• Asparagus contains vitamin E, a necessary nutrient in testosterone production.asparagus image by cherie from Fotolia.com
  
  According to the Urology Channel, testosterone production lessens as people get older. Declining testosterone may also be the result of diseases or damages to the pituitary gland. Diminished testosterone production can lead to underdevelopment in normal sexual growth. This can cause difficulty with reproduction and sexual satisfaction. However, adding certain foods to the diet may be helpful in increasing testosterone production.
  
  

Oysters

• The zinc in oysters converts estrogen to testosterone. This allows for a healthier sex life and better sperm production. Oysters can be eaten in soup or over ice.
  
  

Bananas

• Bananas contain an enzyme called bromelain. According to "Libido Increasing Food," this enzyme is supposed to improve libido in men. Bananas also have vitamin B and potassium, which encourage testosterone production. This fruit can be eaten plain and raw or cooked into bread and cookies.
  
  

Asparagus

• This vegetable is high in vitamin E, which is considered necessary to increase testosterone. Asparagus can be roasted, baked or fried.
  
  

Figs

• This fruit has amino acids that can increase testosterone production. Figs have also been known to improve sexual stamina. They can be baked into food or eaten plain.
  
  

Spinach

• This vegetable has a lot of vitamin A, which helps enhance the testosterone level in men. It is also good for energy. Spinach can be cooked or eaten raw.