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.

5 Best Vitamins For Cystic Acne That Clear Skin

A woman with clear, glowing skin smiles at her reflection in a bathroom mirror while holding a bottle of Zinc Picolinate 50mg supplement, suggesting its benefits for acne and overall skin health.

  In Brief Safety: Vitamin A is effective but fat-soluble. High doses can become toxic to the liver. Do not take more than 10,000 IU daily without medical supervision. Effectiveness: Clinical studies show that oral Zinc can reduce inflammatory acne…

7 Best Mens Vitamins That Actually Boost Energy

A middle-aged man with grey hair, smiling and full of energy, performs a kettlebell swing during a gym workout, symbolizing the vitality and fitness benefits of maintaining optimal vitamin levels.

  In Brief Safety: High doses of Zinc (over 50mg) can deplete Copper levels, leading to anemia. Always ensure a proper Zinc-to-Copper ratio if supplementing long-term. Effectiveness: Multivitamins often fail because they use cheap “oxide” forms of minerals. Clinical data…

What Is the Best Multivitamin for Men?

A man with a confused and overwhelmed expression compares two multivitamin bottles in a grocery store aisle overflowing with hundreds of supplement options, illustrating the concept of "decision fatigue" when choosing the right product.

  In Brief Safety: Men should generally avoid multivitamins with Iron. Unlike women, men have no monthly output for iron, and excess levels can damage the heart and liver. Effectiveness: A quality men’s multi must use “methylated” B-vitamins (e.g., Methylfolate)…

How to Rebuild Cartilage Naturally Without Surgery

Person performing a low-impact elliptical workout to demonstrate the benefits of cyclic loading for joint health and cartilage nutrition.

  In Brief Safety: Glucosamine and Chondroitin can interact with blood thinners like Warfarin. Always consult your doctor before starting high-dose joint protocols. Effectiveness: While “regrowing” lost cartilage is difficult, clinical data confirms we can slow degradation and thicken existing…