By Dr. Debra Durst, MD – Founder, RevitalyzeMDMost people who've heard of nitric oxide know it from the gym — it's the molecule behind those pre-workout "pump" supplements. At RevitalyzeMD in Knoxville, we think about nitric oxide very differently: as a genuinely...
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Melanotan II for Tanning: Is It Actually Safe?
By Dr. Debra Durst, MD – Founder, RevitalyzeMDPatients occasionally ask us about Melanotan II — sometimes nicknamed the "Barbie peptide" online — after hearing it can produce a deep, even tan, along with reported effects on appetite and libido. At RevitalyzeMD in...
PT-141 Nasal Spray vs. Injection: What’s the Difference?
By Dr. Debra Durst, MD – Founder, RevitalyzeMDMost conversations about PT-141 (bremelanotide) focus on the injectable form, but at our Knoxville practice, we're asked just as often about the nasal spray version — how it compares, whether it works as well, and which...
Laser Hair Removal: What to Expect Before, During, and After Treatment
By Dr. Debra Durst, MD – Founder, RevitalyzeMDLaser hair removal has become one of the most popular solutions for unwanted hair, offering a long-lasting alternative to shaving, waxing, and plucking. If you’re considering this treatment, understanding the process from...
Peptide Therapy Explained: Benefits, Uses and How Treatments Like Semaglutide Work
By Dr. Debra Durst, MD – Founder, RevitalyzeMDPeptide-based treatments are rapidly gaining popularity as one of the most sought-after options in modern wellness and medical care. These therapies use small, naturally occurring amino-acid chains to signal healing,...
The Truth About Melanotan: Tanning Peptide or More?
By Dr. Debra Durst, MD – Founder, RevitalyzeMDMelanotan I and Melanotan II are synthetic peptides originally developed to stimulate tanning without sun exposure. Both are non-selective melanocortin receptor agonists, mimicking the natural melanocyte-stimulating...
Fuel, Fix, Fire Up: The Power of NAD⁺ for Energy, Brain Health, and Longevity
By Dr. Debra Durst, MD – Founder, RevitalyzeMDNicotinamide adenine dinucleotide—fancy name, big impact. NAD⁺ is a coenzyme found in every cell of your body, especially in mitochondria, your cellular “powerhouses.” Think of NAD⁺ as fuel for your cells’ engines. Without...
HRT for Men: Understanding Andropause and Treatment Options
By Dr. Debra Durst, MD – Founder, RevitalyzeMDAndropause, often called male menopause, is the gradual decline of testosterone in aging men. Unlike female menopause, which happens relatively quickly, andropause develops slowly over years, typically beginning in the...
Morning Erections: What They Reveal About Your Testosterone & Sexual Health
By Dr. Debra Durst, MD – Founder, RevitalyzeMDMorning erections, scientifically called nocturnal penile tumescence (NPT), occur during REM sleep—the phase when your brain is most active. About 95% of healthy men under 50 experience them regularly. Key triggers...









