The main claimed benefit for piracetam is not backwards recall right after supplementation; this seems to be a benefit, but it’s small. The main claimed benefit is reduction of long-term cognitive decline with high-dose piracetam over time. See for instance http://examine.com/supplements/Piracetam/#main_clinical_results . (You probably know this; this is directed at the other people reading your comment.)
The main claimed benefit for piracetam is not backwards recall right after supplementation; this seems to be a benefit, but it’s small. The main claimed benefit is reduction of long-term cognitive decline with high-dose piracetam over time. See for instance http://examine.com/supplements/Piracetam/#main_clinical_results . (You probably know this; this is directed at the other people reading your comment.)