March 1999 Issue

Blue-Nitro: Unsafe

Stay away from supplements containing gamma butyrolactone (GBL), warns the Food and Drug Administration. The supplements, such as Blue Nitro, Renewtrient, Revivarant, Gamma G and Remforce, are responsible for at least 55 illnesses and one death. Nearly one-third of those affected became unconscious or comatose. Other adverse effects included seizures, slowed breathing and slowed heart rate. Products containing GBL are sold in liquid and powder form via the Internet and in health food

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