Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
| Form | Size | Price | $/mg | Stock | Updated |
|---|---|---|---|---|---|
| vial | 10mg | $75.00 | $7.50/mg | In stock | Jul 8 |
Single-vial list prices — bulk or bundle orders may be lower. Verify at vendor before purchase.
| Lot / Report | Tested | Purity | Lab | Panels | Status | |
|---|---|---|---|---|---|---|
| 26062101 | Jun 2026 | 99.4% | Freedom Diagnostics | Endotoxin | 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 Prime Peptides sell TB-500?
Yes — Prime Peptides currently lists TB-500 in 1 variant starting at $75.00 ($7.50/mg).
Is Prime Peptides's TB-500 third-party tested?
Yes — Disclosed Labs has indexed 4 Certificates of Analysis for Prime Peptides's TB-500, with the most recent showing 99.4% purity. Prime Peptides holds an overall trust grade of C (72/100) across all 53 COAs on file.
What is Prime Peptides's trust grade for TB-500?
Prime Peptides has an overall Disclosed Labs trust grade of C (72/100), computed from 53 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 Prime Peptides's listing at $7.50/mg. 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.
| 4142026TB | May 2026 | 99.5% | Janoshik Analytical | — | Confirmed | View |
| 4062026TB | May 2026 | 98.9% | Janoshik Analytical | — | Confirmed | View |
| 10162025TB | Nov 2025 | 99.3% | Janoshik Analytical | — | Confirmed | View |
Disclosed Labs