TB-500 (Thymosin Beta-4) vs GHK-Cu: Price Comparison
Nightly $/mg price comparison of TB-500 (Thymosin Beta-4) and GHK-Cu across US research-peptide vendors. As of 2026-10-14, the lower listed price per mg is GHK-Cu ($0.1521/mg) vs TB-500 (Thymosin Beta-4) ($3.499/mg). At the median, TB-500 (Thymosin Beta-4) is listed at $7.499/mg against $0.70/mg for GHK-Cu, a gap of $6.799/mg (10.7×). This is a price comparison only — not a comparison of potency, dosing, safety, or efficacy, and not medical advice.
| Metric | TB-500 (Thymosin Beta-4) | GHK-Cu |
|---|---|---|
| Lowest listed $/mg | $3.499/mg | $0.1521/mg |
| Median listed $/mg | $7.499/mg | $0.70/mg |
| Middle half of listings ($/mg) | $5.674/mg – $10.00/mg | $0.5499/mg – $0.9649/mg |
| Vendors tracked | 192 | 227 |
| 30-day price trend | -6.24% (30d) | -11.39% (30d) |
| Cheapest vendor | Evolve BioPep | Peptaura |
| Stores listing both | 177 stores list both (TB-500 (Thymosin Beta-4): 192, GHK-Cu: 227) | |
TB-500 (Thymosin Beta-4) vs GHK-Cu price questions
Which is cheaper per mg, TB-500 (Thymosin Beta-4) or GHK-Cu?
As of 14 Oct 2026, the median listed price is $0.70/mg for GHK-Cu and $7.499/mg for TB-500 (Thymosin Beta-4), so GHK-Cu has the lower median $/mg. By lowest single listing the lower figure is GHK-Cu at $0.1521/mg against $3.499/mg for TB-500 (Thymosin Beta-4). Prices are single-vial, ex-shipping and refreshed nightly; this says nothing about quality or suitability.
How much more expensive is TB-500 (Thymosin Beta-4) than GHK-Cu per mg?
As of 14 Oct 2026, the median listed price of TB-500 (Thymosin Beta-4) is $6.799/mg higher than GHK-Cu ($7.499/mg against $0.70/mg), a ratio of 10.7 to 1. Medians are across each compound's current comparable single-vial listings.
How many stores list both TB-500 (Thymosin Beta-4) and GHK-Cu?
As of 14 Oct 2026, 177 tracked stores list both. TB-500 (Thymosin Beta-4) is priced by 192 stores and GHK-Cu by 227. Listing a store is a statement about price data, never an endorsement.
Have TB-500 (Thymosin Beta-4) and GHK-Cu prices changed in the last 30 days?
The 30-day change in the daily median $/mg is -6.24% for TB-500 (Thymosin Beta-4) and -11.39% for GHK-Cu. Days the crawl missed are left out, never filled in.
Does this page compare TB-500 (Thymosin Beta-4) and GHK-Cu beyond price?
No. It compares listed prices in US dollars per milligram, vendor counts and the 30-day price trend only. It does not compare potency, dosing, safety or efficacy, and it is not medical advice. Sale prices and shipping are not included.
Research Use Only. Publicly listed vendor prices, ex-shipping, normalized to $/mg and refreshed nightly — the same methodology and data as each compound’s own page (see how $/mg works and how we verify). Not medical advice, not a recommendation to purchase, and not a claim about potency, dosing, safety, or efficacy of either compound.