Feeling a little relaxed after a large meal can be normal. But if you regularly feel extremely tired after eating, especially if it’s accompanied by brain fog, shakiness, dizziness, cravings, bloating, or weakness, it may be worth looking more closely at what is happening.

Low energy. Decreased motivation. Changes in body composition. Reduced strength. Lower sex drive. When men begin experiencing symptoms like these, one of the first questions they may ask is: “Could my testosterone be low—and can I increase it naturally?”

Maybe you wake up tired even after a full night of sleep. You struggle to get through the afternoon without caffeine. Your workouts feel harder than they used to. Or perhaps you simply feel like your energy has disappeared. Feeling tired occasionally is part of being human. But persistent fatigue deserves attention, even when initial laboratory testing doesn’t reveal an obvious explanation.