fatigue in people with genetic disorders that prevent sufficient energy production by the body. It might provide extra energy to the heart during exercise in people with heart disease.
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diarrhea, stomach discomfort, nausea, headache, and low blood sugar.
There isn't enough information about the safety of long-term use.
Special Precautions & Warnings:Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking ribose if you are pregnant or breast-feeding. Stay on the safe side and avoid use.
Diabetes: Ribose might lower blood sugar. When used along with diabetes medications that lower blood sugar, it might make blood sugar drop too low. It's best not to use ribose if you have diabetes.
Low blood sugar (hypoglycemia): Ribose might lower blood sugar. If you already have blood sugar that is too low, don't take ribose.
Surgery: Since ribose might lower blood sugar, there is a concern that it might interfere with blood sugar control during and after surgery. Stop taking ribose at least 2 weeks before a scheduled surgery.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.