
Sea moss benefits for men: Fact checking the fertility superfood

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