Estrogen patch shortage: what are your alternatives, and is hormone pellet therapy right for you?

Dr. Gustav Lo, Founder & Chief Medical Officer of RegenCen, who grew up here and earned his medical degree from Michigan State University.

By Gustav Lo, MD | Chief Medical Officer Many women begin hormone replacement therapy using estrogen patches, one of the most commonly prescribed treatments for menopause symptoms such as hot flashes, night sweats, and sleep disturbances. Recently, many pharmacies across the United States have been affected by an estradiol patch shortage, leaving patients searching for…

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What I wish everyone knew about aging

Dr. Gustav Lo, MD, Chief Medical Officer of RegenCen, in a white lab coat

By Gustav Lo, MD | Chief Medical Officer Originally published in our Timeless magazine  Most people don’t wake up one day and feel “old.” They feel more tired than they used to. Recovery takes longer. Strength fades quietly. Weight becomes harder to manage. Motivation dips — even when sleep and stress seem unchanged. What I…

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The science was there. Women paid the price.

The science was there. Women paid the price. RegenCen article

What the FDA’s reversal means for women – and for long-term health For more than two decades, hormone replacement therapy (HRT) carried a warning that shaped medical decision-making, public perception, and women’s lives. Many were advised to avoid it. Others were never offered it at all. In late 2025, that position changed. In a widely…

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When semaglutide isn’t right for you

When semaglutide isn’t right for you at RegenCen

A note from our Chief Medical Officer | Gustav Lo, MD Weight loss is personal, and treatment should reflect that. For many patients, semaglutide is an effective option. When progress is steady and treatment feels well-tolerated, there’s every reason to continue. But not every experience is the same. Some patients reach a plateau. Others experience…

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RegenHRT: A More Precise Approach to Hormone Therapy

RegenHRT: A More Precise Approach to Hormone Therapy

Why traditional hormone therapy often falls short, and how a more precise, physician-guided approach can improve both symptoms and long-term health.   Many women today fall into two groups: those who have never taken hormone therapy and could still benefit, and those who are already on HRT but may not be getting the full benefits.…

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From hot flashes to harmony

From hot flashes to harmony at RegenCen MD

Why do so many women feel dismissed right when their bodies are changing most? Feeling hormonally “off” can manifest in a variety of ways: heavy or irregular periods, hot flashes, night sweats, restless sleep (or none!), mood swings, brain fog, and low libido. These are common symptoms women experience in their 30s and 40s, long…

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The FDA Reversed Itself on Estrogen. Why Did it Take Twenty Years?

The FDA Reversed Itself on Estrogen. Why Did it Take Twenty Years?

By: Gustav Lo, MD | Chief Medical Officer For over 20 years, the FDA told women that estrogen increases the risk of breast cancer. Definitively. Doctors (including me, for a while) repeated this. It was amplified in headlines. Hormone replacement — once widely prescribed — became rare. That all changed on November 10 2025. The…

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Peptides: buzzword or breakthrough?

Peptides: buzzword or breakthrough? Gustav Lo, MD at RegenCen

A note from our Chief Medical Officer | Gustav Lo, MD Every day we’re asked, “Do you offer peptide therapy?” The answer is yes. But most patients asking aren’t entirely sure what peptides are – they’re simply hearing more about them. Peptides are everywhere right now. They’re marketed for fat loss, longevity, muscle gain, recovery,…

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Dr. Gustav Lo’s Perspective on Testosterone & Longevity

FDA Removes HRT Black Box Warning | Trusted Menopause Experts in Traverse City

Low Testosterone in Men: A Physician’s Perspective from Dr. Gustav Lo, MD Since the FDA announced a couple months ago that black box warnings on estrogen replacement were being removed, there’s been a lot of focus on hormone replacement in women. It’s raised awareness dramatically. I have been doing public speaking events for years on…

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PRF Therapy for Arthritis: A Regenerative Approach to Joint Pain

Medical Studies Praise the Power of PRF for Arthritis for People over 40. Here’s what you should know. If you have arthritis, you’ve probably heard about cortisone shots, where steroids are injected into arthritic joints to reduce inflammation and improve function. “They (cortisone shots) work great, for a while,” says Gustav Lo, MD, RegenCen’s Chief…

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