ResearchChemHQ vs TeaHRT — Vendor Comparison

Independent side-by-side comparison of ResearchChemHQ and TeaHRT — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.

Bottom line: TeaHRT has more published third-party tests (4 vs 0); ResearchChemHQ carries more community reviews (145).

Every figure below is either measured by an independent laboratory or read from the vendor's own website, and the source is named against it. PeptideAtlas is not affiliated with either vendor.

ResearchChemHQ has no independent Janoshik assays on file. TeaHRT: 4 independent Janoshik assays, across 4 substances, most recent 2025-01-24.

Attribute	ResearchChemHQ	TeaHRT
Third-party tests	None published	4 tests
Community rating	4/5 (145 reviews)	No reviews
COA available	Yes	Yes
Endotoxin tested	No	No
FDA warnings	None on record	None on record
Year established	2021	Unknown

Measured purity, substance by substance

Substance	ResearchChemHQ	TeaHRT
Estradiol Enanthate, Purple Top Vial	Not tested	purity not reported (1 assay, latest 2025-01-24)
Estradiol Cypionate,pink Top Vial	Not tested	purity not reported (1 assay, latest 2025-01-24)
Estradiol Purple Top	Not tested	purity not reported (1 assay, latest 2024-05-25)
Estradiol Blue Top	Not tested	purity not reported (1 assay, latest 2024-05-25)

What each site publishes

Checked	ResearchChemHQ	TeaHRT
Certificates of analysis	5 published on the site	Not stated
Products listed	32	Not stated
Public pricing	Listed on the site	Not stated
Payment methods	Cryptocurrency, Bank Transfer, Credit Card, PayPal, Venmo	Not stated
Ships to	United States, Worldwide	Not stated
Carriers	FedEx	Not stated
Research-use-only notice	Published	Not stated

What we found on each site

ResearchChemHQ

White-label supplier source
Publishes COAs source
Public pricing source

Frequently asked questions

Which has more independent lab testing, ResearchChemHQ or TeaHRT?

TeaHRT. ResearchChemHQ has no independent Janoshik assays on file. TeaHRT: 4 independent Janoshik assays, across 4 substances, most recent 2025-01-24. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.

Do ResearchChemHQ and TeaHRT publish certificates of analysis?

ResearchChemHQ publishes 5 certificates of analysis on its own site, and TeaHRT states that COAs are available. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.

Where do ResearchChemHQ and TeaHRT ship?

ResearchChemHQ states it ships to United States, Worldwide, and TeaHRT does not state one. Both are read from the vendors' own sites.

Full profiles: ResearchChemHQ, TeaHRT.

Full lab-test records: All 4 TeaHRT lab tests.