There's a reason why old school strong men would drink raw eggs — studies have suggested that.

Research suggests that DIM can help support a healthy balance of the sex hormones estrogen and testosterone in the body. A notable study out of Wayne State University in Indiana found that older men who had a mild zinc deficiency significantly increased their testosterone from 8.3 to 16.0 nmol/L—a 93 percent increase—following six months of zinc supplementation. While the research is still somewhat new in this area, a study out of Australia found that six weeks of supplementing with a formula containing Testofen as a major ingredient showed statistically significant increases in performance, sexual health, and satisfaction in healthy adult males.5.

In another study, men who switched from a high-fat diet (13 percent saturated fat) to a low-fat diet (5 percent saturated fat) experienced significantly lower testosterone production rates and lower circulating androgen levels.2. We have put together 56 of the best diet, supplementation, & training tips to boost testosterone levels naturally. Most supplements suck, and most natural testosterone boosters are the same laughable, ineffective mix of tribulus, daa, and fenugreek - three ingredients that have been proven by science to simply not work.

Bottom Line: Vitamin D3 supplements may boost testosterone levels, especially in the elderly and people who have low blood levels of vitamin D. Initial research in animals and humans has found that as little as 12 days of D-aspartic acid seems to increase luteinizing hormone as well as testosterone production and transportation around the body ( 4 ). When strength training to boost testosterone, you'll want to increase the weight and lower your number of reps, and then focus on exercises that work a large number of muscles, such as dead lifts or squats.

1 Likewise, research has shown that restricting dietary sources of zinc leads to top ten male enhancement pills a significant decrease in testosterone, while zinc supplementation increases it 2 - and even protects men from exercised-induced reductions in testosterone levels. The mineral zinc is important for testosterone production, and supplementing your diet for as little as six weeks has been shown to cause a marked improvement in testosterone among men with low levels. Products such as fat blockers, testosterone boosters and appetite suppressants can easily be purchased at supplement stores or through the Internet.

Two popular natural testosterone boosters, Novedex XT and 6-OXO, were shown to increase DHT production by 566 and 265 percent, respectively.