When currency conversion, cross-border shipping, and customs are factored in, Canadian retatrutide from a domestic supplier like Durham Peptides is typically competitive with US alternatives on a like-for-like quality basis and substantially faster to deliver
If you have diabetes and are taking insulin or sulfonylureas alongside GLP-1 therapy, be alert for hypoglycaemia symptoms and discuss dose adjustments with your healthcare team
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Any decision to use these medications together should be made under proper medical supervision, with your GP assessing your complete medical history and current medications
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Anyone starting or continuing a compounded GLP-1 program right now should understand the FDA's April 2026 proposal, ask their telehealth platform about pharmacy structure, and have a conversation with their clinician about contingency planning for their care if compounding availability changes