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A 2025 human pilot study reported no adverse cardiac, hepatic, or renal effects at IV doses of 10-20mg

If you fish around the internet enough, you will find some anecdotal claims of insomnia and restlessness linked to excessive B12 intake, but direct causality has yet to be analyzed by experts

This cycling approach aligns with how experienced researchers structure peptide protocols for optimal results with minimal intervention

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Their approach is: Individualized Patient-centered Science-based Their focus is on partnering with you to address the underlying causes of disease and promote optimal wellness