We don't know: Side effects in adults may cause nausea pain and headache. They also may interfere with blood glucose levels in diabetics. It is recommended to avoid them if you are pregnant or breast-feeding. They are a combination of leucine, isoleucine, and valine. No over-the-counter medicines are required to prove the contents are accurate. Buy only those certified by an independent laboratory like USP
Answered 8/8/2015
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