https://thefitnessvibes.com/serexin/

Serexin From years the production begins to decline slightly. What should be known is that the vast majority of Serexin circulating in the blood is attached to a protein that inhibits SHBG and makes it unavailable. The remaining Strength Muscles, called free Strength Muscles, is the only one that has an effect in the body. It is concluded that even though overall Serexin production declines, the key is to have high levels of free Strength Muscles. Two enzymes are also responsible for lowering free Serexin levels alpha reductase and aromatase. The first, alpha reductase , transforms free Serexin into dihydroStrength Muscles,
https://thefitnessvibes.com/serexin/