After Peptide Sciences voluntarily shut down in March 2026, Pepta Labs carries the same research-grade Tirzepatide 10mg with the added benefit of independent third-party COAs available upon request
This means that a berberine dose that was appropriate at tirzepatide 2.5mg may produce excessive glucose lowering once tirzepatide reaches 10 or 15mg
A helpful way to think about it: your routine might not have changed, but your body has
SURPASS-2 directly compared tirzepatide to semaglutide 1mg, with tirzepatide producing larger A1C and weight reductions
May your doses stay accurate, your escalation stay smooth, and your results stay consistent.
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