.grx-pd { /* no font-size: inherits the theme's body text size so this block matches surrounding UI on both Shopify and Zoey */ max-width: 760px; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: #1a1a1a; line-height: 1.5; } .grx-pd__intro { font-size: 1em; margin: 0 0 1.75rem; } /* em = relative to inherited body size */ .grx-pd__intro strong { color: #0f0f0f; } /* auto-fit grid: cards reflow from 1 col on mobile to 2 on wider screens without media queries */ .grx-pd__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin: 0 0 2rem; } .grx-pd__card { background: #f7f8fa; color: #3d3d3d; border-radius: 0; padding: 16px 18px; font-size: 1em; /* matches theme body text exactly */ transition: box-shadow .15s ease, transform .15s ease; } .grx-pd__card:hover { /* subtle lift signals these are discrete data points, not a plain list */ box-shadow: 0 4px 14px rgba(0,0,0,.06); } .grx-pd__card-title { /* larger + heavier than body so the mechanism reads first, body copy second */ display: block; font-size: 1em; font-weight: 700; color: #0f0f0f; margin: 0 0 .5rem; line-height: 1.5; } /* disclaimer intentionally low-contrast + small: legally present, visually de-emphasized */ .grx-pd__legal { border-top: 1px solid #e6e8ec; padding-top: 1.5rem; font-size: 1em; color: #6b7280; line-height: 1.55; } .grx-pd__legal p { margin: 0 0 .6rem; font-size: 1em;} .grx-pd__legal p:last-child { margin-bottom: 0; } PE22-28 is a synthetic peptide fragment derived from spadin that selectively modulates TREK-1 potassium channels, which are involved in regulating neuronal excitability. By targeting these channels, PE22-28 influences neurophysiological pathways associated with synaptic transmission and neuronal signaling. TREK-1 Channel ModulationPE22-28 has been evaluated in peer-reviewed literature for its potential role in modulating TREK-1 channel activity, which is associated with neuronal membrane stabilization. Potassium Ion Flux RegulationPE22-28 is associated with supporting neuroprotective mechanisms through regulation of potassium ion flux in neuronal cells. Synaptic Plasticity InfluencePE22-28 has been studied for its role in influencing neurotransmitter release and synaptic plasticity in preclinical models. Neuronal Excitability and CognitionPE22-28 may support cognitive function by modulating ion channel activity linked to neuronal excitability and signal transduction. Mood-Related Neural CircuitryPE22-28 has been evaluated in animal studies for its effects on neural circuitry involved in mood-related pathways. This product is intended for use by licensed healthcare providers in clinical settings. It is not intended for consumer sale. Buyer/doctor has determined and documented that the use of this product is appropriate for the patient based on the assessment of the patient's needs. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. For professional use only.