Yucca can cause loose stools at higher amounts (several times higher than the recommended amounts).5 Yucca and other saponins can cause red blood cells to burst (known as “hemolysis”) in test tubes. The level to which this occurs when the saponins are taken by mouth, if it occurs at all, is unknown. However, yucca is approved for use in foods as a foaming agent (particularly in root beer). Since there have been no reports of problems with hemolysis in root beer drinkers, yucca herbal supplements are believed to be generally safe.6 Use of yucca for more than three months consecutively is not recommended as it may interfere with the absorption of fat-soluble vitamins.7
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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2025.