Oxiracetam
Oxiracetam is a water-soluble racetam that may enhance memory & cognitive function, particularly in tasks involving spatial & logical reasoning. It is primarily used by individuals seeking cognitive enhancement.
Evidence last reviewed: 05 Apr 2026
Oxiracetam has shown moderate effectiveness in improving cognitive function in specific populations, such as those with traumatic brain injury and vascular cognitive impairment. However, the evidence for its use in preventing cognitive decline and enhancing memory in dementia is less robust, indicating a need for further studies.
Memory enhancementPatients with mild to moderate dementia · RCTLow
Oxiracetam showed potential in enhancing memory in patients with mild to moderate dementia.
Cognitive function improvementPatients with traumatic brain injury · RCTModerate
Oxiracetam showed improvement in cognitive function as measured by the LOTCA score.
Cognitive decline preventionPatients post-stroke · RCTLow
Oxiracetam may have a modest effect on preventing cognitive decline in post-stroke patients.
Cognitive function in vascular cognitive impairmentPatients with vascular cognitive impairment · RCTModerate
Oxiracetam was found to be effective in improving cognitive function in patients with vascular cognitive impairment.
Cognitive & Neuroplasticity Enhancement
Oxiracetam & lion's mane mushroom are combined to enhance cognitive function & neuroplasticity. Oxiracetam is known for its memory-enhancing effects, while lion's mane mushroom supports neurogenesis & cognitive performance.
Forms & usage▾
Typical doses range from 800 mg to 2400 mg per day, taken in divided doses with water.