Consumers comfortable with research-stage ingredients who understand they are exploring cutting-edge supplementation with promising but not definitive human evidence
WADA and Competitive Sport Both components are prohibited at all times for athletes subject to the World Anti-Doping Code
Common Side Effects Nausea Diarrhea Vomiting Constipation Stomach pain Decreased appetite Headache Serious Side Effects (Less Common) Pancreatitis Gallbladder issues Kidney injury associated with dehydration from nausea or vomiting Severe allergic reactions Vision changes in type 2 diabetes patients Increased heart rate A special caution: Animal studies link oral semaglutide to a risk of thyroid C-cell tumors, leading to a boxed warning
For these patients, oral B12 supplementation (1,000-2,000 mcg daily sublingual methylcobalamin) provides comparable B12 repletion without injection
Extra caution is warranted for people with: Gastroparesis or delayed gastric emptying GLP-1 medications significantly delay gastric emptying and are generally not recommended in severe gastroparesis
Patients taking antioxidant supplements during chemotherapy should discuss this with their oncology team, as theoretical concerns exist about potential interference with treatment efficacy