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Testosterone is the male sex hormone, however, women also produce small amounts of testosterone in their ovaries and adrenal glands. But, many factors are involved in the regulation of testosterone including a proper diet.
A healthy diet is important to maintain normal levels of testosterone because this hormone is required for gaining muscle mass, improving sexual function, promoting bone health, and boosting strength  .
Extremely low testosterone levels are linked with a number of health conditions like type 2 diabetes, heart problems, obesity, and metabolic syndrome.
So, watch out for those foods that lower your testosterone levels.
Alcohol affects the hormones involved in male reproduction. A study shows that drinking excessive alcohol could cause low testosterone levels, especially in men  . So, limit your alcohol intake to maintain normal testosterone levels.
2. Processed Foods
Processed foods like cheese, tinned vegetables, bread, cakes and biscuits are full of trans fats which have been linked to type 2 diabetes, inflammation, and heart disease. A study has found that a high intake of trans fats could lower testosterone levels and disrupt reproductive performance  .
3. Soy Products
Soy products like soy milk, miso, edamame, and tofu are known to cause a drop in testosterone levels. According to a study, soy foods are high in phytoestrogens, that mimic the effects of oestrogen in the body by altering hormone levels and reducing testosterone levels drastically  .
4. Vegetable Oil
Vegetable oils like soybean, corn, canola, and cottonseed oil contain polyunsaturated fatty acids. A study showed that consuming this unhealthy fats frequently could significantly lower testosterone levels  .
A study conducted in 31 women with PCOS showed that walnuts and almonds increased sex hormone binding globulin (SHBG) levels by 12.5% and 16%, respectively  . SHBG is a type of protein that binds to testosterone hormone, which lowers the levels of testosterone in the body  .
Spearmint and peppermint have been shown to have a direct impact on testosterone. A study showed that women who drank spearmint tea daily had a significant decline in testosterone levels  . Another study found that drinking peppermint tea had the same effect  .
Though flaxseed is rich in vitamins and minerals, it is high in lignans, which are plant compounds that bind to testosterone and excrete them out of the body  .
8. Liquorice Root
Liquorice root is used in Ayurvedic medicine to treat certain ailments. However, a study has shown that 3.5 grams of liquorice daily lowers testosterone levels in women by 32%  .
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