Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
| Form | Size | Price | $/mg | Stock | Updated |
|---|---|---|---|---|---|
| vial | 10mg | $35.00 | $3.50/mg | Out of stock | Jul 8 |
| vial | 20mg | $64.00 | $3.20/mg | Out of stock | Jul 8 |
Single-vial list prices — bulk or bundle orders may be lower. Verify at vendor before purchase.
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 NG Peptide sell TB-500?
Yes — NG Peptide currently lists TB-500 in 2 variants starting at $64.00 ($3.20/mg).
Is NG Peptide's TB-500 third-party tested?
Yes — Disclosed Labs has indexed 7 Certificates of Analysis for NG Peptide's TB-500, with the most recent showing 99.9% purity. NG Peptide holds an overall trust grade of B (85/100) across all 114 COAs on file.
What is NG Peptide's trust grade for TB-500?
NG Peptide has an overall Disclosed Labs trust grade of B (85/100), computed from 114 COAs across all peptides. The most recent TB-500 COA was issued by ILS Labs.
Where is the cheapest TB-500?
As of the latest data, Peptide Supply Co. offers TB-500 at $3.40/mg — compare with NG Peptide's listing at $3.20/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.
| TB10-07 | May 2026 | 99.8% | ILS Labs | Endotoxin, Sterility, Heavy metals | Confirmed1 flag | View |
| TB04 | Feb 2026 | 99.1% | Freedom Diagnostics | — | Unverified | View |
| TB-01 | Jan 2026 | 99.8% | Janoshik Analytical | — | Unverified | View |
| KLW7198 | Dec 2025 | 99.7% | Freedom Diagnostics | — | Confirmed | View |
| TB01 | Dec 2025 | 99.2% | Freedom Diagnostics | — | Confirmed | View |
| GLW4760 | — | 99.6% | Freedom Diagnostics | — | Confirmed | View |