99 Purity Peptides TB-500 price: $6.37/mg with NEW15
99 Purity Peptides lists TB-500 at $74.99 for 10 mg, which is $7.50/mg or $6.37/mg with code NEW15; that's #4 cheapest of 11 vendors we track after codes (median $7.50/mg), checked Oct 21, 2026.
Our verdict on 99 Purity Peptides
Real store, testing gaps
60/100C
#8 of 11 ranked vendors
- Publishes COAs, but not matched to your lot
- Named labs: Optiq Health Labs, Accurate Test Labs (bacteriostatic water)
- No independent tests on file
Last verified How we scoreFull review
99 Purity Peptides TB-500 sizes
| Compound | Vial | Price | With NEW15 | Per mg after code | Links |
|---|---|---|---|---|---|
| TB-500 | 5 mg | $42.49 | $8.50 | compare | |
| TB-500 | 10 mg | $63.74 | $6.37 | compare |
NEW15 15% off your first order, seen Oct 21, 2026; not tested at checkout.Prices checked Oct 21, 2026, before shipping. Code and vendor-sale stacking only shown when the vendor confirms it; none confirmed yet.TB-500 at every vendor, after codes
| Vendor | Cheapest vial | Per mg | After code | Score |
|---|---|---|---|---|
| Atomik Labz | 20 mg · $140 | $7.00 | $5.95 | 50 |
| DRYPtides | 10 mg · $69 | $6.90 | $6.90 | 65 |
| Core Research Peptides | 5 mg · $39 | $7.80 | $7.80 | 60 |
| 99 Purity Peptides | 5 mg · $49.99 | $10.00 | $8.50 | 60 |
| Swiss Chems | 2 mg · $23.96 | $11.98 | $10.78 | 70 |
| Ascension Peptides | 5 mg · $54 | $10.80 | $10.80 | 70 |
| True Peptides | 5 mg · $55 | $11.00 | $11.00 | 75 |
| Biotech Peptides | 5 mg · $72 | $14.40 | $14.40 | 70 |
| Penguin Peptides | 2 mg · $30 | $15.00 | $15.00 | 74 |
| Core Peptides | 5 mg · $78 | $15.60 | $15.60 | 83 |
| Spartan Peptides | 5 mg · $169 | $33.80 | $33.80 | 60 |
Codes applied only where verified, same math for every vendor. All TB-500 sizes.
DRYPtides lists TB-500 at $6.90/mg and scores 65/100. It's the vendor we plan to partner with.
A synthetic peptide based on a fragment of thymosin beta-4. Not FDA approved. 99 Purity Peptides review · 99 Purity Peptides coupon code
Questions
How much is TB-500 at 99 Purity Peptides?
99 Purity Peptides lists TB-500 at $74.99 for 10 mg, which is $7.50/mg or $6.37/mg with code NEW15; that's #4 cheapest of 11 vendors we track after codes (median $7.50/mg), checked Oct 21, 2026.
Is 99 Purity Peptides TB-500 cheaper than other vendors?
After codes, 99 Purity Peptides is #4 of 11. The cheapest is Atomik Labz at $5.95/mg.
Is there a 99 Purity Peptides code for TB-500?
NEW15: 15% off your first order. It's applied in the table above.
Does 99 Purity Peptides publish a COA for TB-500?
99 Purity Peptides's COA practice: 30/40 on our COA transparency line. Check the COA library link on its review page and ask for the COA matching your lot.