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Progress in Nucleic Acid Research and Molecular Biology

Cysteine is not a substrate but a specific modulator of human ASCT2 (SLC1A5) transporter

As cognitive enhancers The most common use is as cognitive enhancers for productivity for example, college students during exams, professionals in high-demand jobs, or others who want to boost focus and memory

Often imported illegally from overseas Buying peptides from overseas websites is common and is also where most safety problems originate

Many contain hydrophobic regions that readily bind to plastic surfaces, pulling active peptide out of solution and depositing it on the container walls