Preview data. Scores are placeholder values until our first round of testing is complete. They are not measurements of any vendor. Read more

Ranked 16 of 20

Biotech Peptides

Established San Diego vendor with public, lot-matched certificates. The lab is not named, which is the main thing holding its trust score down.

Visit biotechpeptides.com Compare on the board

Overall score

71.1

Solid. Board median 77.9.

Purity
40% weight

76.0

4 of 6 samples passed
Trust
25% weight

75

5 of 7 checks earned in full
Delivery
20% weight

73

4 business day median
Value
15% weight

49

1.21x the market median per mg

Transparency checks

Each check is worth a fixed number of points. Together they make up the trust score of 75.

Certificates readable before checkout 20 / 20
Lot on certificate matches the vial 20 / 20
Testing lab named 0 / 12
Certificate verifies at the lab 0 / 13
Mass spec identity confirmation 10 / 10
Trading history (7 years) 10 / 10
No public enforcement actions 15 / 15

Facts

Headquarters: San Diego, CA
Ships from: United States
Trading since: 2019
Payments: Cards
Delivery: 4 business day median
Carriers: USPS, UPS. Free over $200
Testing labs: Not named on certificates
Public reviews: 4.3 average across 1,500 reviews

What stands out

Public lot-matched certificates with mass spec
Card payments without a crypto detour
Steady fill accuracy in our sample

Where it falls short

Testing lab is not named
Dispatch is slower than the leaders

Product by product

Rank is this vendor’s position among all vendors tested on that compound. Price is the listed vial normalised to dollars per milligram.

Product	Rank	Avg purity	Tests	Price	Pass score
BPC-157 Latest Jul 17, 2026	7	99.51%	1 / 1	$8.80/mg $44 / 5 mg	82.7
Ipamorelin Latest Apr 9, 2026	4	99.64%	1 / 1	$7.40/mg $37 / 5 mg	90.7
PT-141 Latest Feb 16, 2026	3	99.72%	1 / 1	$5.20/mg $52 / 10 mg	100.0
Semaglutide Latest Oct 8, 2026	3	99.60%	1 / 1	$12.6/mg $63 / 5 mg	87.8
TB-500 Latest Dec 10, 2025	9	99.40%	0 / 1	$10.4/mg $52 / 5 mg	50.1
Tesamorelin Latest May 29, 2026	7	98.60%	0 / 1	$9.00/mg $90 / 10 mg	43.2
CJC-1295 (no DAC) Listed, not yet tested	n/a	n/a	0	$9.60/mg $48 / 5 mg	n/a
GHK-Cu Listed, not yet tested	n/a	n/a	0	$0.74/mg $37 / 50 mg	n/a
Retatrutide Listed, not yet tested	n/a	n/a	0	$10.9/mg $109 / 10 mg	n/a
Tirzepatide Listed, not yet tested	n/a	n/a	0	$8.60/mg $86 / 10 mg	n/a

BPC-157 82.7

Rank 7, 1 of 1 passed, $8.80/mg
Ipamorelin 90.7

Rank 4, 1 of 1 passed, $7.40/mg
PT-141 100.0

Rank 3, 1 of 1 passed, $5.20/mg
Semaglutide 87.8

Rank 3, 1 of 1 passed, $12.6/mg
TB-500 50.1

Rank 9, 0 of 1 passed, $10.4/mg
Tesamorelin 43.2

Rank 7, 0 of 1 passed, $9.00/mg
CJC-1295 (no DAC) n/a

Rank n/a, 0 of 0 passed, $9.60/mg
GHK-Cu n/a

Rank n/a, 0 of 0 passed, $0.74/mg
Retatrutide n/a

Rank n/a, 0 of 0 passed, $10.9/mg
Tirzepatide n/a

Rank n/a, 0 of 0 passed, $8.60/mg

Test history

Every independent result we hold for Biotech Peptides, newest first. Fill is the measured quantity as a share of the label claim.

Oct 8, 2026 Semaglutide Janoshik Analytical 99.60% fill 97% Pass
Jul 17, 2026 BPC-157 Janoshik Analytical 99.51% fill 95% Pass
May 29, 2026 Tesamorelin Janoshik Analytical 98.60% fill 93% Purity below 99.5%
Apr 9, 2026 Ipamorelin Janoshik Analytical 99.64% fill 101% Pass
Feb 16, 2026 PT-141 Janoshik Analytical 99.72% fill 99% Pass
Dec 10, 2025 TB-500 Janoshik Analytical 99.40% fill 90% Purity below 99.5%