Primer sequences are listed in Supplementary Table 1
However, increased doses were associated with more adverse events, primarily gastrointestinal and cardiac or vascular in nature
MHRA advises restricted use Loperamide for diarrhoea management when appropriate, but should be avoided if blood in stools, fever, or suspected inflammatory/infectious diarrhoea Laxatives for constipation, with macrogol (polyethylene glycol) preparations typically first-line in UK practice, alongside optimising dietary fibre and hydration Dose adjustment strategies include temporarily maintaining a lower dose if gastrointestinal side effects are problematic, allowing additional time for adaptation before escalation
Most commercial insurance plans deny coverage for GLP-1 medications when prescribed solely for weight loss, though coverage for type 2 diabetes is more common
When to Think About Supplements You might need supplements if you: Are over 50, since absorption decreases with age Eat a vegetarian or vegan diet, especially for B12 Have kidney disease or absorption issues Take medications like metformin or proton pump inhibitors Can You Take B6 and B12 Together