They determined that while studies involving animals and cell cultures, along with small human studies, suggested the peptide held potential to promote healing, "human data are extremely limited," and "rigorous, large-scale trials are lacking." The data are even more limited on TB-500
Thus, when discussing whether Glutathione Oral Liquid Safe in Pregnant or Breastfeeding women, the honest answer is: Science has not confirmed safety, so caution is recommended

Contact your GP or prescribing clinician if you experience : Severe or worsening fatigue that significantly impairs daily activities or persists beyond several weeks of treatment Extreme weakness or inability to perform usual tasks Dizziness or fainting , particularly on standing, which may indicate dehydration or blood pressure changes Persistent nausea or vomiting preventing adequate food or fluid intake Signs of dehydration : dark urine, reduced urination, dry mouth, confusion Chest pain, palpitations, or breathlessness accompanying tiredness Mood changes , including low mood or depression, which can manifest as fatigue Right upper abdominal pain, fever or yellowing of the skin/eyes , which could indicate gallbladder problems (GLP-1 medications may increase gallstone risk) For urgent but non-emergency concerns, you can contact NHS 111 for advice
Glucagon-like peptide-1 receptor agonists in diabetic kidney disease: A review of their kidney and heart protection