Best sources ranked · 2026

Best HGH Fragment 176-191 Sources

15 US vendors carry HGH Fragment 176-191. Ordered below by the lab-rule score of each vendor’s certificate for HGH Fragment 176-191, then by the vendor’s published score; prices are per milligram. Synthetic peptide matching residues 176-191 at the C-terminal end of human growth hormone. Sold for laboratory research use only.

Vendors
15

Vendors

With COAs
10

With COAs

Best $/mg
$6.00

Best $/mg

New to HGH Fragment 176-191? What is HGH Fragment 176-191? Our plain-English, research-use-only guide: what it is and how to spot a verified source.

Every HGH Fragment 176-191 source, by certificate

Ordered by the lab-rule score of each vendor's certificate for this product (out of 10), then by the vendor's published score, then alphabetically. How the lab rule scores a certificate. For the market-wide picture, see our 2026 study of peptide vendor testing.

Affiliate links: we may earn a commission if you buy. It never changes a score or rank.

9.0/103 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, +0.5 purity 99.79certificate

Vendor score 7.88/10Strong

Price per mg
$8.80
Best price
$44.00 / 5mg
8.5/103 base, +2 Ethos Analytics Laboratory tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, no purity figurecertificate

Vendor score 7.88/10Strong

Price per mg
$8.20
Best price
$41.00 / 5mg
8.5/103 base, +2 SR Biolabs tier A-, +1.5 key, +1.5 key confirmed, +0.5 purity 99.82certificate

Vendor score 7.79/10Strong

Price per mg
$16.50
Best price
$32.99 / 2mg
8.5/103 base, +2 Vanguard Laboratory tier B+, +1.5 key, +1.5 key confirmed, +0.5 endotoxin, 0 purity 99.5certificate

Vendor score 6.08/10Fair

Price per mg
$6.90
Best price
$69.00 / 10mg
Shop Hello Stacks → (opens in new tab)
8.0/103 base, +2 BioRegen tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.36certificate

Vendor score 7.78/10Strong

Price per mg
$13.00
Best price
$65.00 / 5mg
8.0/103 base, +2 Bioviridian tier A-, +1.5 key, +1.5 key confirmed, 0 purity 99.6certificate

Vendor score 5.62/10Fair

Price per mg
$12.24
Best price
$61.20 / 5mg
8.0/103 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, 0 purity 99.62certificate

Vendor score 5.01/10Weak

Price per mg
$8.00
Best price
$39.99 / 5mg
6.5/103 base, +2 Freedom Diagnostics Testing tier A, +1.5 key, +1.5 key confirmed, -1.5 purity 98.65certificate

Vendor score 7.33/10Strong

Price per mg
$6.00
Best price
$30.00 / 5mg
5.0/103 base, +2 Vanguard Laboratory tier B+, no purity figurecertificate

Vendor score 6.54/10Fair

Price per mg
$8.80
Best price
$44.00 / 5mg
2.0/10SteriGenix Analytical tier D: independence not established = 2.0 flatcertificate

Vendor score 4.80/10Weak

Price per mg
$7.90
Best price
$79.00 / 10mg
Show 5 more carriers
0.0/10lab record reports FAIL = 0certificate

Vendor score 5.79/10Fair

Price per mg
$8.80
Best price
$44.00 / 5mg
0.0/10no certificatecertificate

Vendor score 5.59/10Fair

NoneNo third-party COA was publicly available at audit time
Price per mg
$9.00
Best price
$45.00 / 5mg
0.0/10no certificatecertificate

Vendor score 4.39/10Weak

NoneNo third-party COA was publicly available at audit time
Price per mg
$8.00
Best price
$40.00 / 5mg
0.0/10no certificatecertificate

Vendor score 2.13/10Poor

NoneNo third-party COA was publicly available at audit time
Price per mg
—
Best price
—
0.0/10no certificatecertificate

Vendor score 1.63/10Poor

NoneNo third-party COA was publicly available at audit time
Price per mg
$18.00
Best price
$89.99 / 5mg

“Shop” links may be affiliate links (rel="sponsored"); we may earn a commission. Affiliate status never affects any rating, rank, or gate. Disclosure.

Affiliate partners carrying HGH Fragment 176-191

Affiliate links: we may earn a commission if you buy. It never changes a score or rank.

Top partner pick

Hello Stacks8.5/10 certificate · 25% off

The highest-placed affiliate partner in the table above for HGH Fragment 176-191 (certificate 8.5/10, vendor score 6.08/10), and also the partner with the largest reader code on it (code PSR25).

Shop Hello Stacks → (opens in new tab)
Hello Stacks discount code →

HGH Fragment 176-191: Frequently Asked Questions

Who has the best HGH Fragment 176-191?

In our 2026 audit, Modern Aminos is listed first for HGH Fragment 176-191: its certificate for HGH Fragment 176-191 scores 9.0/10 on our lab rule, and its published vendor score is 7.88/10. The full ordered table is on this page.

What is the cheapest HGH Fragment 176-191 per mg?

The lowest recorded price per milligram for HGH Fragment 176-191 in our audit is the "Best $/mg" figure at the top of this page, and every carrier's price per mg is in the table. Cheapest is not the same as best: the table is ordered by certificate and vendor score, not by price.

How do you rate HGH Fragment 176-191 vendors?

Ordered by the lab-rule score of each vendor's certificate for this product (out of 10), then by the vendor's published score, then alphabetically. The certificate score is the same lab rule that builds each vendor's lab sub-score, applied to that vendor's certificate for HGH Fragment 176-191; the vendor score is the published overall score. Price per mg is shown but does not change the order. See our methodology for the lab rule.

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