Side-by-side vendor pricing for Semax.Cheapest in-stock total: $18.00.Sort by $/mg, total cost, or Stacked Score, then click through to view the listing on the vendor's site.
- Best $/mg
- Titan Research
verified 10h ago
63SEMAX Kit Bundle (PACK OF 10)
10-vial kit · $205 min
Size100 mgTotal$204.99$/mg$2.05In stock - Royal Peptides
verified 10h ago
69Semax 10mg x 10-Vial Kit (100mg total)
Kit
Size100 mgTotal$430.00$/mg$4.30In stock
Price History
30-day window · per vendor
Each line tracks one vendor's SKU over the last 30 days. Green numbers = price dropped. Amber = price rose. Flat gray = no movement.
- Pure RX Peptides
Semax 10mg · 10mg
Low · High$18.00 · $18.00Current$18.0030dFlat - Limitless Biotech
Semax 30mg · 30mg
NewLow · High- · -Current-30d- - Titan Research
SEMAX 10mg · 10mg
Low · High$19.99 · $19.99Current$19.9930dFlat - Titan Research
SEMAX Kit Bundle (PACK OF 10) · 100mg
Low · High$204.99 · $204.99Current$204.9930dFlat - Engage Peptides
Semax 30mg · 30mg
Low · High$65.00 · $65.00Current$65.0030dFlat - Swiss Chems
Semax 30mg (1 vial) · 30mg
NewLow · High- · -Current-30d- - Puratek Peptides
Semax 10 mg · 10mg
Low · High$32.95 · $32.95Current$32.9530dFlat - Modern Research Peptides
Semax 10mg · 10mg
NewLow · High- · -Current-30d- - NextGen Peptides
Semax 10MG · 10mg
Low · High$35.00 · $35.00Current$35.0030dFlat - Nova Peptide Supply
Semax 10mg · 10mg
Low · High$34.99 · $35.00Current$34.9930dFlat - Engage Peptides
Semax 10mg · 10mg
Low · High$38.00 · $38.00Current$38.0030dFlat - Ignite Peptides
SMAX (Semax) 10mg · 10mg
Low · High$40.00 · $40.00Current$40.0030dFlat - LA Peptides
Semax 10mg · 10mg
Low · High$39.99 · $39.99Current$39.9930dFlat - Royal Peptides
Semax 10mg x 10-Vial Kit (100mg total) · 100mg
Low · High$430.00 · $430.00Current$430.0030dFlat - EZ Peptides
Semax 10mg · 10mg
Low · High$44.00 · $44.00Current$44.0030dFlat - Helixion Labs
Semax 10mg · 10mg
NewLow · High- · -Current-30d- - Evolve Peptides
Semax 5mg · 5mg
Low · High$25.00 · $25.00Current$25.0030dFlat - Pantheon Peptides
Semax 10mg · 10mg
Low · High$50.00 · $50.00Current$50.0030dFlat - NextGenPeps
Semax 10mg / Vial · 10mg
Low · High$52.00 · $52.00Current$52.0030dFlat - Certified Peptides
Semax 10mg · 10mg
Low · High$54.00 · $54.00Current$54.0030dFlat - Modern Research Peptides
Semax 5mg · 5mg
NewLow · High- · -Current-30d- - Purity Peptides
Semax, 10mg · 10mg
NewLow · High- · -Current-30d- - Ascension Peptides
Semax (10MG) · 10mg
Low · High$55.00 · $59.99Current$59.9930d+9% - DelixLabs
Semax 10mg · 10mg
NewLow · High- · -Current-30d- - SolXGenix
Semax 10mg · 10mg
NewLow · High- · -Current-30d- - Noxamino
Semax · 10mg
NewLow · High- · -Current-30d- - Royal Peptides
Semax 10mg (Single Vial) · 10mg
Low · High$65.00 · $65.00Current$65.0030dFlat - Stillwater BioLabs
Semax 5mg · 5mg
NewLow · High- · -Current-30d- - DelixLabs
Semax 5mg · 5mg
NewLow · High- · -Current-30d- - Iron Peptides
Semax 10mg · 10mg
Low · High$79.99 · $79.99Current$79.9930dFlat - Purity Peptides
Semax, 5mg · 5mg
NewLow · High- · -Current-30d- - Perfect Peptides
Semax 10mg · 10mg
Low · High$95.00 · $95.00Current$95.0030dFlat
Other formats
7 listingsSemaxis also sold in non-vial formats. These aren't ranked against the vial $/mg above, delivery format changes dosing, so we list them separately with their total price.
- SprayNova Peptide SupplySemax Spray 5mg$44.99$9.00/mgInShop →
- SprayEngage PeptidesSemax 10mg Nasal Spray$55.00$5.50/mgInShop →
- SprayLA PeptidesSemax Spray$59.99InShop →
- SprayHelixion LabsSemax 10mg-Nasal Kit$69.99$7.00/mgInShop →
- SprayNova Peptide SupplySemax Spray 10mg$84.99$8.50/mgInShop →
- SprayIron PeptidesN-acetyl Semax Spray$89.99InShop →
- SprayNextGen PeptidesSemax Spray$140.00InShop →
Also Available in Blends
Pre-mixed multi-peptide stacks from tracked vendors that include Semax.
7 blends
Selank + Semax Blend 20mg, Selank 10mg + Semax 10mg
10mg Semax+10mg Selank
Total · 20mg$45.00Blend $/mg$2.25InView →Semax + Selank Blend 20mg x 10-Vial Kit (200mg total)
100mg Semax+100mg Selank
Total · 200mg$500.00Blend $/mg$2.50InView →Semax + Selank Blend 20mg - Semax 10mg + Selank 10mg
10mg Semax+10mg Selank
Total · 20mg$88.00Blend $/mg$4.40InView →
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How This Works
Prices auto-refresh daily from each vendor's public catalog. The “Best $/mg” row is the cheapest in-stock option across tracked vendors. See our methodology for how the Stacked Score is computed.
Semax, Frequently Asked
- How much does Semax cost?
- Across 27 vetted research vendors Stacked tracks, Semax runs $1.80/mg to $9.50/mg. The lowest in-stock total right now is $18.00 from Pure RX Peptides. Prices are pulled from each vendor's public catalog and refresh daily.
- Where can I buy Semax?
- Semax is listed by 27 research-peptide vendors in the Stacked directory, including Pure RX Peptides, Limitless Biotech, Titan Research. Compare $/mg, total price, stock, and each vendor's Stacked Score in the table above, then click through to the vendor. Stacked does not sell peptides.
- Who has the cheapest Semax?
- The current lowest price is $1.80/mg from Pure RX Peptides (Stacked Score 62/100). Cheapest isn't automatically best, weigh each vendor's testing and Stacked Score, not price alone, before ordering.
- Is Semax legal to buy?
- Semax and other research peptides are sold strictly for laboratory and research use, they are not approved by the FDA for human consumption. Legal status and import rules vary by country and are the buyer's responsibility. For research purposes only; not medical advice.
Affiliate Disclosure
Stacked earns a commission on qualifying purchases made through the vendor links on this page. Affiliate relationships do not influence our Stacked Score or which vendors we track. Per FTC guidelines, all sponsored links are marked rel="sponsored".