Independent vendor review · 2026

Transition Biotech Review

Scored 7.98/10 on the published Peptide Source Review formula: lab credibility, shipping, pricing, operating history, and transparency.

Reviewed by the Peptide Source Review teamLast audited How we rate

COAs on file
10

COAs on file

Confirmed at the lab
10

Confirmed at the lab

Products
10

Products

Labs
1

Labs

7.98/ 10

Strong

Last scored

No testing cap

Weights are fixed for every vendor. Select a row to see how it was scored.

Is Transition Biotech legit?

Transition Biotech scores 7.98 out of 10 (Strong, #6 of 100) as of October 22, 2026 and passes our testing gate: all 10 products we score carry a certificate, 10 confirmed with the issuing lab (a lab we grade A-). Its strongest area is pricing (9.5/10); its weakest is operating history (1.8/10), with about eleven months of records.

On lab evidence, the heaviest-weighted factor, Transition Biotech has independently verified third-party COAs, with COA work on record from Kovera Labs. Its lowest price per milligram in our data is on NAD+ (see the table below).

How this score was calculated

Every point below follows the published tables in our methodology, with the policy wording we scored and a link to where we read it. Evidence last checked October 22, 2026. Lab credibility is worked product by product from the certificates on file.

Lab credibility9.2/10

Each carried product (lab supplies excluded) is scored from the certificate on file for it, on the published lab rubric: 3 for a published certificate, then points for the laboratory, the verification key, the tests on the certificate and its purity, held to 0 to 10. A certificate that is self-issued, names no laboratory, or comes from a laboratory whose independence is not established scores a flat 2.0; a product with no certificate, a certificate the laboratory’s own record fails, or a posted copy that differs materially from the laboratory’s copy scores 0. Calculated on , the day this page was built; the date each certificate was tested is shown on its row.

  • BPC-1579.0

    Certificate from Kovera Labs, tier A- · tested 2026-07-22

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • 0.0Purity 99.607% (99.0% up to but not including 99.7%)
  • TB-5009.0

    Certificate from Kovera Labs, tier A- · tested 2026-07-22

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • 0.0Purity 99.613% (99.0% up to but not including 99.7%)
  • CJC-12959.5

    Certificate from Kovera Labs, tier A- · tested 2026-07-14

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • +0.5Purity 99.713% (99.7% or higher)
  • GHK-Cu9.5

    Certificate from Kovera Labs, tier A- · tested 2026-07-22

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • +0.5Purity 99.851% (99.7% or higher)
  • Ipamorelin9.5

    Certificate from Kovera Labs, tier A- · tested 2026-07-22

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • +0.5Purity 99.716% (99.7% or higher)
  • Kisspeptin-109.0

    Certificate from Kovera Labs, tier A- · tested 2026-07-22

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • 0.0Purity 99.602% (99.0% up to but not including 99.7%)
  • NAD+9.0

    Certificate from Kovera Labs, tier A- · tested 2026-07-22

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • 0.0Purity 99.371% (99.0% up to but not including 99.7%)
  • Retatrutide9.0

    Certificate from Kovera Labs, tier A- · tested 2026-07-15

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • 0.0Purity 99.694% (99.0% up to but not including 99.7%)
  • Tirzepatide9.5

    Certificate from Kovera Labs, tier A- · tested 2026-07-15

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • +0.5Purity 99.774% (99.7% or higher)
  • BPC-157 + TB-5009.0

    Certificate from Kovera Labs, tier A- · tested 2026-07-22

    • 3.0Certificate published (base)
    • +2.0Laboratory in our directory at tier A- (Kovera Labs)
    • +1.5Verification key printed
    • +1.5Key confirmed at the laboratory's own site
    • +0.5Endotoxin test
    • +0.5Sterility test (USP <71> or a PCR / rapid sterility screen)
    • 0.0Purity 99.571% (99.0% up to but not including 99.7%)

Mean of 10 products: 92.0 ÷ 10 = 9.200.

No adjustments.

9.200 = 9.200, rounded to 0.1: 9.2/10.

Testing gate: 10 of 10 products have a certificate from a directory laboratory (not tier D, not self-issued) with the key confirmed at the laboratory. That is at least half, so the vendor counts as third-party tested and no cap applies.

Shipping and refunds6.0/10

Total +6: 6.0/10.

Pricing9.5/10

We compared Transition Biotech’s current single-vial prices on 10 products, each matched to the same product and milligrams per vial, with the median price of the other vendors. Its typical price (the median ratio across those products) is 43% below the market median (ratio 0.57), which the published scale maps to 9.5/10. checked

Operating history1.8/10

Counted from December 7, 2025, the earliest dated evidence of this business operating: 10.5 months as of October 22, 2026, which the published table maps to 1.8/10.

Domain transitionbiotech.com registered 2025-12-07 (RDAP/registry WHOIS), never shown parked or for sale under this registration. Wayback first capture 2026-02-03 (WordPress maintenance mode), store later. Site names Trinity Holdings LLC (Tampa per notes); the name is too common to tie to a registry record, none found in Texas/Florida name searches. Nothing earlier found; domain date kept.

Transparency4.0/10

Total +4: 4.0/10.

Third-party tested: VerifiedLabs: Kovera LabsProducts tracked: 10

Shop Transition Biotech

  • Rated 7.98/10 · Strong
  • 10 COAs confirmed at the issuing lab
  • Best value: NAD+ at $0.07/mg
Visit Transition Biotech → (opens in new tab)

Audit history and why the rating changed

We re-audit vendors against their live COAs and site. Here is what most recently moved this rating, and why.

See the full score history and chart

  1. Most recent audit · 7.91to7.98

    Re-scored on 22 October 2026 under our published rubric for shipping, pricing, operating history and transparency, applied to every vendor the same day: prices re-read from the vendor's site and matched by milligrams per vial, operating history from the earliest dated evidence of the business, and policies scored item by item. shipping and refunds 5.3 to 6.0, transparency 5.5 to 4.0. Note added 22 October 2026: a score on this entry was corrected from 7.97 to 7.98; it had been rounded down instead of half up.

  2. Audit · 7.87to7.91

    Re-scored on 22 October 2026 under our published rubric for shipping, pricing, operating history and transparency, applied to every vendor the same day: prices re-read from the vendor's site and matched by milligrams per vial, operating history from the earliest dated evidence of the business, and policies scored item by item. pricing 9.0 to 9.5, operating history 2.5 to 1.8.

  3. Audit · 7.60to7.87

    Lab score recalculated on 22 October 2026 under the uniform published rubric applied to every vendor: the rapid sterility screen on its Kovera Labs certificates now earns the sterility-screen point. Lab 8.7 to 9.2.

Earlier audits (3)
  1. Audit · 6.94to7.60

    Lab 7.5 to 8.7. The earlier 7.5 deducted for Kovera's undisclosed accreditation, which our rubric already accounts for, and for a single testing round, which is not a rubric adjustment. Recomputed under our published rule, which averages the lab score over the products we list and counts a listed product with no certificate as zero: all ten listed products carry Kovera certificates confirmed at the laboratory with endotoxin and heavy-metals results. The microbial result is a rapid screen, so it is no longer credited as a sterility test.

  2. Audit · 6.90to6.94

    Vendor-requested price refresh, verified against the live store (all 11 prices match). Pricing rose from 8.5 to 9.0: the ten carried products now average about 0.55x the market median, with every one below it. Shipping eased from 5.5 to 5.3 because the free-shipping offer above an order minimum, one of the two reasons for the October 4 raise, has been retired; the same-day dispatch cutoff still stands. The lab rating is unchanged; this update is not new testing evidence. Note added 22 October 2026: a score on this entry was corrected from 6.93 to 6.94; it had been rounded down instead of half up.

  3. Audit · 6.50to6.90

    Vendor-requested catalog refresh, verified against the live site. Pricing rose from 6.5 to 8.5 because all ten carried products now price below the market median per milligram, a median of 0.72x, after price cuts on several products. Shipping rose from 5.0 to 5.5 on a newly published same-day dispatch cutoff and a free-shipping threshold. The lab rating is unchanged, because the certificate library is still the same single July round from a laboratory that does not publicly disclose an accreditation.

Editor’s notes

Transition Biotech is a small US vendor whose documentation is unusually complete for its size. All ten certificates in its public library come from Kovera Labs, and when we checked on 22 September 2026 all ten report numbers resolved at koveralabs.com/verify, with the laboratory's copy matching the vendor's file on client, batch, purity, net content and date. Each panel covers LC-MS identity, RP-HPLC purity (99.37% to 99.85%), net content, endotoxin, a rapid microbial sterility screen, heavy metals and pH. Every measured net content except NAD+ (492.76 mg of 500 mg, 1.4% under) came in at or above label. Each vial carries a QR code linking to its batch report on the laboratory's site. The certificates come from a single testing round in July 2026, Kovera does not publicly disclose an accreditation, and the reconstitution solution has no lot certificate. On 22 October 2026 the site named Transition Biotech LLC, gave a business mailing address at a private mailbox in Miami, Florida and a registered-agent address in Sheridan, Wyoming, and named no principal; it says testing, warehousing and fulfilment are handled by third parties. All sales are final except verified shipping damage. Standard US shipping is calculated from the destination and the packed order, with a 12:00 PM Mountain same-day cutoff. On 22 October 2026 every carried product sat below the market median per milligram. The domain was registered in December 2025.

Transition Biotech COAs and lab test results

One row per product: the certificate on file and how the lab rule reads it, the laboratory that issued it and its tier, the date it was tested, the purity it reports, and the lowest price per milligram we recorded (per IU or mL where a product is sold that way).

BPC-157Verified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.607%
Price per mg
$3.50$34.99 / 10mg
TB-500Verified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.613%
Price per mg
$4.50$44.99 / 10mg
CJC-1295Verified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.713%
Price per mg
$4.50$44.99 / 10mg
GHK-CuVerified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.851%
Price per mg
$0.30$29.99 / 100mg
IpamorelinVerified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.716%
Price per mg
$3.50$34.99 / 10mg
Kisspeptin-10Verified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.602%
Price per mg
$4.00$39.99 / 10mg
NAD+Verified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.371%
Price per mg
$0.07$34.99 / 500mg
RetatrutideVerified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.694%
Price per mg
$3.50$34.99 / 10mg
TirzepatideVerified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.774%
Price per mg
$1.33$39.99 / 30mg
BPC-157 + TB-500Verified (opens in new tab)

Kovera LabsTier A-tested

Purity
99.571%
Price per mg
$2.75$54.99 / 20mg

Learn more about what Transition Biotech carries

Learn about BPC-157 →Learn about TB-500 →Learn about CJC-1295 →Learn about GHK-Cu →

Rated higher than Transition Biotech, with a reader code

Transition Biotech is not one of our affiliate partners, so we have no code for it. These partners score above it under the same published rules, pass our testing gate, and give readers a discount.

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

Zeptix Labs

8.17/10 · Strong · carries 7 of the same products

Shop Zeptix Labs → (opens in new tab)Read the review
DAAVY Research

8.01/10 · Strong · carries 5 of the same products

Shop DAAVY Research → (opens in new tab)Read the review

Transition Biotech: Frequently Asked Questions

Is Transition Biotech legit?

Transition Biotech scores 7.98 out of 10 (Strong, #6 of 100) as of October 22, 2026 and passes our testing gate: all 10 products we score carry a certificate, 10 confirmed with the issuing lab (a lab we grade A-). Its strongest area is pricing (9.5/10); its weakest is operating history (1.8/10), with about eleven months of records.

Is there a Transition Biotech promo code, coupon code, or discount code?

Transition Biotech advertises the code WELCOME10 on its own site for 10% off, first-order eligibility only, not stackable as far as we can verify, and we confirmed it was live on 2026-09-23. It is the vendor's own public code, not a reader code, so we do not list it as a reader code on our promos page. Check the vendor's own terms before relying on it.

Does Transition Biotech use third-party lab testing?

Yes. We have independently verified third-party COA evidence for this vendor. Laboratories on the certificates we hold: Kovera Labs.

Where can I see Transition Biotech's COAs?

In the "Transition Biotech COAs and lab test results" table on this page. We hold 10 certificates for Transition Biotech, covering 10 of the 10 products we track, issued by Kovera Labs. 10 products' certificates were confirmed at the issuing laboratory itself. Each row links the certificate, its lab, its test date and the purity it reports.

What peptides does Transition Biotech carry?

Transition Biotech carries BPC-157, TB-500, CJC-1295, GHK-Cu, Ipamorelin, Kisspeptin-10, NAD+, Retatrutide, and 2 more. Current per-milligram pricing, COA links, and verification keys for each are in the comparison table on this page.

Is the Transition Biotech review on Peptide Source Review affected by affiliate status?

No. All affiliate relationships are publicly disclosed and never change a vendor's score, rank, or gate status. Our scoring formula is published in full and applied identically to every vendor.

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Want to understand how this score was built?

Read the full methodology or the editorial integrity policy.

Visit Transition Biotech → (opens in new tab)

Transition Biotech7.98Strong

10 confirmed at the lab

Visit Transition Biotech (opens in new tab)

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