This content is for educational purposes only. Not medical advice. Always consult a licensed healthcare professional before using any peptides.
Semax
The Brain Booster
Semax is a synthetic peptide derived from ACTH (adrenocorticotropic hormone) fragments 4-10. It is a potent nootropic that enhances BDNF (brain-derived neurotrophic factor) expression, supporting neuroplasticity, learning, memory, and overall cognitive performance without stimulant-like side effects.
If You Take This
- Increases BDNF expression for neuroplasticity
- Enhances learning and memory formation
- Improves attention and cognitive processing speed
- Neuroprotective against oxidative stress
- Supports recovery from brain injuries
- No stimulant crash or dependency
Protocol
Stacks Well With
Avoid With
Side Effects
- Mild nasal dryness
- Temporary hair shedding at high doses (rare)
- Irritability if taken too late in the day
Where to Buy
PepStack Price Guarantee
We track prices across 5+ verified vendors so you don't have to. Every vendor is vetted for purity testing, third-party COAs, and shipping reliability.
Prices last verified: April 3, 2026
| Vendor | Price | Vial Size | Purity | Shipping | Status | Coupon | |
|---|---|---|---|---|---|---|---|
Ascension Peptides★ 4.7 BEST PRICE | $3.98 | 10mg | 99%+ | 2-4 business days | In Stock | MYPEPSTACK | Buy Now → |
Pinnacle Peptide Labs★ 4.3 | $59.99 | 10mg | ≥99% | — | In Stock | — | Buy Now → |
Core Peptides★ 4.8 | $63.00 | 25mg | 99% | 2-3 business days | In Stock | — | Buy Now → |
DT Peptides★ 4.3 | $169.00 | — | In Stock | — | Buy Now → |
Ascension Peptides
★ 4.7MYPEPSTACKWe may earn a commission from purchases made through these links at no extra cost to you. This does not influence our recommendations. Learn more
For educational and informational purposes only. Not medical advice. Always consult a healthcare provider before starting any peptide protocol.