Balloon Pea

BotanicalBest with a meal

What is it

Balloon pea (Sutherlandia frutescens), also called cancer bush or kankerbossie, is a South African medicinal plant traditionally used for diverse conditions including cancer, infections, and inflammation.

How it works

Sutherlandia frutescens contains canavanine, pinitol, GABA, and the triterpene SU1. Preclinical work suggests immune-modulating, anti-inflammatory, and possible anti-viral effects. Some early human research has explored Sutherlandia in HIV-positive and cancer patients. Clinical evidence in humans is preliminary. The South African government has historically supported research into Sutherlandia, but rigorous large-scale trials are limited.

Dosage

Traditional doses range from 200 to 800 mg per day of standardized leaf extract. Higher doses have been used in some clinical settings.

When and how to take it

Sutherlandia is typically taken with meals, dosed once or twice daily.

1 commercial form

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Sutherlandia frutescens leaf extract

Most products use a standardized aerial-parts extract.

Components absorbed in small intestine; combined activity not well characterized.

Safety

Generally well tolerated in clinical studies at standard doses. Reported side effects include mild gastrointestinal symptoms, headache, and dry mouth. Canavanine content raises theoretical concerns at very high doses.

Who should be cautious

Avoid in pregnancy and breastfeeding. People with HIV, autoimmune disease, or cancer should only use Sutherlandia under medical supervision because it can interact with other treatments.

Interactions

Theoretical interactions with antiretrovirals, immunosuppressants, and diabetes medications. Limited formal interaction data.

Frequently asked questions

Can Sutherlandia treat cancer?⌄

Despite the common name 'cancer bush,' rigorous human evidence for cancer treatment is essentially absent. Do not use as a substitute for evidence-based oncology care.

Is it safe with HIV medications?⌄

Theoretical interactions exist and clinical experience is limited. People on HIV antiretrovirals should consult their HIV specialist before use.

References

Balloon Pea on Wikidata — Wikidata link

Balloon Pea on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Balloon Pea (PubMed search) — PubMed link

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.