
- Longevity
- Weight management
- Metabolic health
Dr. Benjamin H. Krasne, M.D.
A board-certified physician who brings a rigorous, pharmacology-driven lens to longevity medicine and weight management.
Standard physical labs cover ~15 markers and miss the ones that matter for long-term health. Modern biomarker testing — ApoB, Lp(a), fasting insulin, hsCRP, advanced hormones, biological age — gives you the actual signal. Comprehensive testing + clinician interpretation.
A biomarker is any measurable biological signal that tracks health, disease risk, or treatment response. The right panel changes the practice of medicine for you.
The biomarker revolution in medicine over the last decade has been quiet but profound. Twenty years ago, the standard labs run during an annual physical — basic CBC, basic metabolic panel, standard lipids, sometimes TSH — represented the practical limits of what could be tracked cost-effectively. Today, we can measure ApoB (the actual atherogenic particle count, far more predictive than LDL-C), Lp(a) (a genetic cardiovascular risk factor everyone should test once), fasting insulin (the metabolic marker that moves a decade before glucose does), hsCRP (chronic inflammation), advanced lipoproteins, full hormone panels, vitamin status, mineral status, and biological age via DNA methylation — all for a few hundred dollars.
The result: you can identify cardiovascular risk decades before symptoms, catch insulin resistance long before diabetes, address hormone optimization with real data, and track interventions with objective endpoints. Members who run comprehensive biomarker panels routinely find things they didn't know they had — elevated Lp(a), subclinical hypothyroidism, low B12 or vitamin D, elevated homocysteine, or a fasting insulin pattern pointing toward future diabetes. Each of these is treatable; each, untreated, contributes to accelerated aging.
HealifyNow's biomarker program is built around three principles: measure comprehensively (because the most important findings are often the unexpected ones), interpret carefully (a number means little without clinical context), and re-test what you're acting on (to verify the interventions are working). Your clinician reviews every result, builds a written protocol, and re-tests at appropriate intervals.
Subclinical metabolic and hormonal shifts begin earlier than most people realize. The earlier you measure, the earlier you can act.
Real protocols require real data. The biomarker panel is the foundation.
Fatigue, brain fog, low libido, stalled weight — most have lab signatures. Standard panels miss them.
On TRT, HRT, GLP-1, or other ongoing treatment? Biomarker tracking is how you know it's working at the right levels.
From your first message to your medication arriving at your door — clinician-guided, every step.
A care team member meets with you to understand your goals, medical history, and treatment preferences. The first visit is no-cost and no-commitment — we want you to be confident before moving forward.
Connect by secure video or phone with a U.S.-licensed physician or nurse practitioner who reviews your full picture — labs, prior treatments, current medications, and lifestyle — and decides what is clinically appropriate.
If your clinician determines treatment is right for you, they issue a prescription that goes to a licensed U.S. pharmacy. We coordinate discreet shipping, or you can fill it locally. Follow-up visits are built in.
ApoB. Apolipoprotein B is the protein on the surface of every atherogenic particle (LDL, VLDL, IDL, Lp(a)). One ApoB per particle. Counting ApoB measures actual atherogenic particle burden — substantially more predictive than LDL-C. Target depends on cardiovascular risk; most longevity-oriented members aim for ApoB < 60-80 mg/dL.
Lp(a). Lipoprotein(a) is a genetic cardiovascular risk factor. ~20% of the population has elevated Lp(a) and most don't know it. The level doesn't change much through life, so you only need to test it once. Elevated Lp(a) is associated with substantial increase in cardiovascular event risk.
Fasting insulin. Rising fasting insulin precedes rising fasting glucose by years to a decade. Catches insulin resistance well before diabetes. Optimal level varies; the trend matters more than the absolute number.
hsCRP. High-sensitivity C-reactive protein. Chronic low-grade inflammation drives most age-related disease. hsCRP is the most-validated inflammation marker. Optimal < 1.0 mg/L.
Homocysteine. Elevated homocysteine increases cardiovascular and cognitive risk. Often responds well to methylated B-vitamins. Worth testing.
Comprehensive hormones. Testosterone (total and free), estradiol, DHEA-S, SHBG, prolactin for men. Estradiol, progesterone, testosterone, DHEA-S, SHBG, FSH, LH for women. Full thyroid (TSH, free T3, free T4, reverse T3, antibodies). These drive symptoms and they drive long-term healthspan.
Vitamin and mineral status. Vitamin D, B12, folate, ferritin (iron stores), magnesium status (RBC magnesium where available). Common deficiencies that are easy to fix.
Biological age (optional). DNA methylation panels (TruDiagnostic TruAge, DunedinPACE, GrimAge) estimate biological age and pace of aging. Useful as a tracked biomarker over 12+ month intervals.
Your clinician will review every relevant detail with you. Here are the most important points to know up front.
Biomarker testing complements your PCP relationship. Don't skip annual physicals.
Insurance generally doesn't cover comprehensive longevity-style panels. Pricing is transparent.
A panel without follow-through is data without value. The clinician review and ongoing care is the actual product.
Significant abnormalities may require cardiology, endocrinology, or other specialty care. We coordinate when needed.
All medications must be prescribed by a licensed provider based on medical necessity. Treatment is not suitable for everyone. Results may vary.
Describe what you want to learn from the panel, current concerns, current medications, family history. Your clinician confirms which panel level fits.
We send a Quest or LabCorp requisition. There are 5,000+ patient service centers across the US. Walk in, fast required for 10-12 hours (water only), draw takes 5-15 minutes. Biological age testing uses separate kits.
Standard biomarkers in 3-5 business days. Specialty markers (epigenetic age, specialty hormones) take 2-4 weeks.
Walk through every marker. Identify what's important. Build a written protocol with prescriptions, supplement recommendations, and lifestyle priorities. You leave with a clear next-90-days plan.
Markers you're actively intervening on (ApoB on a statin, HbA1c on metformin, hormones on HRT) get re-tested at 90 days. Full panel annually.
Get a fast read on whether this is worth a deeper conversation.
Patients served across the U.S.
Member satisfaction with care team
Average review rating
From visit to medication shipment
We built HealifyNow because telehealth done badly is everywhere — and telehealth done right still feels rare. Here is what makes us different.
No waiting rooms, no faxed forms, no insurance hoops. Quick consults, simple intake, prescriptions handled digitally.
Real physicians, nurse practitioners, and specialists with active licenses. Not chatbots, not offshore call centers.
Medications ship from licensed U.S. pharmacies in plain packaging. Most orders arrive in 2-5 business days.
Reach a real human seven days a week. Most messages get a clinical reply within a few hours, not days.
HealifyNow prescriptions are reviewed and authorized by independently licensed physicians — real doctors with real credentials from top medical institutions in the United States.

A board-certified physician who brings a rigorous, pharmacology-driven lens to longevity medicine and weight management.

A Columbia-trained physician and former collegiate athlete focused on metabolic function, body composition, and healthspan.

A board-certified OB-GYN and ACOG Fellow with more than four decades of experience in women's health.
Real people, real results. Names and details published with permission.
"Lp(a) of 95 — never been measured by any prior doctor. Now on appropriate prevention, aware of my actual cardiovascular risk. Worth the panel cost a hundred times over."
"Annual physical labs said 'normal' for years. HealifyNow panel found fasting insulin 16, elevated hsCRP, low vitamin D. Three interventions later, every marker has shifted."
"Biological age (DunedinPACE) baseline 1.18 (aging fast). After 14 months of protocol work — diet, GLP-1, rapamycin — retest 0.94. Number you can move is motivating."
HealifyNow makes it easy to move forward with confidence. Here are the answers to what people ask us most.
Annual physical labs typically run ~15 markers — basic CBC, basic metabolic panel, standard lipids, sometimes TSH. The HealifyNow biomarker panel runs 50-60+ markers including the ones that actually predict long-term health: ApoB, Lp(a), fasting insulin, hsCRP, full thyroid, advanced hormones, vitamin status.
Specific markers may be covered if your PCP orders them through traditional insurance. Comprehensive longevity-style panels and clinician interpretation are typically cash-pay. We're transparent about cost.
Not for first-time members. The standard panel measures the inputs you can act on. Biological age (DNA methylation) measures the integrated output and is useful when run 2-3 times over a year or two to track intervention effects.
Full panel annually. Markers you're actively intervening on (HbA1c, ApoB, hsCRP, hormone levels on replacement) every 3-6 months. Biological age every 12 months at most.
Your clinician will explain what's significant, what needs immediate action, and what may require specialty care. We coordinate with cardiologists, endocrinologists, and other specialists when results call for it.
Any Quest Diagnostics or LabCorp patient service center — 5,000+ in the US. Walk-in usually. Biological age kits ship to you for finger-prick or buccal swab depending on the test.
Yes — you receive a PDF report. Most PCPs are happy to see comprehensive labs and many find findings useful for ongoing care coordination.
45 minutes for the comprehensive review. Long enough to walk through every result, explain the patterns, answer your questions, and build your written protocol.
Book online and a licensed clinician orders the test for you, so no separate doctor's visit is needed. You then complete a quick blood draw at a Quest or LabCorp location near you.
The biomarker test is from $199, one-time. Pricing is self-pay, so you don't need insurance, and your clinician review is included.
You complete a quick blood draw at a Quest or LabCorp location near you. Your order confirmation explains exactly what to do and when.
Your instructions tell you whether fasting or any other preparation is needed. Blood panels that include glucose and lipids usually require an 8 to 12 hour fast.
Timing depends on the test. You're notified as soon as results are ready, and a licensed clinician reviews them with you.
A licensed clinician reviews every result, explains what it means in plain language, and recommends next steps, including treatment if appropriate.
Yes. Your results are stored on a HIPAA-compliant platform and shared only with you and your care team.
Book a free consultation. Comprehensive biomarkers, clinician interpretation, written protocol you can act on.