Splitting Vyvanse for a Smoother Curve

What this episode covers

How does splitting a Vyvanse dose actually change your blood concentration curve? We dive deep into the pharmacokinetics of lisdexamfetamine, a prodrug that converts to dextroamphetamine in your red blood cells. We explore the science behind water titration, the impact of stagger intervals (two, four, or six hours), and why a three-part split might create a smoother plateau than a single dose. We also discuss the tools available for modeling your personal curve, the surprising effect of urinary pH on half-life, and why your psychiatrist might be onto something with this experimental dosing protocol.

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Frequently Asked Questions

How long is this episode of My Weird Prompts?

This episode is 39 minutes long.

When was this My Weird Prompts episode published?

This episode was published on June 18, 2026.

What is this episode about?

How does splitting a Vyvanse dose actually change your blood concentration curve? We dive deep into the pharmacokinetics of lisdexamfetamine, a prodrug that converts to dextroamphetamine in your red blood cells. We explore the science behind water...

Can I download this My Weird Prompts episode?

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