Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Sea moss benefits for men: Fact checking the fertility superfood

Jan 06, 2026 · 10 min read

Sea moss has limited direct evidence for boosting testosterone or male fertility in men, but its iodine content may support thyroid function in people who are iodine-deficient. Here’s what the data supports. It also shows where the “fertility superfood” marketing goes beyond the science. “Sea moss is nutrient-dense, but it is not a magic switch ...

Does alcohol cause inflammation? What men need to know about the immune response

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Jan 04, 2026 · 11 min read

Alcohol causes systemic, dose-dependent inflammation by producing acetaldehyde and activating liver immune cells (Kupffer cells) to release pro-inflammatory cytokines such as TNF-α and IL-6, while also weakening the gut barrier so bacterial toxins can enter the bloodstream. That immune “alarm” can keep firing long after the buzz fades. It can affect blood vessels, testosterone production, ...

Does creatine cause erectile dysfunction? What the evidence says for men

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Jan 01, 2026 · 10 min read

No, creatine does not cause erectile dysfunction in men based on the current clinical evidence. The more important story is why the rumor started, what actually drives ED, and how to use creatine safely while protecting sexual performance. “When men ask me, ‘does creatine cause erectile dysfunction,’ my answer is no. In the medical literature ...

Peptides vs TRT: Which option fits your symptoms, labs, and goals?

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 31, 2025 · 11 min read

Peptides vs TRT is not a direct swap because TRT replaces testosterone while growth hormone secretagogue peptides stimulate your own growth hormone release. The right choice depends on your symptoms, your lab pattern, and whether priorities like libido, sleep, recovery, and fertility are on the table. “In clinic, the biggest mistake I see with peptides ...

How to make penis more sensitive: A urologist’s guide to restoring sensation

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 26, 2025 · 13 min read

You can often make your penis more sensitive by changing overstimulating masturbation habits, reviewing medications that blunt sensation, and treating health issues that impair nerve function and blood flow. The key is figuring out whether the problem is “training,” chemistry, circulation, or an underlying condition, then using a simple plan to restore sensation safely. “When ...