Quick Summary
Pfaffia paniculata, commonly known as Suma or Brazilian ginseng, is a perennial herb traditionally used for various health purposes. Current clinical evidence is limited and inconclusive regarding its efficacy and safety in humans. Some low-quality evidence exists for its use in sickle cell disease, but overall clinical research is pending further robust trials.
What is it?
Suma (Pfaffia paniculata) is a perennial herb native to South America, often referred to as Brazilian ginseng due to its traditional use as a tonic. It is part of the Amaranthaceae family and used in herbal medicine for purported health-supporting properties.
Traditional Uses
Traditionally, Suma has been used to support general health, vitality, and the immune system. It has also been employed for enhancing stamina and is sometimes marketed as an adaptogen. Despite these uses, scientific validation remains limited.
Active Compounds
The phytochemistry of Pfaffia paniculata includes a range of compounds such as pfaffosides, saponins, and other bioactive substances. Specific active compounds have not been extensively characterized in human studies.
Potential Benefits with Evidence Levels
- Sickle Cell Disease: Very low-quality evidence from a single clinical trial. One low-quality trial evaluated powdered extract of Pfaffia paniculata for sickle cell disease but found uncertain effects on laboratory parameters and symptoms. No clear conclusions on efficacy can be drawn at this time.
- Reproductive System Injury (Animal Study): Preclinical evidence in mice. A related species, Pfaffia glomerata, showed protective effects against BPA-induced reproductive impairments in mice via modulation of apoptosis pathways. No human clinical data available.
- Antioxidant Activity and General Health: Preclinical and traditional use, insufficient clinical data. Some studies mention antioxidant and immunological roles of medicinal plants including Pfaffia paniculata, but human clinical evidence specifically for Suma is lacking.
Side Effects
No specific adverse effects have been reported in the limited clinical trials or reviews included. However, comprehensive safety profiling is lacking due to limited clinical evidence.
Drug Interactions
Currently, no direct evidence of drug interactions with Pfaffia paniculata has been found in clinical literature. Some herbal products may modulate cytochrome P450 enzymes and transporters, but Pfaffia paniculata has not been specifically identified as a strong modulator.
Who Should Avoid It
No reported contraindications have been identified in current clinical evidence or systematic reviews. However, due to limited safety data, caution is advised for pregnant or breastfeeding women, and individuals with underlying health conditions should consult a healthcare professional before use.
Evidence Limitations
- Few clinical trials with small sample sizes and low-quality evidence.
- Lack of randomized controlled trials specifically evaluating Pfaffia paniculata in humans.
- Most evidence derives from in vitro, animal studies, or traditional use without robust clinical validation.
- Safety, efficacy, and mechanisms are not well established in human populations.
- No comprehensive pharmacokinetic or toxicology data in humans.
References
- Oniyangi O, Cohall DH. Phytomedicines (medicines derived from plants) for sickle cell disease. Cochrane Database of Systematic Reviews. 2020. doi:10.1002/14651858.cd004448.pub7
- Xue H, Zhang S, Lu J, et al. Pfaffia glomerata Ameliorates BPA-Induced Reproductive Impairments in Mice by Suppressing Apoptosis via PI3K/AKT Signaling Activation. Europe PMC. 2025. doi:10.3390/ph18111614
- Husain I, Dale OR, Martin K, et al. Screening of medicinal plants for possible herb-drug interactions through modulating nuclear receptors, drug-metabolizing enzymes and transporters. Europe PMC. 2023. doi:10.1016/j.jep.2022.115822
Last Reviewed
June 2024
Disclaimer: This information is provided for educational purposes only and is not intended as medical advice. Always consult a healthcare professional before starting any new supplement, especially if you have underlying health conditions or are taking medications.