However, the FDA has still not decided whether to create new rules around the use of NAC in dietary supplements
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If youre still experiencing symptoms: Get tested immediately - see a gastroenterologist Request a 4-hour gastric emptying scan Ensure results are properly documented Get formal written diagnosis If your symptoms have resolved: More difficult to prove you had gastroparesis Current testing may show normal emptying May still have a case if you have: Medical records documenting severe symptoms during active use Hospitalization records Endoscopy reports showing food retention Doctors notes discussing gastroparesis But case will be weaker without objective diagnostic test Bottom line for gastroparesis claims: Objective testing = required (gastric emptying scan) Clinical symptoms alone = not sufficient Test must show delayed emptying at 4-hour mark Get tested while symptomatic if possible For other injuries (bowel obstruction, vision loss): Different objective evidence is required: Bowel obstruction: CT scan, X-ray, surgical records NAION: Ophthalmologist diagnosis, visual field testing, OCT imaging Complete guide to gastric emptying scans and requirements
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You can add it to your protein shake or consume separately in water or juice
Choosing the right one depends on medical guidance and specific injection needs
Importantly, these results demonstrate that in SA-deficient NahG plants overproduction of glutathione may indeed restore wild type levels of TMV resistance