Duzel et al., Stable gastric pentadecapeptide BPC 157 in the treatment of colitis and ischemia and reperfusion in rats: New insights, World J
TB 500 is a synthetic peptide corresponding to a 43 amino acid sequence of thymosin beta 4
But we also know that our commitment to quality only goes so far
Some people do have difficulties ingesting supplements, at which point a higher dosage can be prescribed (up to 10,000 mcg) by your doctor, in order to ensure you are getting the sufficient levels your body needs
Early case reports suggested that delivering NAD+ too rapidly can provoke acute symptoms

Contact your GP if: You have been found to have elevated B12 levels and have not received an explanation or follow-up plan You are taking high-dose B12 supplements without medical supervision You develop new symptoms whilst taking B12 supplements, particularly skin changes, persistent headaches, or gastrointestinal symptoms You have risk factors for liver disease (alcohol excess, viral hepatitis, obesity) and have elevated B12 You experience unexplained weight loss, night sweats, or persistent fatigue alongside elevated B12 Seek urgent medical attention if you experience: Jaundice (yellowing of skin or eyes) Severe abdominal pain or swelling Unexplained bruising or bleeding Confusion or altered consciousness Severe, persistent vomiting These symptoms may indicate serious underlying conditions such as acute liver failure, haematological emergencies, or other critical illness requiring immediate assessment