The first step in figuring out if testosterone therapy would be helpful is to determine what the levels are. The symptoms of low testosterone also share a lot of the same characteristics as those of depression. This article explores the association between anxiety, depression, and testosterone. Stay on top of latest health news from Harvard Medical School. While B12 is not a stimulant, adequate levels are necessary for consistent, sustainable energy throughout the day. Vitamin B12 also works alongside other B vitamins to help convert the food you eat into usable energy at the cellular level. Without adequate B12, red blood cells can become abnormally large and inefficient, leading to reduced oxygen delivery and symptoms like fatigue and weakness. Vitamin B12, also known as cobalamin, is a water-soluble vitamin that supports several critical systems in the body. Testosterone levels in males peak at 19 years and naturally decline with age. When testosterone levels are healthy, these brain chemicals remain balanced, supporting focus, resilience, and emotional steadiness. As previously mentioned, elevated testosterone levels may also contribute to mental health conditions. Following a nutritious diet and healthy lifestyle using some of the tips outlined above can help optimize testosterone levels and promote overall health. Healthy testosterone levels are also important for people assigned female at birth, along with other key hormones such as estrogen and progesterone. Restoring testosterone to a healthy range can transform not just your physical energy and performance, but also your mood and overall outlook on life. Men’s mental health often depends on keeping this hormone within a healthy range. The goal isn’t just to boost hormone levels; it’s to restore energy, emotional balance, and overall quality of life. Vitamin B12 helps your body create healthy red blood cells that carry oxygen throughout your bloodstream. To maintain healthy levels of vitamin D, try to get regular exposure to sunlight or consider taking a vitamin D3 supplement as directed by a healthcare professional. Some research shows that low vitamin D levels may be linked to lower testosterone levels. For both optimal health and hormone levels, try to manage your stress levels. A healthy balance of protein, fat, and carbs can help optimize your hormone levels and support your overall health. Interestingly, testosterone also plays an important role in female health and sexual well-being. People assigned female at birth produce testosterone but in lower quantities and have higher levels of estrogen, another hormone.