Syringes are seen as med gear & may have set laws based on where you live
Yes, preclinical studies show it can repair the intestinal lining, reduce inflammation, and normalize gut motility core issues in IBS

Common side effects reported in clinical trials include: Gastrointestinal disturbances : cramping, diarrhoea, flatulence, constipation, and abdominal discomfort are the most frequently reported adverse effects, occurring in up to 30% of users in some studies Nausea : particularly when starting treatment or taking higher doses These effects are typically mild to moderate and often improve with continued use or dose reduction Less common but important considerations : Berberine may cause a temporary increase in bilirubin levels, which could be problematic in individuals with liver disease Berberine should not be used during pregnancy or breastfeeding due to potential risks to the foetus or infant (including theoretical risk of kernicterus in infants) Berberine is not recommended for use in children or adolescents Allergic reactions, whilst rare, can occur Significant drug interactions are a major concern: Diabetes medications : Berberine may have additive glucose-lowering effects, particularly with insulin and sulphonylureas, increasing the risk of hypoglycaemia

Resveratrol supplementation during in vitro maturation improves embryo development of prepubertal goat oocytes selected by brilliant cresyl blue staining
The recommended dosage typically ranges from 500 to 2,000 mg per day, but it's wise to start with a lower dose and gradually increase as needed
For a family medicine and cannabis-medicine practice, that distinction is the clinical takeaway: a treatment can ease a symptom and still fall short of the rehabilitation goal that brought the patient into care, which is exactly the kind of honest gap analysis this specialty needs