Semax price per mg
As of Oct 21, 2026, 9 tracked vendors list Semax vials. The lowest is $2.12/mg at Biotech Peptides (25 mg for $53); the median across vendors is $3.00/mg.
A synthetic heptapeptide analog of an ACTH fragment.
| Vendor | Vial | Price | Per mg | vs median | Vendor score | Source |
|---|---|---|---|---|---|---|
| Biotech Peptides | 25 mg | $53 | $2.12 | −29% | 70/100 | product pageOct 21, 2026 |
| Swiss Chems | 30 mg | $73.95 | $2.47 | −18% | 70/100 | product pageOct 21, 2026 |
| Core Peptides | 25 mg | $63 | $2.52 | −16% | 83/100 | product pageOct 21, 2026 |
| 99 Purity Peptides | 30 mg | $79.99 | $2.67 | −11% | 60/100 | product pageOct 21, 2026 |
| Atomik Labz | 30 mg | $90 | $3.00 | median | 50/100 | product pageOct 21, 2026 |
| Atomik Labz | 10 mg | $35 | $3.50 | +17% | 50/100 | product pageOct 21, 2026 |
| 99 Purity Peptides | 10 mg | $49.99 | $5.00 | +67% | 60/100 | product pageOct 21, 2026 |
| Ascension Peptides | 10 mgregular $59.99 | $50sale price | $5.00 | +67% | 70/100 | product pageOct 21, 2026 |
| Spartan Peptides | 30 mg | $159 | $5.30 | +77% | 60/100 | product pageOct 21, 2026 |
| DRYPtides | 10 mg | $54 | $5.40 | +80% | 65/100 | product pageOct 21, 2026 |
| Penguin Peptides | 10 mg | $85 | $8.50 | +183% | 74/100 | product pageOct 21, 2026 |
| Penguin Peptides | 5 mg | $55 | $11.00 | +267% | 74/100 | product pageOct 21, 2026 |
Price per mg = vial price before codes ÷ labelled mg. A lower price says nothing about purity or whether the vial holds its labelled amount; check the vendor score and COA record before comparing on price alone.
DRYPtides lists Semax
Semax price-drop and restock alerts
An email when a tracked Semax vial drops in price per mg, comes back in stock, or gets a new lab result.
Questions
What is the cheapest Semax per mg?
Biotech Peptides at $2.12/mg (25 mg for $53), checked Oct 21, 2026. The median across 9 vendors is $3.00/mg.
How is Semax price per mg calculated?
Vial price before discount codes divided by labelled milligrams. Blends use their total labelled mg. Shipping is excluded.
Is the cheapest Semax the best?
Not necessarily. Price says nothing about purity or whether the vial holds its labelled amount; compare each vendor's COA and test score before buying.