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Skye Peptides

Skye Peptides Review

Skye Peptides reviews: 94 independent lab tests across 12 products, with a mixed lab record.

Written by the Peptide Vendor Reviews editorial team

Is Skye Peptides legit? Lab record: Mixed

How we rate
  • 94 independent tests
  • 87 of 93 lots filled to label
  • Median purity 99.6%
  • 7 of 10 products graded D or E

Some of Skye Peptides's products graded D or E. The shops below tested A or B for the same peptides.

Peptide Vendor Reviews independently tests products and verifies reviews. Public methodology, no pay-to-rank.

Better-tested options

Where Skye Peptides graded D or E, these shops' samples of the same peptide graded A or B. Ordered by grade, then price per mg. Partner status never changes the order.

TB-500

Skye Peptides: grade E

CJC-1295

Skye Peptides: grade E

Skye Peptides products we've tested

Best-graded first. Grades come from the share of each product's samples that passed purity and quantity checks. Buy links open Skye Peptides' site.

What the testing shows

Across 93 measured samples from Skye Peptides, 6 came in more than 5% under the quantity on the label (6%). Another 72 measured more than 5% over. Purity across 94 readings ran from 83.84% to 100%, median 99.6%. Samples span Dec 2024 to Sep 2026.

Under label
6/93

more than 5% short

Median purity
99.6%

83.84%–100% range

Latest sample
Sep 2026

first tested Dec 2024

Ships from
US: CA

per vendor listing

Our read on Skye Peptides

48 of Skye Peptides' 93 graded samples passed (52%), and 27% of all samples were sent in by buyers rather than by the shop.

Results are slipping: 39% passed over the latest six months, down from 55% before.

When a sample failed, the most common reason was purity under 99.5% (43 times).

Against the 302 shops with at least five graded tests, Skye Peptides' pass rate is at or above 17% of them, and it has more tests on record than 90% of them.

When and how Skye Peptides was tested

Samples per month. The darker part of each bar failed.

Labs used
TrustPointe (20), Chromate (19), Krause Analytical (16), Ichor Life Sciences (10)
Who sent the samples
buyers 27%, testing programme 73%
Batches covered
31 distinct batch numbers; 4 checked for endotoxins

Why Skye Peptides' failed samples failed

The 6 most recent failed tests, with the lab's reason.

  • GHK-Cu · Sep 29, 2026

    amount in the vial more than 35% off the label

    purity 100%fill +56%Certificate
  • Tesamorelin · Sep 21, 2026

    purity under 99.5%; amount in the vial more than 35% off the label

    purity 93.84%fill -51%Certificate
  • Ipamorelin · Sep 16, 2026

    purity under 99.5%

    purity 99.43%fill 0%Certificate
  • BPC-157 · Sep 16, 2026

    purity under 99.5%

    purity 97.97%fill +26%Certificate
  • Retatrutide · Sep 16, 2026

    purity under 99.5%

    purity 96.12%fill -11%Certificate
  • BPC-157 · Aug 27, 2026

    purity under 99.5%

    purity 98.02%fill +7%Certificate

Lab testing results

Independent results across 12 products.

94
Total lab tests
98.8%
Avg purity
100.0%
Best score
83.8%
Worst score

Individual lab tests

GHK-Cu10.0

Date

9/29/2026

Purity

100%

Quantity

50 mg → 77.92 mg

Lab

Ichor Life Sciences

Vial

White label / Silver crimp / Clear Blue cap

View certificate
Tesamorelin9.4

Date

9/21/2026

Purity

93.84%

Quantity

10 mg → 4.9 mg

Lab

Ichor Life Sciences

Vial

White label / Silver crimp / Blue cap

View certificate
Retatrutide9.6

Date

9/16/2026

Purity

96.12%

Quantity

12 mg → 10.7136 mg

Lab

Ichor Life Sciences

Vial

White label / Silver crimp / Clear Green cap

View certificate
BPC-1579.8

Date

9/16/2026

Purity

97.97%

Quantity

10 mg → 12.6434 mg

Lab

Ichor Life Sciences

Vial

White label / Silver crimp / Orange cap

View certificate
Ipamorelin9.9

Date

9/16/2026

Purity

99.43%

Quantity

10 mg → 9.96526 mg

Lab

Ichor Life Sciences

Vial

White label / Silver crimp / Blue cap

View certificate

Which Skye Peptides products tested best

Semaglutide has the strongest record, graded A or B.

Ipamorelin and Tirzepatide graded C.

Retatrutide, GHK-Cu, Mazdutide, TB-500, BPC-157, CJC-1295 and Tesamorelin graded D or E: a large share of their samples missed purity or quantity thresholds.

Buying from Skye Peptides

If you order from Skye Peptides, the A- and B-graded products are the safer picks on this record. For the weaker ones, the better-tested options on this page come from other shops.

We don't track Skye Peptides' prices yet. Shipping, payment and refund terms are on their site.

The official store is SkyePeptides.com. Check the address before you pay.

What to check before you pay

  • The lot number on the vial matches the certificate
  • The certificate names the lab and the test date
  • Fill versus label, not purity alone
  • A refund policy in writing

Track Skye Peptides

Create a free account to save this vendor, get alerts for new lab tests, and watch price changes.

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Skye Peptides: common questions

Is Skye Peptides legit?

We rate lab records, not businesses. Mixed lab record: 94 independent tests, 87 of 93 lots filled to label, median purity 99.6%, 7 of 10 products graded D or E. Each result links to its original certificate in the table above.

What do Skye Peptides reviews say?

We don't hold scored customer reviews for Skye Peptides yet. The independent lab results on this page are the evidence we have.

Which Skye Peptides peptides tested best?

We have graded 10 Skye Peptides products. Semaglutide graded A or B. Retatrutide, GHK-Cu, Mazdutide, TB-500, BPC-157, CJC-1295 and Tesamorelin graded D or E.

Is there a Skye Peptides coupon or discount code?

We don't have a verified Skye Peptides coupon or discount code. A discount changes the price, not what is in the vial.

Where does Skye Peptides ship from?

Public listings place Skye Peptides's shipping origin in US: CA. Check the shop's own shipping page before ordering, as origin can change.

Ordering from Skye Peptides?

Mixed lab record: 94 independent tests, 87 of 93 lots filled to label, median purity 99.6%, 7 of 10 products graded D or E.

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