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Good Science Bio

Compare 25 tracked peptides from Good Science Bio by observed price per mg. Open indexed COAs matched to the same vendor and peptide. Testimonials, star ratings, and paid placement do not affect this page.

25tracked peptides
48current listings
0price wins
18catalog matches
1named labs
May 27, 2026newest printed date
01 / paper trail

What the index can show

72%

18 of 25 tracked peptides have a current indexed document for this vendor + peptide pair.

100%

18 of 18 matched documents are dated within the last 18 months.

β‰  batch proof

The match does not link a listing to a tested lot or establish authenticity, custody, sterility, safety, or quality.

02 / current catalog

Compare Good Science Bio prices

Lowest observed cost per mg for each tracked peptide at Good Science Bio. Confirm price and stock on the vendor site.

03 / document vault

Indexed COAs

18 current vendor + peptide documents. The fields below are transcribed from those documents.

COA / 1A20977F

KPV

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
not transcribed
lot
3548201
open indexed document β†—
COA / 1E9FAA60

TB-500

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.41%
lot
3548411
open indexed document β†—
COA / 20BD8CF6

Cagrilintide

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.07%
lot
3548561
open indexed document β†—
COA / 56782ECE

Cardiogen

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
not transcribed
lot
3548573
open indexed document β†—
COA / 576B37B4

Selank

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
not transcribed
lot
3548315
open indexed document β†—
COA / 59D7A6D0

CJC-1295 (with DAC)

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99%
lot
3548543
open indexed document β†—
COA / 6361394A

Tesamorelin

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.03%
lot
3548423
open indexed document β†—
COA / 63AED365

NAD+

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
96.38%
lot
3548639
open indexed document β†—
COA / 6F741D2C

MOTS-c

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.11%
lot
3548249
open indexed document β†—
COA / 8BE66F78

Melanotan II

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.03%
lot
3548231
open indexed document β†—
COA / 8DD82C1D

Ipamorelin

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.24%
lot
3548189
open indexed document β†—
COA / 9AE57283

PT-141

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99%
lot
3548279
open indexed document β†—
COA / A46D1ADE

Thymosin Alpha-1

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.04%
lot
3548699
open indexed document β†—
COA / AAD2D52E

BPC-157

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.02%
lot
3548087
open indexed document β†—
COA / B0455C7D

Semax

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.14%
lot
3548321
open indexed document β†—
COA / CE08910A

CJC-1295 (no DAC)

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
not transcribed
lot
3548531
open indexed document β†—
COA / D7CE9169

Sermorelin

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
99.09%
lot
3548339
open indexed document β†—
COA / F1F03F97

GHK-Cu

printed test date
May 27, 2026
named lab
Vanguard Laboratory
reported purity
not transcribed
lot
3548165
open indexed document β†—
Read this before using the document list.

These records describe indexed certificate documents and transcribed fields. They cannot establish authenticity, chain of custody, vial contents, sterility, endotoxin status, safety, efficacy, or overall vendor quality. Reported purity values from different laboratories or methods are not directly comparable.