Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Suma (Pfaffia paniculata), often referred to as "Brazilian ginseng," has a long history of use in traditional South American medicine as a general tonic and adaptogen. Its use to support the reproductive system—such as for libido enhancement and as an aphrodisiac—derives primarily from folk traditions, especially among indigenous groups in the Amazon. Traditional healers have used suma root to promote vitality, stamina, and hormonal balance, with anecdotal reports suggesting benefits for both male and female reproductive health.

From a scientific standpoint, research on suma’s effects on the reproductive system is limited and largely preliminary. Some animal studies have indicated that certain phytochemicals in suma, such as pfaffic acid and ecdysteroids, may have adaptogenic and potentially hormone-modulating properties. However, these findings have not been robustly confirmed in human clinical trials, and direct evidence of reproductive benefits in humans is lacking. Therefore, while there are traditional uses and some early pharmacological investigations, the evidence base is not strong enough to warrant a high rating. Overall, suma’s reputation for supporting reproductive health is grounded much more in tradition than in validated scientific research.

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Nature's Sunshine 5-HTP Power
Nature's Sunshine AdaptaMax
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Nature's Sunshine SUMA (Combination)