In addition to the prevention of testosterone conversion into DHT, 5α-reductase inhibitors also prevent the formation of neurosteroids like 3α-androstanediol from testosterone, and this may have neuropsychiatric consequences in some men. Androgens like testosterone are teratogens and are known to cause fetal harm, such as producing virilization and ambiguous genitalia. The FDA now requires warnings in the drug labeling of all approved testosterone products regarding deep vein thrombosis and pulmonary embolism. In addition, an increase of 30% in deaths and heart attacks in older men has been reported. A postmarketing analysis by the manufacturer of Aveed (testosterone undeconate injection) found that POME occurred at a rate of less than 1% per injection per year for Aveed. Symptoms of POME include cough, shortness of breath, tightening of the throat, chest pain, sweating, dizziness, and fainting. Sleep is essential for your good health, and it affects your testosterone. Research has found heavy drinking over a long period of time can cause your body to make less testosterone. 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. Building muscle mass triggers your body to produce testosterone. Certain testosterone boosters have specific side effects. If you have low T, you might experience physical symptoms like erectile dysfunction, low libido, and reduced muscle mass and strength. They’re great for people who fear injections, and who don’t mind reapplying. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. Do not use a patch that appears to be damaged. Keep each patch in its sealed pouch until ready to use. However, healthy habits that boost testosterone, like getting good sleep and exercising, certainly won't hurt. Several studies showed that a high-protein diet actually decreased testosterone levels. Obesity is directly linked to low testosterone levels. The best types of exercise to increase your testosterone levels are weightlifting and high-intensity interval training (HIIT). Supplements aren't the only way to increase your testosterone levels naturally. In one yearlong study, 65 men who took 3,300 IU of vitamin D daily increased their testosterone levels by 20% over those who didn't. Long-term zinc supplementation may lead to increased testosterone levels. Zinc deficiency has been linked to low testosterone levels. However, a subsequent study showed that taking 3 grams of D-aspartic acid did not affect testosterone levels. Several types of supplements claim to increase your testosterone levels. The hormone is usually given through your skin as a gel or a patch or injected into your muscle.