18% below the 10 mg middle price
MZ Biolabs, 2026-03-05
6 sellers, $6.50 to $14.5 per milligram, middle price $8.00, read 2026-09-30.
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Best value with a certificate: CoMo Peptides, $66.0 for 10 mg, $6.60 per mg. Cheapest of all: Profound Aminos at $6.50 per mg for 10 mg, grade C. Modified GRF 1-29 10 mg middle price is $8.00 per mg across 6 sellers.
18% below the 10 mg middle price
MZ Biolabs, 2026-03-05
13% above the 10 mg middle price
Biatlo AG, 2026-03-13
19% below the 10 mg middle price
No testing claim and no certificate found
13% below the 10 mg middle price
Site says it tests; the certificates sit behind a login or a bot wall and none could be read
51% above the 10 mg middle price
Site says it tests; no certificate could be found
81% above the 10 mg middle price
Site says it tests; no certificate could be found
6 of 6 listings at 10 mg, sorted grade first, then price per mg.
Modified GRF 1-29 10 mg was first read on 2026-09-30. Middle price $8.00 per milligram across 6 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 Modified GRF 1-29 · Laboratories named