The science of supplements: which vitamins actually fight male fatigue?
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 18, 2025 · 11 min read
You feel drained despite sleeping, and that second coffee isn’t touching it. Before you accept low energy as the cost of modern life, look at your biochemistry. Here is the evidence-based guide to the nutrients that power male physiology. “Fatigue in men is rarely just about lack of sleep. It is often a cellular inefficiency. ...