#1 of 3 · 3 mg vial
Nootropic Source18% below the 3 mg median
Certificate with a batch number, no laboratory named
3 sellers, $30.0 to $40.0 per milligram, median $36.7, read 2026-09-26.
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No lab-confirmed or tier A seller at 3 mg. Cheapest of all: Nootropic Source at $30.0 per mg for 3 mg, tier B. Semaglutide 3 mg median is $36.7 per mg across 3 sellers.
#1 of 3 · 3 mg vial
Nootropic Source18% below the 3 mg median
Certificate with a batch number, no laboratory named
#2 of 3 · 3 mg vial
USA Peptide Sciencesat the median the 3 mg median
Site says it tests; no certificate could be found
#3 of 3 · 3 mg vial
Peptides Sales9% above the 3 mg median
Site says it tests; no certificate could be found
3 of 3 offers at 3 mg, sorted tier first, then price per mg.
Semaglutide 3 mg was first read on 2026-09-26. Median $36.7 per milligram across 3 sellers. A week-by-week line appears after the next finished weekly walk. One week is a snapshot, not a history.
The figure is the same ungated market median the range on this page uses: every seller found. Certificate tier still ranks the cards. The purity gate is written and off, so this is not a tested-sellers-only series.
We never charge for knowledge. No vendor has a say in what a page says. Sellers are ranked by the certificate they publish, then by price. Every size of Semaglutide · Laboratories named