Kay Russell

Kay Russell

Kay Russell is the lead product researcher and supplement strategist for VitaminProGuide.com. A graduate of Indiana University, Kay has spent over a decade deconstructing nutritional labels and investigating the physiological impacts of natural compounds on metabolic health.

Kay’s approach is rooted in evidence-based wellness, focusing on separating clinical research from marketing hype. Whether she is testing the absorption rates of liquid tinctures or analyzing the purity of plant-based superfoods, her mission is to provide readers with first-hand experience and laboratory-backed insights.

When she isn’t deep-diving into NIH clinical trials, Kay can be found hiking the trails of the Midwest or experimenting with nutrient-dense, plant-based recipes in her kitchen.

eNOS and iNOS in Nerves: Key Differences Explained

Body Nerve System

Distinguishing Between eNOS and iNOS in Nerves The biological distinction between nitric oxide synthase eNOS vs iNOS in nerves is fundamental to understanding how our bodies manage cellular signaling and inflammatory responses. These two enzymes, while sharing a common name,…

Finding the Right Niacinamide Serum Percentage for Sensitive Skin

Woman with facial cream and pink hydrangea, symbolizing natural skincare beauty

Selecting the Optimal Niacinamide Serum Percentage for Sensitive Skin Determining the ideal niacinamide serum percentage for sensitive skin requires a nuanced understanding of how this water-soluble vitamin interacts with the epidermal barrier. While many commercial formulations feature high concentrations, the…