Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
| Lot / Report | Tested | Purity | Lab | Panels | Status | |
|---|---|---|---|---|---|---|
| — | Sep 2025 | 99.3% | Freedom Diagnostics | — | Confirmed | View |
The FDA PCAC advisory committee meets July 23–24, 2026 to review nominations and make recommendations on compounding eligibility — the PCAC is advisory only, and the FDA would issue any final rule on a separate, later timeline. TB-500 is on the proposed list. If the FDA subsequently issues a final rule, a valid prescription from a licensed prescriber may be required for compounding access; timing is uncertain. Disclosed Labs does not provide medical or legal advice.
Does Kimera Chems sell TB-500?
Kimera Chems has 2 COAs on file for TB-500 but no active price listing is currently tracked.
Is Kimera Chems's TB-500 third-party tested?
Yes — Disclosed Labs has indexed 2 Certificates of Analysis for Kimera Chems's TB-500, with the most recent showing 99.3% purity. Kimera Chems holds an overall trust grade of C (70/100) across all 355 COAs on file.
What is Kimera Chems's trust grade for TB-500?
Kimera Chems has an overall Disclosed Labs trust grade of C (70/100), computed from 355 COAs across all peptides. The most recent TB-500 COA was issued by Freedom Diagnostics.
Where is the cheapest TB-500?
As of the latest data, Peptide Supply Co. offers TB-500 at $3.40/mg — compare with Kimera Chems's listing. See the full TB-500 price comparison.
Is TB-500 legal to buy?
TB-500 is among the peptides under FDA review for the Category 1 (503A) bulk-substances list — removed from Category 2 in April 2026 but not yet on a finalized Category 1 list. The FDA PCAC committee meets July 23–24, 2026 to make recommendations on which peptides may be compounded, and under what conditions — the PCAC is advisory only, and the FDA would issue any final rule on a separate, later timeline. If a final rule is ultimately issued, a valid prescription from a licensed prescriber may be required for compounding access; timing is uncertain. Current sales are for research purposes only. Disclosed Labs does not provide medical or legal advice.
| Red Cap | Oct 2024 | 99.1% | Vanguard Laboratory | — | Unverified | View |