What Is TB-500? How It Differs From Thymosin Beta-4
TB-500 is a synthetic N-acetylated LKKTETQ peptide from the actin-binding site of thymosin beta-4. How it differs from full Tβ4 and what research covers.
Lyophilized, crimp-sealed vials tested by HPLC and mass spectrometry before release. Look up the certificate for your exact batch before you order.
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Shipping policyPeptides grouped by the biological system they are studied in.
Tirzepatide, Retatrutide, Cagrilintide
11 compoundsTesamorelin, CJC-1295, CJC-1295 with DAC
15 compoundsBPC-157, TB-500, BPC-157 + TB-500 Blend
7 compoundsSelank, Semax, Dihexa
10 compoundsNAD+, MOTS-c, SS-31
11 compoundsKisspeptin-10, Gonadorelin Acetate, Oxytocin Acetate
7 compoundsThymosin Alpha-1, LL-37, PNC-27
4 compoundsGHK-Cu, AHK-Cu, Snap-8
3 compoundsL-Carnitine, Lipo-C, MIC + B12
4 compoundsEach vial holds a freeze-dried peptide cake: no fillers, no binders, sealed under clean-room conditions.
Reverse-phase HPLC on every lot, chromatogram published.
Observed molecular weight matches the sequence.
Labelled milligrams per vial, ten vials per box.
Freeze-dried for stability at room temperature in transit.
Glass vials with flip-off aluminium caps.
The lot number on every label links to its certificate.
No lot is listed for sale until it has passed each step and its certificate is online.
Solid-phase synthesis, lot number assigned.
Preparative HPLC removes truncated sequences.
Analytical HPLC and mass spectrometry.
COA published before the first box ships.
Tallest peak: the target peptide. Small peaks: synthesis impurities.
Priced per box of ten vials. Shipping is quoted after you order.
Growth Hormone Axis
Selective pentapeptide ghrelin-receptor agonist.
5mg, 10mg
Tissue Repair & Recovery
Body Protection Compound-157, 15-amino-acid gastric peptide fragment.
5mg, 10mg, 20mg
Tissue Repair & Recovery
Equal-ratio BPC-157 and TB-500 in one vial.
10mg (5mg + 5mg), 20mg (10mg + 10mg)
Longevity & Mitochondrial
Nicotinamide adenine dinucleotide, oxidised form.
100mg, 500mg, 1000mg
Longevity & Mitochondrial
16-amino-acid mitochondrial-derived peptide.
10mg, 20mg, 40mg
Skin & Cosmetic Peptides
Gly-His-Lys copper(II) complex.
50mg, 100mg
Add compounds to your cart and check out. No payment is taken at this stage.
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Once payment arrives your order ships within 1–2 business days, tracked and discreetly packed.
Mix any compounds. Ask us for a bulk quote on larger orders.
Every lot searchable by number.
Independent lab verification links.
Lyophilized and sealed for shipping.
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Nothing charged until shipping is confirmed.
Private label available for bulk buyers.
Work out concentration after reconstitution, the volume to pipette for your assay, and molarity from molecular weight. No sign-up.
Concentration of a lyophilized peptide after adding diluent.
Volume of stock solution that contains the amount of peptide your assay needs.
Molar concentration from mass, volume and molecular weight (see the certificate of analysis for the molecular weight).
For laboratory solution preparation only. Not for calculating doses for human or veterinary use.
We show test data instead of testimonials. Open any certificate in full.
Literature summaries written by our team and reviewed by a scientist.
TB-500 is a synthetic N-acetylated LKKTETQ peptide from the actin-binding site of thymosin beta-4. How it differs from full Tβ4 and what research covers.
Semax is a synthetic heptapeptide (Met-Glu-His-Phe-Pro-Gly-Pro) built from ACTH(4-7). Its structure, breakdown products, neurotrophin research and lab handling.
Selank is a synthetic heptapeptide (Thr-Lys-Pro-Arg-Pro-Gly-Pro) built on tuftsin. Its structure, GABA and enkephalinase research, degradation and lab handling.
Everything about purity testing, shipping, payment and storage. Can’t find your answer? Our team replies within one business day.
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Contact supportEvery lot is tested by reverse-phase HPLC for purity and by mass spectrometry for identity before release. The certificate for each lot is published on this site and can be found with the lot number printed on the vial.
Our products are sold to adults purchasing for laboratory research. They are not medicines and are not for human or veterinary use. At checkout you confirm that your purchase is for research purposes.
Peptides are supplied as lyophilized powder in sealed glass vials, which are stable at room temperature during transit. On arrival, store vials at -20 °C away from light. Once reconstituted, keep refrigerated at 2–8 °C.
We ship to most countries worldwide with tracking. Shipping is quoted for your address after you order. Import rules differ by country, so check your local regulations before ordering.
You place your order without paying. We then email you the shipping cost and a secure payment link. Orders ship once payment is received.
Shipping is quoted for your exact address after you order. We email the total and a secure payment link before anything is charged.
Yes. Larger orders qualify for tiered pricing, and private labelling is available for bulk buyers. Contact us with the compounds and quantities you need.
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