Those men that took 3gm of the root daily for 8 solid weeks are said to have improvement in their sexual intercourse frequently when compared to those that did not take it. As Maca is very safe generally, research shows that it increased the blood pressure in the user that have cardiovascular disease that took 0.6 gm of the root daily. Therefore, it is highly suggested that your daily intake must be less than 1 g/kg or 1g/2.2 pounds.

The informal conversations were held with the specialist resource users and other knowledgeable people on particular ailments. The meeting places were the gardens, women group meetings, at their homes, and any other places convenient to them. Through conversations, the sources of knowledge of the healers on medicinal plants, the medicinal plants used and changes in the availability of medicinal plants were established. Those who were more knowledgeable were later followed and interviewed further especially the TBAs, and some knowledgeable men healers. Focused discussions were held with them later for formal recording. In some instances, young mothers were visited too. This was done to verify the information gathered and the spread of the indigenous knowledge (IK) in reproductive health care among the different reproductive groups particularly on ED management.

The utilisation of ethnobotanical indigenous knowledge is vital in male sexual reproductive health care delivery in western Uganda. Reproductive health care is the second most prevalent health care problem in Africa. However, this concept of reproductive health care has been focusing mainly on women disregarding men. Thus, some diseases such as sexual impotence and erectile dysfunction that deserve mention are regarded as petty though important in economic productivity, family stability and sexually transmitted diseases control including HIV/AIDS.
^Effects of Korean ginseng berry extract on sexual function in men with erectile dysfunction: a multicenter, placebo-controlled, double-blind clinical study. - Author: Department of Urology and Urological Science Institute, Yonsei University College of Medicine, Seoul, and R&D Center, Amorepacific Corporation, Gyeonggi-do, South Korea (20 Dec 2012)
This African tree has proven to be effective and considered as one of the best herbal remedies for erectile dysfunction naturally. As a matter of fact, many clinical trials usually express improvement for almost all who is facing sexual challenges as a result of depression medications. However, this is not without some noticeable side effects like anxiety, irregular heartbeat and high blood pressure.
Despite its cult following, there hasn’t been proper, objective research into its effects. One study published in the First International Journal of Andrology tested the herb out on a small group of young men and found that it did help with “mild ED.”  However, the researchers didn’t look into whether Maca could help with older patients who are suffering from more serious cases of impotence. On top of that, the study was focused on the patients’ perception of their own erectile issues. While ED can surely stem from psychological reasons, people deserve something that has a more credible history of solving the biological aspects to the problem.

If you have symptoms of ED, it’s important to check with your doctor before trying any treatments on your own. This is because ED can be a sign of other health problems. For instance, heart disease or high cholesterol could cause ED symptoms. With a diagnosis, your doctor could recommend a number of steps that would likely improve both your heart health and your ED. These steps include lowering your cholesterol, reducing your weight, or taking medications to unclog your blood vessels.
×