Shedding 16 pounds in seven weeks is reasonably achievable without pharmaceutical help, especially since Bill was simultaneously working with a trainer and following a careful diet plan. But Kevin didn’t quit altogether—he went back to combining liraglutide with his usual testosterone injections. He stopped taking the semaglutide, and about a month later he felt normal again. So in early 2022, he decided to try semaglutide. But then he stopped taking it and gained a lot of the weight back. He isn’t trying to become a bodybuilder. It also lowers SHBG production, freeing up natural testosterone. Cortisol also rises during extreme leanness, antagonizing testosterone production. Studies on this topic looked at competition bodybuilders, athletes, military personnel, and regular people. Aim for 25–35g of protein per meal to maximize muscle protein synthesis—especially after workouts. Heavy resistance training, balanced nutrition, and quality sleep can naturally boost testosterone by 20–30%, while reducing stress-related cortisol. Designed for busy professionals and fathers, it’s efficient, sustainable, and built for long-term results. Stress causes your levels of cortisol to rise. Research shows peak production happens after 3 hours of deep sleep, so make sure you get enough uninterrupted sleep to take advantage of this natural boost. By contrast, endurance exercises like cycling for hours or running marathons can actually reduce your testosterone level. Vitamin D. Your body naturally produces vitamin D when your skin is exposed to sunlight. People who exercise had higher testosterone increases. Taking magnesium as a supplement has been shown to increase free and total testosterone values. When you get shredded, if you have good lighting and a good camera, you’ll look your biggest and leanest when flexing or lifting. Inspired by seeing fitness influencers who maintain their shredded physique year-round, a lot of people set the same goal for themselves, without realizing the dark side of it all. Below, are two progress photos from the same time frame, at the same level of leanness. Excessively high-fiber diets can lead to lower T levels. So it makes sense that a testosterone-boosting diet should be full of lean protein, healthy fats, and foods high in antioxidants, like berries and leafy greens. Taking in too many calories can lead to gains in bodyfat, which can ultimately lead to lower testosterone levels via increased levels of estrogens. Studies show that vegetarian diets lead to lower blood testosterone levels and higher amounts of "inactive" testosterone even when protein intake is the same. This may work for both sedentary people and athletes. Zinc may promote testosterone production in the testes. Taking 6 grams reduced levels. D-aspartic acid is a natural amino acid. It's also a gender-affirming treatment for people seeking more "masculine" physical characteristics, like a deeper voice and facial hair. Testosterone-boosting supplements are different from testosterone therapy. He was confident he knew what he was doing, since he’d prepared drugs in a similar way when taking human growth hormone in the past. Your doctor can prescribe testosterone therapy as part of gender-affirming treatment. Beyond puberty, a woman's body mainly converts it to estrogen. Men aren't the only ones who may benefit from testosterone boosters. When it rises, testosterone falls.