Comparison · Cognitive
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Compare up to 4 peptides from the Cognitive category. Tick any two or more — mechanism, protocols, side effects, stacking partners, and best $/mg update instantly.
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Tick any 2–4 peptides from this category. The comparison updates instantly.
4 / 4 selected
- Students looking for a study aid without frequent dosing
- Professionals needing sustained mental clarity
- Biohackers interested in cutting-edge cognitive enhancers
- People curious about boosting focus and memory naturally
- Curious minds interested in brain health
- People exploring options for cognitive support
- Those researching post-stroke recovery possibilities
- Individuals keen on international research developments
- Busy professionals juggling multiple projects who need to stay calm and focused.
- Students looking for a study aid that promotes a relaxed concentration.
- Anyone interested in exploring alternatives to traditional anxiety management options.
- Biohackers curious about cognitive enhancers with a longer-lasting effect.
- Lifelong learners wanting to keep their memory sharp
- Biohackers interested in cutting-edge cognitive support
- Older adults aiming to maintain mental agility
- Anyone uncomfortable with limited research data
- Those sensitive to stimulants or overstimulation
- Individuals who prioritize well-studied options
- Anyone seeking FDA-approved treatments in the U.S.
- Folks uncomfortable with injections
- Those looking for a one-size-fits-all solution
- Those looking for a clinically-approved treatment for anxiety or mood disorders.
- Individuals who prefer well-researched, mainstream health supplements.
- People sensitive to nasal sprays or prone to headaches.
- Those seeking a quick fix for cognitive issues
- Individuals uncomfortable with experimental compounds
- People looking for solutions with extensive human trials
- Long-acting nootropic profile
- BDNF / NGF signaling (presumed)
- Attention / working-memory endpoints
- Neurotrophic signaling
- Post-stroke recovery research
- Cognitive-aging research
- Extended half-life versus Selank
- Anxiolytic-adjacent research
- Attention and calm-focus endpoints
- Neurogenesis promotion
- Tau-pathology modulation (preclinical)
- Memory endpoints in aging models
Adamax is an adamantane-modified analog of N-Acetyl Semax Amidate, combining terminal stabilization (N-acetyl and C-terminal amide) with a bulky adamantyl group to further improve lipophilicity, BBB …
Cerebrolysin is not a single peptide but a complex mixture of low-molecular-weight neuropeptides and free amino acids derived from enzymatically-hydrolyzed porcine brain tissue. Research suggests it …
N-Acetyl Selank Amidate is a stabilized analog of Selank with an N-terminal acetyl group and a C-terminal amide, modifications intended to slow peptidase degradation and extend duration of action. It…
P21 (also P021) is an 11-amino-acid peptide derived from an active region of ciliary neurotrophic factor (CNTF). Research from the Iqbal laboratory suggests it mimics CNTF's neurogenic effects withou…
- Nasal irritation or dryness
- Headache, particularly early in a cycle
- Irritability or overstimulation if dosed late in the day
- Injection-site discomfort or warmth
- Transient agitation or sleep disturbance if dosed late
- Mild dizziness or headache
- Nasal irritation or dryness
- Mild drowsiness at higher doses
- Headache in a minority of users
- Injection-site reactions
- Mild headache reported anecdotally
- Limited stability without the adamantane modification
- Pregnancy and lactation
- Acute psychiatric illness or uncontrolled bipolar disorder
- Concurrent use with psychostimulants or MAO inhibitors without medical supervision
- Pregnancy and lactation
- Known hypersensitivity to porcine proteins
- Status epilepticus or active seizure disorder
- Pregnancy and lactation
- Concurrent benzodiazepine or CNS-depressant therapy without medical supervision
- Known hypersensitivity to tuftsin-family peptides
- Pregnancy and lactation
- Active malignancy (theoretical concern with neurotrophic/growth-promoting agents)
- Known hypersensitivity
Think of it as
Think of it as a brain booster with a longer shelf life.Best for
- Students looking for a study aid without frequent dosing
- Professionals needing sustained mental clarity
- Biohackers interested in cutting-edge cognitive enhancers
- People curious about boosting focus and memory naturally
Probably not for you if…
- Anyone uncomfortable with limited research data
- Those sensitive to stimulants or overstimulation
- Individuals who prioritize well-studied options
Key benefits
- Long-acting nootropic profile
- BDNF / NGF signaling (presumed)
- Attention / working-memory endpoints
Mechanism of action
Adamax is an adamantane-modified analog of N-Acetyl Semax Amidate, combining terminal stabilization (N-acetyl and C-terminal amide) with a bulky adamantyl group to further improve lipophilicity, BBB …
Typical protocol
Reported side effects
- Nasal irritation or dryness
- Headache, particularly early in a cycle
- Irritability or overstimulation if dosed late in the day
Contraindications
- Pregnancy and lactation
- Acute psychiatric illness or uncontrolled bipolar disorder
- Concurrent use with psychostimulants or MAO inhibitors without medical supervision
Stacks well with
Best $/mg
Think of it as
Think of it as a workout for your brain cells.Best for
- Curious minds interested in brain health
- People exploring options for cognitive support
- Those researching post-stroke recovery possibilities
- Individuals keen on international research developments
Probably not for you if…
- Anyone seeking FDA-approved treatments in the U.S.
- Folks uncomfortable with injections
- Those looking for a one-size-fits-all solution
Key benefits
- Neurotrophic signaling
- Post-stroke recovery research
- Cognitive-aging research
Mechanism of action
Cerebrolysin is not a single peptide but a complex mixture of low-molecular-weight neuropeptides and free amino acids derived from enzymatically-hydrolyzed porcine brain tissue. Research suggests it …
Typical protocol
Reported side effects
- Injection-site discomfort or warmth
- Transient agitation or sleep disturbance if dosed late
- Mild dizziness or headache
Contraindications
- Pregnancy and lactation
- Known hypersensitivity to porcine proteins
- Status epilepticus or active seizure disorder
Best $/mg
Think of it as
Think of it as a longer-lasting chill pill for your brain.Best for
- Busy professionals juggling multiple projects who need to stay calm and focused.
- Students looking for a study aid that promotes a relaxed concentration.
- Anyone interested in exploring alternatives to traditional anxiety management options.
- Biohackers curious about cognitive enhancers with a longer-lasting effect.
Probably not for you if…
- Those looking for a clinically-approved treatment for anxiety or mood disorders.
- Individuals who prefer well-researched, mainstream health supplements.
- People sensitive to nasal sprays or prone to headaches.
Key benefits
- Extended half-life versus Selank
- Anxiolytic-adjacent research
- Attention and calm-focus endpoints
Mechanism of action
N-Acetyl Selank Amidate is a stabilized analog of Selank with an N-terminal acetyl group and a C-terminal amide, modifications intended to slow peptidase degradation and extend duration of action. It…
Typical protocol
Reported side effects
- Nasal irritation or dryness
- Mild drowsiness at higher doses
- Headache in a minority of users
Contraindications
- Pregnancy and lactation
- Concurrent benzodiazepine or CNS-depressant therapy without medical supervision
- Known hypersensitivity to tuftsin-family peptides
Best $/mg
Think of it as
Think of it as a brain booster without the typical baggage.Best for
- Lifelong learners wanting to keep their memory sharp
- Biohackers interested in cutting-edge cognitive support
- Older adults aiming to maintain mental agility
Probably not for you if…
- Those seeking a quick fix for cognitive issues
- Individuals uncomfortable with experimental compounds
- People looking for solutions with extensive human trials
Key benefits
- Neurogenesis promotion
- Tau-pathology modulation (preclinical)
- Memory endpoints in aging models
Mechanism of action
P21 (also P021) is an 11-amino-acid peptide derived from an active region of ciliary neurotrophic factor (CNTF). Research from the Iqbal laboratory suggests it mimics CNTF's neurogenic effects withou…
Typical protocol
Reported side effects
- Injection-site reactions
- Mild headache reported anecdotally
- Limited stability without the adamantane modification
Contraindications
- Pregnancy and lactation
- Active malignancy (theoretical concern with neurotrophic/growth-promoting agents)
- Known hypersensitivity
Stacks well with
Best $/mg
For research purposes only. Not medical advice.