Tongkat Ali
Product
Upregulating testosterone synthesis enzymes, increasing free testosterone, LH, DHEA; particularly useful during caloric deficits or low-carb diets
"Tongkat Ali, also known as longjack, upregulates several different enzymes in the steroidogenesis cascade. It helps with the conversion of multiple key steps where you synthesize testosterone. It can also slightly increase DHEA. And if you have a very high ..."
More source quotes
"Previously I've talked about Tongkat Ali taken in 400 milligram per day capsules as a means to increase the amount of free meaning unbound testosterone."
Lowering SHBG to free up testosterone
"I also take Tongkat Ali. I take one capsule of that in the early part of the day. That has lowered my sex hormone binding globulin, freeing up a bit more testosterone. It's why I like it."