At some point in time, the average male adult would begin to notice a change in their body. Once they reach 24 or 25 years of age, they may experience more difficulty getting through a workout, building muscle, maintaining their physique, keeping their energy level high, and they may even notice a decrease in their sexual drive. This is all related to the natural process of diminished testosterone levels in the body.
Just boosting testosterone in the body is not enough; it’s important to also make sure that there is an increase in “free” testosterone. It is the free testosterone that can help a person push through a difficult workout, boost muscle mass, and experience a stronger libido.
Some testosterone boosting supplements on the market focus primarily on increasing the level of testosterone in the body. This is fine, but if that increased testosterone is being bound to SHBG (the Sex Hormone Binding Globulin) or even the protein albumin, it is not going to be helping the male subject experience an increase in strength, stamina, or libido.
King Oyster may be effective at helping to increase free testosterone levels, but not necessarily at boosting the production of testosterone in the body. It may actually help to prevent testosterone from being converted into estrogen, which is a common process.
Every human being, male and female, contain both male and female hormones (testosterone and estrogen). Part of the problem that adult males experience is either the produced testosterone is being bound to SHBG or albumin, or it is being converted into estrogen.
Understanding King Oyster
King Oyster’s technical name is Pleurotus eryngli, and is also commonly called king trumpet mushroom, French horn mushroom, king brown mushroom, and even trumpet royale. It is an edible mushroom that is native to Mediterranean climates throughout Europe, the Middle East, and North Africa. It has also been found to grow in some parts of Asia.
This mushroom has a very good shelf life, which means it can last a long time after harvest. The Japanese developed an effective cultivation method in 1993 and is popular in a variety of dishes around the world. It doesn’t have a tremendous amount of flavor or aroma when raw, but when cooked it can develop the usual mushroom flavors that can benefit a variety of dishes.
Most commonly with regard to medicinal purposes, King Oyster may contain certain chemicals that stimulate the immune system.
The Effectiveness of King Oyster
With regard to testosterone levels in the body, there has only been one research study that we found testing King Oyster on testosterone levels, but it was conducted on elk, rather than humans. How this relates to humans is up to interpretation, but we included this research study here until some research studies are conducted on human male subjects.
Conducted in 2012 by Park, Kim, et al. at the Animal Genetic Resources Station, National Institute of Animal Science in Korea, these researchers wanted to see the effect of King Oyster on elk. They performed this study on 18 elk that were provided “spent mushroom substrate” (SMS) which was derived from King Oyster. In total, there were 18 elk between 2 and 3 years old who were provided various levels of SMS. The levels were 0, 15, and 20% of a corn-wheat bran diet.
They were given this diet for a period of 80 days.
The researchers found a 20% increase in testosterone levels in the elk of the treatment group. What the researchers noted, however, was that the increase in testosterone was actually not related to a boost in production in the body, but rather the result of inhibitory effects against aramatase activity, which is known to convert testosterone into estrogen.
How this translates to human subjects is still in question, though.
(Read more about this study here.)
There will need to be at least one or two research studies conducted on human male subjects before we can definitively determine the effectiveness of King Oyster on boosting testosterone levels in the body. As a testosterone booster itself, King Oyster may not be effective, but it might be an incredibly beneficial supplement at helping to prevent the conversion of testosterone into estrogen, which may produce an increase in free testosterone in the body.
Stay tuned for updates as more research studies are found in the future related to King Oyster and testosterone levels in the body.