Does lifting weights increase testosterone?
LAST UPDATED: Nov 10, 2022
3 MIN READ
HERE'S WHAT WE'LL COVER
Testosterone is a potent hormone that helps regulate sex drive (libido), erectile function, sperm production, bone density, muscle mass, and more. Many things affect testosterone levels, but we know that exercise (especially weightlifting) plays a role.
The short answer is probably, but keep reading to understand this relationship better.
Does exercising increase testosterone?
Studies have shown exercise can lead to increases in testosterone in men. However, these are typically short-term spikes, with levels usually returning to baseline within about 30 minutes (Riachy, 2020).
In women, T level increases during exercise are less predictable. In some cases, levels may decrease after exercise (Gharahdaghi, 2021; Kong, 2016).Overall, the relationship between exercise and T levels depends on various factors, including the types of exercise, your age, gender, body composition, health, and genetics. The following exercises impact T levels differently (Riachy, 2020).
Research suggests that resistance training, also called strength training or weight training, may lead to the most significant boost in testosterone levels.
The workouts that may boost T levels involve large muscle groups at fast intervals. So, for example, biceps curls may not be enough to raise levels since the biceps are relatively small muscles. But squats or deadlifts, which engage large muscle groups, are more likely to lead to a greater increase in testosterone. Heavier weights also help build muscle (Riachy, 2020).
While we know that testosterone replacement therapy can help with muscle growth in men with low T, it’s unclear if the short-term testosterone boosts from exercise are enough to increase muscle size (Storer, 2017). Other hormones and pathways are involved. However, research does suggest these acute spikes in testosterone probably trigger a cascade of events in the body that eventually help with muscle growth (Roberts, 2018).
High-intensity interval training (HIIT)
High-intensity interval training (HIIT) combines short bursts (intervals) of strenuous cardio to boost the heart rate, with rest periods. A typical routine would be fast sprints with shorter periods of less-intense activity or rest (Hayes, 2019).
While many studies suggest resistance training may be the best way to increase testosterone levels, there is some evidence that HIIT and endurance (aerobic) training may be better for older men. One research review found that both HIIT and endurance training led to slight increases in testosterone levels in older men, while resistance training did not (Hayes, 2019).
HIIT sessions can increase short-term, acute testosterone levels. However, they also tend to increase levels of the stress hormone cortisol, which reduces testosterone and can break down muscles. Some people may need up to 24 hours for their hormones to recover from a single HIIT session (Dote-Montero, 2021).
Studies suggest that extended, high-intensity aerobic workouts can boost testosterone. However, these workouts typically increase cortisol, which reduces testosterone (Riachy, 2020).
While basic aerobic workouts are not typically linked to higher testosterone levels, this form of exercise can improve cardiovascular health, bone density, and body weight. Weight loss often increases baseline testosterone levels in men with excess body weight (Kumagai, 2016; Anderson, 2016).
How do you know if you have low testosterone?
If you’re noticing symptoms of low levels of testosterone or have risk factors like obesity, it can help to talk to your healthcare provider.
Normal testosterone levels usually fall between 300–1,000 ng/dL in men and 15–70 ng/dL in women. Both blood and saliva tests can measure T levels, and there are even at-home testosterone tests available.
How to increase testosterone
If you have low T levels and symptoms that bother you, it’s best to discuss the issue with your healthcare provider. Testosterone replacement therapy (TRT)—typically injected or applied as a gel to the skin—may be one option. Keep in mind that men naturally lose testosterone as they age, and treatment has side effects, which should factor into your decision. If TRT isn’t a good option, your provider may recommend trying Clomid, an off-label treatment for low testosterone.
Maintain a healthy weight, as excess body fat can reduce testosterone (Kumagai, 2016).
Overall, healthy lifestyle choices like exercise can improve your health, which can ultimately increase T levels naturally. If you’re trying a new workout, you should check with your healthcare provider if you have any medical conditions.
If you have any medical questions or concerns, please talk to your healthcare provider. The articles on Health Guide are underpinned by peer-reviewed research and information drawn from medical societies and governmental agencies. However, they are not a substitute for professional medical advice, diagnosis, or treatment.
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