No goodsciencebio.com code is live right now — codes drop out of this list the moment they expire, so nothing shown here is ever dead. New codes appear the same day the shop submits them.
Independent HPLC results on file for this shop. Verify quality before redeeming a code.
| DATE | PEPTIDE | PURITY | TESTING LAB | |
|---|---|---|---|---|
| Jun 12, 2026 | Retatrutide | 99.8%HPLC | Vanguard Laboratory | View COA → |
| May 27, 2026 | Cartalax | 99.5%HPLC | Vanguard Laboratory | View COA → |
| May 27, 2026 | Cartalax | 99.0%HPLC | Vanguard Laboratory | View COA → |
| May 27, 2026 | BPC-157 | 99.5%HPLC | Vanguard Laboratory | View COA → |
| May 27, 2026 | SELANK | 99.0%HPLC | Vanguard Laboratory | View COA → |
There is no active goodsciencebio.com code right now — codes leave this list automatically the moment they expire, so nothing shown here is dead. Shops publish new codes through their dashboard and they go live the same day; check back, or browse the shop profile in the meantime.
goodsciencebio.com has not published a code on Peptigrity in the past 12 months. New codes go live the same day the shop submits them, so this page reflects the current state rather than a cached copy — there is no need to hunt for codes elsewhere that may be dead or fabricated.
goodsciencebio.com holds a trust score of 50/100 on Peptigrity, based on 42 independent lab tests averaging 99.3% HPLC purity. See the full shop profile for every test and review, and our methodology for how the score is calculated.
Tell us through site feedback — community-reported dead codes are removed the same day, and expired codes drop off on their own. Peptigrity earns no commission on redemptions, so there is no incentive to keep a dead code listed.