As always, consult with your physician before taking R-apha lipoic acid supplements. When R-alpha lipoic acid is taken at recommended doses, there aren’t any known harmful side effects that are to be expected. Only at higher doses are they noticed. Side Effects can include: upset stomach, nausea, diarrhea, flatulence. Taking greater amounts of ALA can lead to lowering of blood sugar. This could be a great thing as it may help balance your blood sugar, but care needs to be taken and you may need to test your blood sugar more often as it levels out.
R-alpha Lipoic Acid Dangers: ALA is a natural supplement and dangers for using it are almost non-existent, with few negative side effects. There have been some individuals who shown signs of allergic reactions to Alpha Lipoic Acid. Allergic reactions can include skins rashes, swelling of extremities and face, itching, chest tightness and difficulty in breathing. You should discontinue use if you have any of these symptoms.
If your are taking medication to lower blood sugar levels, such as metformin (glucophage), glyburide (DiaBeta) or glipizide (glucotrol), you will need to seek medical supervision, as there may be harmful interactions if ALA is taken with these medications.