Astro Peptides Reviews
Astro Peptides review: 29 independent lab tests across 4 products, with a mixed lab record.
Written by the Peptide Vendor Reviews editorial team
Is Astro Peptides legit? Lab record: Mixed
How we rate- 29 independent tests
- 14 of 27 lots filled to label
- Median purity 99.39%
- Both products graded C or better
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29 independent COAs · not paid-to-rank · 13 of 27 lots under label
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Astro 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 Astro Peptides' site.
- SemaglutideCOKAY
- Tests
- 7
- Passed
- 71.4%
- IpamorelinCOKAY
- Tests
- 7
- Passed
- 71.4%
- Tests
- 8
- Passed
- —
- Tests
- 7
- Passed
- —
What the testing shows
Across 27 measured samples from Astro Peptides, 13 came in more than 5% under the quantity on the label (48%). Another 12 measured more than 5% over. Purity across 29 readings ran from 55.97% to 99.97%, median 99.39%. Samples span Apr 2025 to May 2025.
- Under label
- 13/27
- Median purity
- 99.39%
- Latest sample
- May 2025
- Ships from
- United States
more than 5% short
55.97%–99.97% range
first tested Apr 2025
per vendor listing
Our read on Astro Peptides
10 of Astro Peptides' 29 graded samples passed (34%), and 0% of all samples were sent in by buyers rather than by the shop.
When a sample failed, the most common reason was purity under 99.5% (15 times).
Against the 302 shops with at least five graded tests, Astro Peptides' pass rate is at or above 6% of them, and it has more tests on record than 63% of them.
When and how Astro Peptides was tested
Samples per month. The darker part of each bar failed.
- Labs used
- MZ Biolabs (8), Chromate (8), Janoshik (8), Freedom Diagnostics (5)
- Who sent the samples
- testing programme 100%
- Batches covered
- 6 distinct batch numbers
Why Astro Peptides' failed samples failed
The 6 most recent failed tests, with the lab's reason.
BPC-157 · May 5, 2025
amount in the vial more than 35% off the label
CJC-1295 DAC · May 5, 2025
purity under 99.5%
CJC-1295 DAC · May 5, 2025
purity under 99.5%
BPC-157 · May 5, 2025
amount in the vial more than 35% off the label
Ipamorelin · May 5, 2025
amount in the vial more than 35% off the label
BPC-157 · May 2, 2025
purity under 99.5%
Lab testing results
Independent results across 4 products.
Individual lab tests
Date
5/5/2025
Purity
99.89%
Quantity
5 mg → 2.65 mg
Lab
MZ Biolabs
Vial
Blue Label / Silver Crimp / Light Blue Cap
Date
5/5/2025
Purity
99.62%
Quantity
5 mg → 3.6 mg
Lab
MZ Biolabs
Vial
Blue Label / Silver Crimp / Light Blue Cap
Date
5/5/2025
Purity
99.86%
Quantity
10 mg → 16.19 mg
Lab
MZ Biolabs
Vial
Blue Label / Silver Crimp / Dark Purple Cap
Date
5/5/2025
Purity
85.65%
Quantity
5 mg → 3.9 mg
Lab
MZ Biolabs
Vial
Blue Label / Blue Crimp / Dark Purple Cap
Date
5/5/2025
Purity
99.83%
Quantity
5 mg → 5.8 mg
Lab
MZ Biolabs
Vial
Blue Label / Silver Crimp / Clear Cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| IpamorelinBlue Label / Silver Crimp / Light Blue Cap | 5/5/2025 | 10.0 | 99.89% | 5 mg → 2.65 mg | MZ Biolabs | View |
| IpamorelinBlue Label / Silver Crimp / Light Blue Cap | 5/5/2025 | 10.0 | 99.62% | 5 mg → 3.6 mg | MZ Biolabs | View |
| BPC-157Blue Label / Silver Crimp / Dark Purple Cap | 5/5/2025 | 10.0 | 99.86% | 10 mg → 16.19 mg | MZ Biolabs | View |
| CJC-1295Blue Label / Blue Crimp / Dark Purple Cap | 5/5/2025 | 8.6 | 85.65% | 5 mg → 3.9 mg | MZ Biolabs | View |
| SemaglutideBlue Label / Silver Crimp / Clear Cap | 5/5/2025 | 10.0 | 99.83% | 5 mg → 5.8 mg | MZ Biolabs | View |
Which Astro Peptides products tested best
Semaglutide and Ipamorelin graded C.
Buying from Astro Peptides
We don't track Astro Peptides' prices yet. Shipping, payment and refund terms are on their site.
The official store is astropeptidesusa.com/shop. 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 Astro Peptides
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Astro Peptides: common questions
Is Astro Peptides legit?
We rate lab records, not businesses. Mixed lab record: 29 independent tests, 14 of 27 lots filled to label, median purity 99.39%, both products graded C or better. Each result links to its original certificate in the table above.
What do Astro Peptides reviews say?
We don't hold scored customer reviews for Astro Peptides yet. The independent lab results on this page are the evidence we have.
Which Astro Peptides peptides tested best?
We have graded 2 Astro Peptides products.
Is there a Astro Peptides coupon code?
We don't have a verified Astro Peptides coupon code. A discount changes the price, not what is in the vial.
Where does Astro Peptides ship from?
Public listings place Astro Peptides's shipping origin in United States. Check the shop's own shipping page before ordering, as origin can change.
Ordering from Astro Peptides?
Mixed lab record: 29 independent tests, 14 of 27 lots filled to label, median purity 99.39%, both products graded C or better.
About Astro Peptides
Community reports of unresponsive customer service and delayed orders. Exercise caution.