PepAssess
← All peptides

Where to Buy Thymalin in 2026: 3 Lab-Tested Sellers, From $2.24/mg With a Coupon Code

Where to buy Thymalin: PepAssess lists Thymalin at 8 vendors. As of November 12, 2026, the lowest price with a coupon code is $2.24/mg at VMAX Peptides (code pepassess10); the median across all sellers is $4.60/mg. Vendors are ranked by Evidence Score.

Prices and codes updated November 12, 2026 · re-checked every night

Thymalin is a complex of short peptides extracted from animal thymus tissue, developed by Vladimir Khavinson and colleagues in St.

Learn more about Thymalin from the published research: Neuro Endocrinology Letters (2003) · Neuro Endocrinology Letters (2002)

The compounds listed on this page are for research purposes only, not for human consumption.

Thymalin reconstitution calculator →

Thymalin coupon codes

Lowest Thymalin price with a code
$2.24/mg $2.4910 mg vial $22.41 with the code
Shop
code tested at checkout November 5, 2026
Biggest Thymalin discount
$2.76/mg $4.6010 mg vial $27.59 with the code
Shop
code tested at checkout November 2, 2026

Prices with the code taken off · updated November 12, 2026 · re-checked every night

Every Thymalin coupon code

8 Thymalin sellers with a confirmed code — highest Evidence Score first.

Alpha Peptides87score10 mg vial $45.48 with code$5.05/mg$4.55/mg with code10% offShop
Disguised Alpha83score10 mg vial $40.49 with code$4.50/mg$4.05/mg with code10% offShop
Modern Research Peptides82score10 mg vial $27.59 with code$4.60/mg$2.76/mg with code40% offShop
CertaPeptides79score10% offShop
Zesty Rat75score10 mg vial $44.99 with code$5.00/mg$4.50/mg with code10% offShop
Blackline Scientific72score10 mg vial $36 with code$4.50/mg$3.60/mg with code20% offShop
VMAX Peptides63score10 mg vial $22.41 with code$2.49/mg$2.24/mg with code46% below typical10% offShop
Vitality Chems59score10 mg vial $43.60 with code$4.90/mg$4.36/mg with code11% offShop

Lowest prices for every peptide →

Where to buy Thymalin: the short answer

What is the lowest Thymalin price with a coupon code?

As of November 12, 2026, the lowest Thymalin price PepAssess found with a coupon code is at VMAX Peptides: $2.24 per mg with code pepassess10 (10% off; $2.49 per mg before the code). Prices are re-checked every night. VMAX Peptides coupon code

What is the best Thymalin coupon code?

As of November 12, 2026, the biggest Thymalin coupon code PepAssess has confirmed is pepassess for 40% off at Modern Research Peptides, which brings it to $2.76 per mg. PepAssess lists each code with its discount and the seller's Evidence Score, based on lab reports confirmed with the testing labs. Modern Research Peptides coupon code

Where can I buy lab-tested Thymalin?

As of November 12, 2026, PepAssess lists 8 online vendors selling Thymalin. 3 of them publish a Thymalin lab report that the testing lab confirmed on its own records. The highest-scoring vendors with a lab-confirmed Thymalin report are Disguised Alpha (83/100), CertaPeptides (79/100) and Zesty Rat (75/100). Compare all 8 Thymalin vendors on PepAssess

What is the best Thymalin vendor?

PepAssess ranks Thymalin vendors by Evidence Score (0–100): what each vendor documents — lab reports confirmed by the labs, how often it tests, business transparency and buyer protection. As of November 12, 2026, the top-scoring Thymalin vendors are Alpha Peptides (87/100), Disguised Alpha (83/100) and Modern Research Peptides (82/100) — 1 of them with a lab-confirmed Thymalin report.

What is the cheapest Thymalin per mg?

The lowest Thymalin price PepAssess found is $2.49/mg at VMAX Peptides; the median across vendors is $4.60/mg (as of November 12, 2026). Among vendors with a lab-confirmed Thymalin report, the lowest is $4.50/mg at Disguised Alpha. Prices come from each vendor's own store and exclude shipping and discounts.

Thymalin cost per week

What one 10 mg vial of Thymalin costs per week of research, at the lowest one-vial price with a coupon code: $22.41 at VMAX Peptides (code pepassess10, $2.24/mg), as of November 12, 2026.

One vial used overCost per week
2 weeks$11.20
4 weeks$5.60
8 weeks$2.80

Lab-confirmed Thymalin reports

3 of 8 sellers publish a Thymalin lab report. 3 have one the testing lab confirmed on its own records; 0 of those cover both purity (HPLC + mass-spec identity) and toxicity (endotoxin or sterility). Those covering both are listed first, then by Evidence Score.

Disguised AlphaPurity ✓↗Toxicity –Sep 2026$4.50/mg10% off83scoreShop
CertaPeptidesPurity –Toxicity –10% off79scoreShop
Zesty RatPurity –Toxicity –Jul 2026$5.00/mg10% off75scoreShop
from $44.99$4.50/mg83scoreShop
from $45.99$4.60/mg82scoreShop
from $50.53$5.05/mg87scoreShop
from $49.99$5.00/mg75scoreShop
79scoreShop
from $45$4.50/mg72scoreShop
from $24.90$2.49/mg63scoreShop
from $48.99$4.90/mg59scoreShop

Prices come from each vendor's own public store data and may exclude shipping, discounts or bulk pricing. Research-use products; not medical advice.

About Thymalin

What it is

Thymalin is a complex of short peptides extracted from animal thymus tissue, developed by Vladimir Khavinson and colleagues in St. Petersburg. Unlike most peptides on this site, it is a mixture rather than a single defined molecule.

How it works

  • Described by its developers as stimulating immunity and thymus-related cell maturation
  • These mechanisms are from developer-group lab work and have not been confirmed independently

The compounds listed on this page are for research purposes only, not for human consumption. Not medical advice.

Related: Thymosin Alpha-1 · Epitalon · Pinealon · LL-37 · GHK-Cu

Thymalin: more questions people ask

Which Thymalin vendors have lab reports confirmed by the testing lab?

3 as of November 12, 2026. They include Disguised Alpha, CertaPeptides and Zesty Rat. PepAssess matches each report to the issuing lab's own public record, not the vendor's copy.

How can I tell if a Thymalin certificate of analysis (COA) is real?

Look the report up in the testing lab's own records — most labs that test peptides publish a lookup by report ID, QR code or lot number. PepAssess does this for every Thymalin report it finds: as of November 12, 2026, 3 of the 3 sellers publishing a Thymalin report had one the lab confirmed.

How much does a vial of Thymalin cost?

As of November 12, 2026, a 10 mg vial of Thymalin costs a median $50 across the 90 sellers PepAssess found with one in stock (lowest $19); a 25 mg vial, a median $130 across 19 sellers (lowest $85); a 20 mg vial, a median $72.71 across 11 sellers (lowest $40). Each seller's lowest in-stock price for that size counts once; prices come from each seller's own store and exclude shipping and discounts.

Can you buy Thymalin as a nasal spray or a pen?

Yes. As of November 12, 2026, 180 of the 8 Thymalin sellers PepAssess lists sell a vial; 27 a nasal spray and 27 a pen or pre-filled form. Counts come from each store's own product names. A lab report covers the product and batch it names — check that it's for the form you're buying.

How do I know if a Thymalin seller is legit?

Check what the seller can show. As of November 12, 2026, PepAssess checks every Thymalin seller for three things: a Thymalin lab report that the testing lab confirms on its own records (3 of 8), card payments, which let you dispute a charge (6 of 8), and a published street address — not a mailbox or registered agent (4 of 8). Each seller's PepAssess profile shows which of these it has.

Are there Thymalin coupon codes?

Yes. PepAssess lists coupon codes for 8 vendors selling Thymalin: Alpha Peptides: PEPASSESS (10% off), Disguised Alpha: REF-4GN8-3QTN (10% off), Modern Research Peptides: pepassess (40% off), CertaPeptides: AFF-PEPASSESS (10% off), Zesty Rat: pepassesscom10 (10% off), Blackline Scientific: PEPASS (20% off) and 2 more.

CertaPeptides products are for research use only and not for human consumption.