Best Thymalin Vendors in 2026
Immune / InflammationRanked by Finnrick trust score, purity testing, and price.
Paramount Peptides is our #1 pick for Thymalin, with a Finnrick trust score of 6.7/10. Across 18 tracked vendors, prices range from $40.00 to $390.00, verified by Peptide Compare on 23 Sep 2026. Prices are scraped from vendor sites; trust scores come from Finnrick blind tests.
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- Cheapest per mg
- $2.00/mgat Ruo Bio
- Highest trust score
- Peptidology(7.6/10)
- In stock now
- 17 products across 18 vendors
- Last verified
- Sep 23, 2026
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Top Thymalin vendors at a glance
| Rank | Vendor | Trust score | Per mg |
|---|---|---|---|
| #1 | Paramount Peptides | 6.7/10 | $4.04 |
| #2 | Simple Peptide | 7.0/10 | $4.20 |
| #3 | Peptide Sciences | 6.6/10 | $6.00 |
| #4 | PeptidologyOut of stock | 7.6/10 | $4.86 |
| #5 | Ruo Bio | untested | $2.00 |
| #6 | Alpha Omega | untested | $4.20 |
| #7 | Biotech Peptides | untested | $4.56 |
| #8 | Modern Research | untested | $4.60 |
| #9 | Peptides Collective | untested | $4.90 |
| #10 | Ion Peptide | untested | $5.90 |
All 18 ranked Thymalin vendors
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How we rank vendors
Our composite score weighs Finnrick blind-testing trust scores (62%), price competitiveness (25%), and stock availability (13%). Vendors without Finnrick data are sorted by price below scored vendors. We never accept payment for rankings. Learn more.