After trying a serving, Pete gave the side effects a 5 out of 5, as he didn’t notice any digestive unrest or unwanted symptoms. "Since they’re capsules, you can swallow them quickly and move on but this is definitely not something you’d want lingering in your mouth any longer than necessary." "The capsules don’t taste great, with a very earthy, mushroom-like flavor," he said, giving the taste a 2 out of 5. Speak with a healthcare professional about whether you should take testosterone. Treatment for abnormal testosterone levels will depend on several factors. Females typically have much lower testosterone levels than males. Low testosterone levels for adult premenopausal females are 10 to 55 ng/dL, and for postmenopausal females, 7 to 40 ng/dL. In combination with estrogen, testosterone helps with repairing reproductive tissues, growth, and maintaining sexual behavior. Because testosterone therapy is not suitable for everyone, the best way to increase testosterone levels is naturally. While prescription medications can help manage a variety of health conditions, they are one of the most common reasons for low testosterone. DHEA is a hormone that helps to produce testosterone and other hormones that affect body composition. Many people may turn to vitamins and supplements to boost testosterone. In fact, the same study found that long-distance runners may experience low testosterone levels. A 2017 study suggested that increasing physical activity was more beneficial than weight loss for improving testosterone levels. But if you keep having trouble getting hard enough for sex, you may be experiencing erectile dysfunction. Of course, it’s totally normal to have some difficulty getting an erection every now and then. Erectile function requires coordination between your brain, blood vessels, and nervous system. Stay on top of latest health news from Harvard Medical School. As men age, particularly after 50, natural testosterone levels can decline, leading to various physical and psychologica...As men age, particularly after 50, natural testosterone leve...Read More That said, the FDA doesn’t regulate these supplements closely, so we recommend prioritizing third-party tested testosterone boosters to help guarantee label and ingredient accuracy. Try to lower stress when possible, as well, as lower cortisol levels can negatively impact testosterone levels. Most testosterone boosters are not backed by reliable scientific evidence and typically do not produce significant increases in testosterone levels. Zinc is an essential nutrient in your body, and some studies have shown that it may help modulate testosterone levels in men.