go.College is one of the biggest transitions in life — new s...
02/11/2026

🎓 Headed to College Soon? Build Your Health Plan Before You Go.
College is one of the biggest transitions in life — new schedule, new stress, new food, new sleep patterns, and total independence with health decisions. Most teens leave with a dorm checklist… but no health optimization plan.
At OptIn Health & Nutrition, we offer a Comprehensive College-Ready Health Assessment designed for teens and young adults so they leave home with clarity, confidence, and a personalized plan — not guesswork.
Our College Launch Health Program may include:
✅ Advanced functional lab testing
✅ Metabolic & body composition analysis
✅ Nutrition & fueling strategy for busy schedules
✅ Hormone & micronutrient screening when appropriate
✅ Gut health & inflammation markers
✅ Sleep & recovery optimization
✅ Stress resilience tools
✅ Supplement guidance (no random stacks — personalized only)
✅ Performance, focus, and energy support
This is about more than “not getting sick.”
It’s about helping your student think clearly, perform better, recover faster, and stay resilient during one of life’s biggest changes.
Set them up with a plan — not just a prescription card.
📍 OptIn Health & Nutrition
Precision medicine + performance lifestyle care.

Still tired — even when you’re sleeping?Low energy isn’t always about sleep — and sleep meds aren’t the answer.Poor slee...
02/10/2026

Still tired — even when you’re sleeping?
Low energy isn’t always about sleep — and sleep meds aren’t the answer.
Poor sleep can be driven by:
• Hormone imbalance
• Blood sugar swings
• Stress chemistry
• Inflammation
• Recovery deficits
• Circadian disruption
At OptIn, we focus on fixing the root causes — not masking the signal.
Our approach may include:
✔️ Addressing underlying drivers
✔️ Targeted peptides
✔️ Evidence-based supplements
✔️ Metabolic + hormone optimization
Real sleep is built — not sedated.

“Your testosterone is normal.”Then why do you still feel off?👉 Because normal is not the same as optimal.Lab “normal ran...
02/05/2026

“Your testosterone is normal.”
Then why do you still feel off?
👉 Because normal is not the same as optimal.
Lab “normal ranges” are broad averages — they include men who are older, overweight, stressed, and metabolically unhealthy. Landing at the low end of normal may keep you on the chart… but not at your best.
⚠️ Low-normal testosterone can still show up as:
• Ongoing fatigue
• Brain fog + low motivation
• Irritability or low mood
• Stubborn belly fat + muscle loss
• Reduced libido
• Slower recovery from workouts and stress
And it’s not just about how you feel now.
Over time, sub-optimal testosterone is linked with:
• Insulin resistance & metabolic issues
• Higher cardiovascular risk
• Bone loss
• Cognitive decline
You don’t have to “just live with it.”
The goal isn’t barely normal — it’s functioning at your personal best.
If symptoms don’t match your lab label, it’s time for a deeper, individualized evaluation.

✨ Testosterone in Menopause: Not Just Safe — Transformative ✨A 10-year clinical review of women treated with testosteron...
02/03/2026

✨ Testosterone in Menopause: Not Just Safe — Transformative ✨
A 10-year clinical review of women treated with testosterone pellet therapy at safe, physiologic levels showed significant improvement across all menopausal symptoms — including libido, mood, anxiety, energy, sleep, vaginal dryness, hot flashes, joint pain, and mental exhaustion.
✔️ Benefits seen across all ages
✔️ Improvement was symptom-driven, not number-driven
✔️ Therapy maintained at safe testosterone levels (generally under 200 ng/dL)
✔️ Relief was rapid and sustained
✔️ Side effects were manageable and dose-dependent
Testosterone isn’t a “male hormone.”
It’s a critical hormone for female brain, muscle, mood, metabolism, and sexual health — and ignoring it leaves many women undertreated.
At OptIn, we don’t chase lab ranges.
We optimize safe levels, real symptoms, and long-term health — guided by data and clinical judgment.

📣 New Research Highlights the Power of Personalized Hormone Support + Metabolic Medicine A recent Mayo Clinic-led study ...
02/02/2026

📣 New Research Highlights the Power of Personalized Hormone Support + Metabolic Medicine

A recent Mayo Clinic-led study found that postmenopausal women taking menopausal hormone therapy (MHT) lost ~35% more weight when also taking tirzepatide, a powerful metabolic agent used in obesity and weight management — compared with tirzepatide alone.

🌿 At OptIn Health & Nutrition, this aligns with our belief that hormone balance matters — especially during and after menopause when declining estrogen can drive visceral fat gain, changes in energy metabolism, and cardiovascular risk.

✨ Why this matters:
✅ Hormone optimization can support symptom relief and overall metabolic health.
✅ When indicated and clinically appropriate, combining hormone support with metabolic strategies may help women achieve greater, sustainable results.
✅ Personalized care — not one-size-fits-all — is the key to meaningful outcomes.

At OptIn, we individualize treatment plans based on your symptoms, labs, goals, and life stage — whether that includes hormone therapy, metabolic medicine, lifestyle support, or all of the above. Because health is integrative, not isolated. 💡

Midlife metabolism isn’t broken — it’s adapting.As estrogen shifts, your body may store fat differently, recover more sl...
01/30/2026

Midlife metabolism isn’t broken — it’s adapting.
As estrogen shifts, your body may store fat differently, recover more slowly, and rely more on sugar for fuel. Fat burn isn’t gone — it just needs the right signals to come back online. If cardio feels harder, it may be a VO₂ max issue (and yes, that’s trainable). And eating less isn’t the answer anymore — midlife bodies thrive with strength training, adequate protein, and quality sleep. Understanding the shift is the reset. ✨

At OptIn Health & Nutrition, we use the PNOE metabolic test to take the guesswork out of fat burn and weight loss—especially during menopause. By measuring your real-time metabolism, we can personalize nutrition, training, and recovery so you burn fat more efficiently, support hormonal balance, and finally see progress that matches your effort.

Patient stories like this mean everything to us. 💛This journey wasn’t just about gut health — it evolved into hormones, ...
01/27/2026

Patient stories like this mean everything to us. 💛
This journey wasn’t just about gut health — it evolved into hormones, performance, and whole-person support, without asking them to give up what they love.

At OptIn, that’s the point.
🤍 We evaluate the whole person
🤍 We focus on sustainable, real-life strategies
🤍 We collaborate as a team
🤍 We make it an inviting place to learn, heal, and optimize

Hearing that someone “never felt better” is the best validation of Medicine 3.0 done right — combining gut + hormones + lifestyle + movement to support long-term health.

Huge love to our patient community for trusting us — and shoutout to Erin & Jeannine for making the collaborative model work for real people.

Collagen peptides have exploded in popularity. You’ll now find them in:• protein powders• meal replacements• bars & snac...
01/26/2026

Collagen peptides have exploded in popularity. You’ll now find them in:
• protein powders
• meal replacements
• bars & snacks
• coffee creamers
• “beauty” supplements
• joint support formulas

That’s because collagen has some real benefits:
✨ Skin — hydration and elasticity support
✨ Joints & connective tissue — may help with comfort and recovery
✨ Hair & nails — may help strength and growth
✨ Gut lining — certain amino acids support mucosal health
So many brands are adding collagen because consumers associate it with “anti-aging” and “recovery.”

🛑 Important: Collagen ≠ Complete Protein
Even though products market collagen as protein, it’s not a complete protein:
Collagen lacks tryptophan and is low in other essential amino acids like leucine — key for:
✅ muscle protein synthesis
✅ metabolic support
✅ recovery after exercise
That means:
• Collagen alone won’t build or maintain muscle
• It doesn’t meet your essential amino acid needs
• You still need complete sources of protein every day
Complete proteins include:
✔ whey, soy, pea + rice
✔ egg, meat, fish

📌 Marketing Drives Trends
Consumers want:
• beauty benefits
• joint health claims
• “clean” or “functional” ingredients
So brands promote collagen as if it boosts protein quality — even when it doesn’t.
📌 Convenience & Cross-selling
Products that combine collagen with complete proteins can have value:
• Collagen + whey = both beauty & muscle support
• Collagen + plant protein = appealing to vegan/plant-forward consumers
📌 But Quantity Matters
If a product has 20g protein total, but 10g is collagen, the functional protein quality is less than 20g of complete protein alone. That matters for:
✔ muscle maintenance
✔ aging metabolism
✔ recovery and satiety

🎯 A Practical Rule of Thumb
When evaluating products:
✅ Prefer products where a complete protein is the dominant source
(e.g., whey, egg, soy, pea + rice)
Plus collagen is bonus, not replacement.
⚠️ Watch the label if:
• the protein number is high, but most is collagen
• the product markets “collagen protein” without other sources
• the brand implies it replaces complete protein for muscle goals

Think of insulin as a one-way-street hormone. Its main job is to move sugar from your bloodstream into your cells for en...
01/23/2026

Think of insulin as a one-way-street hormone. Its main job is to move sugar from your bloodstream into your cells for energy after you eat. When it does this, it sends a very loud and clear signal to your body: "We have plenty of energy coming in, so it's time to store fat, not burn it."

Here’s how that works:

Insulin as a "Storage" Signal: When insulin levels are high, your body is in "storage mode." It tells your fat cells to open their doors and take in any excess sugar and fat from your blood. This is how we store energy for later.

Insulin as a "Fat-Burning Blocker": This is the most important part. At the same time it's telling your body to store fat, insulin actively blocks your body from burning the fat you already have stored. It essentially locks the doors to your fat cells from the outside, so fat can't get out to be used for fuel.

Imagine your stored fat is like money in a savings account. Insulin is the bank manager who says, "We're receiving deposits right now, so the vault is sealed. No withdrawals allowed."

If your insulin is consistently elevated—often due to a diet high in sugar and refined carbohydrates, frequent snacking, or a condition called insulin resistance—your body is almost always in "storage mode." It rarely gets the signal that it's okay to switch over to "fat-burning mode."

So, even if you're eating fewer calories, your body struggles to access its own fat stores for energy because insulin is keeping them locked away. The key to losing weight is to lower your insulin levels, which finally gives your body permission to open the vault and start using that stored fat for fuel.

Address

7180 E Orchard Rd, 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

Share on Facebook Share on Twitter Share on LinkedIn
Share on Pinterest Share on Reddit Share via Email
Share on WhatsApp Share on Instagram Share on Telegram