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Generic Peptides Thymalin 20 and 50 mg Thymus Peptide Vials
Injection · 20 mg · vial
Out of stock
$79.00
Generic Peptides Thymalin is a polypeptide fraction extracted from bovine thymus tissue, supplied as a lyophilized research powder for immune and ageing studies. Available for purchase in two vial sizes: 20 mg and 50 mg. It is an extract fraction, not a peptide with a fixed sequence.
GMP-manufactured, each batch is HPLC-verified with the Certificate of Analysis (COA) on file. Thymalin for sale with worldwide shipping.
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Product overview
Generic Peptides Thymalin - 20 and 50 mg Thymus Extract Vials
Generic Peptides Thymalin is a polypeptide fraction extracted from bovine thymus tissue and supplied as a lyophilized powder in 20 mg and 50 mg vials. It is a bioregulator rather than a defined sequence: unlike the synthetic Thymosin Alpha-1, which has a known chain, this is an extract fraction, so the composition per lot is broader. Buy Thymalin for immune and ageing research, and treat both sizes as laboratory material rather than a prescription product.
- Two vial sizes - 20 mg and 50 mg
- Thymus polypeptide fraction, synonym timalin
- Lyophilized powder, needs bacteriostatic water
- GMP-made, HPLC-verified, COA on file
Variant Comparison
Both vials hold the same extract fraction and differ only in how much powder they carry.
| Variant | Dosage | Form and quantity | Best use |
|---|---|---|---|
| Thymalin 20 mg | 20 mg per vial | Lyophilized vial | Short immune series |
| Thymalin 50 mg | 50 mg per vial | Lyophilized vial | Extended research blocks |
Mixed at 20 mg in 2 mL or 50 mg in 5 mL, both vials read 10 mg/mL, where 0.1 mL on a U-100 syringe is 1 mg; the 50 mg vial in 2 mL concentrates to 25 mg/mL, so the same draw is 2.5 mg. A longer study usually pairs the fraction with the pineal tetrapeptide Epitalon, and the antioxidant tripeptide Glutathione is the other common arm.
How Thymalin Works
In a model using human peripheral blood mononuclear cells stimulated with lipopolysaccharide, Thymalin and its dipeptides EW and KE lowered the synthesis of IL-1beta, IL-6 and TNF-alpha by 1.4 to 6.0 times. Short peptides of this size reach the cell nucleus and bind promoter sequences, with GGAG preferred for EW and GCGC for KE. A 2021 clinical paper reported 10 mg intramuscularly daily for 10 days in older patients with severe COVID-19 as part of complex therapy, with normalisation of leucocyte, lymphocyte, monocyte and NK-cell counts. A 2003 follow-up of 266 people aged 60 and over ran 6 to 8 years and reported lower mortality in the group given Thymalin, but that work is Russian and lacks independent replication.
Reconstitution & Storage
Add bacteriostatic water down the vial wall and swirl gently; do not shake a protein fraction. Keep the sealed powder at 2-8 C, protect it from light, and hold the mixed solution at 2-8 C without freezing.
Dosage & Administration
No human pharmacokinetic profile for this fraction is published, and the vials here are research packs rather than a licensed presentation. Literature courses run 5 to 10 days with observation afterwards, and the clinical work cited above used a 10 mg vial that does not correspond to these pack sizes. Nothing on this page is a treatment protocol; record every figure as a research reference and keep a metabolic arm such as NAD+ in its own group.
For laboratory research only, not for human or veterinary use. Information on this page is educational and does not constitute medical advice. Consult a qualified healthcare professional before handling any peptide.
Specifications
| Trade Name | Thymalin |
| Generic Name | Thymalin (bovine thymus polypeptide fraction) |
| Manufacturer | Generic Peptides |
| Dosage | 20 mg or 50 mg per vial |
| Package | Lyophilized vial |
| Drug Class | Thymus peptide bioregulator (research) |
| Administration | Research use only |
| Storage | Lyophilized 2-8 C; mixed 2-8 C, do not freeze |
| Prescription Status | Not approved in the U.S. or EU; research material |
| Verification | Batch details confirmed with supplier |
| Shipping | International shipping |
Stacks
For laboratory research only. Consult a healthcare professional before handling any peptide. Amounts shown are research references, not recommended human doses.
FAQ
Before you ask
Questions, answered
Thymalin, also written timalin, is a polypeptide fraction extracted from bovine thymus tissue and sold as a lyophilized powder. It is a bioregulator rather than a single defined chain, which separates it from synthetic thymic peptides such as Thymosin Alpha-1. Because it comes from tissue extraction, the exact composition of each lot is broader and less defined than a synthesised sequence.
Only the amount of powder differs. The 20 mg vial with 2 ml of water and the 50 mg vial with 5 ml both read 10 mg/ml, where 0.1 ml on a U-100 syringe is 1 mg. If the 50 mg vial is mixed with only 2 ml it concentrates to 25 mg/ml, so the same draw becomes 2.5 mg. The larger vial suits longer blocks, the smaller one limits waste.
Let bacteriostatic water run down the inside wall and swirl the vial gently until the powder dissolves. Do not shake, because a protein fraction foams easily. Keep the sealed powder at 2-8 C away from light and the mixed solution at 2-8 C without freezing. Any vial that turns cloudy or shows particles should be discarded rather than drawn from.
Published courses run roughly 5 to 10 days with observation afterwards. A 2021 clinical paper reported 10 mg given intramuscularly once daily for 10 days in older patients with severe COVID-19 as part of complex therapy, and that study used a 10 mg vial. The 20 mg and 50 mg vials sold here are research packs, so those figures are not transferable to these sizes.
Injection site reactions such as redness or soreness are the most common class effect of injectable peptides. Because this is a tissue-derived protein fraction, allergic reactions to the material are a theoretical concern and are not characterised for this product. Immune stimulation also calls for caution in autoimmune conditions, where the theoretical risk has not been studied. Long-term safety data do not exist.
Thymus extract preparations of this type have a long history of registration in Russia, but there is no approval from the FDA or the EMA, and these 20 mg and 50 mg vials are supplied as research material. The fraction is not named by name on the WADA Prohibited List, yet as an unapproved substance it can fall under class S0, which is a restriction rather than a permission.
Thymalin is stocked here in 20 mg and 50 mg lyophilized vials, produced under GMP conditions and HPLC-verified with a Certificate of Analysis held for each batch. Orders are shipped internationally, and the page above lists the current price and availability for both sizes. No U.S. domestic option is shown for this offer.
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