Coaches Corner

Ask Dr. Cohen Is Red Wine Good for Long Life & Health? Updated September 24, 2025 • PureClean Performance The Question You’ve probably heard that red wine can be healthy, but is it really good for longevity and performance—or just hype? Most articles talk about generic antioxidants, but the deeper story comes down to gut health, polyphenols, and the way your body responds to small hormetic stressors. The Problem Alcohol itself is not a health food. Too much can damage your gut, your liver, and your metabolism. And not all wines are created equal—most supermarket bottles are high in sulfites,...

Shopper’s Guide Dirty Dozen & Clean Fifteen: The EWG’s 2024 Shopper’s Guide to Pesticides in Produce™ Updated September 24, 2025 • PureClean Performance Every year, the Environmental Working Group (EWG) analyzes the most recent USDA data to compile its Clean 15 and Dirty Dozen lists. These list the types of fruits and vegetables that tend to be grown with the most and least pesticides, based on the latest available numbers. The Dirty Dozen and Clean 15 list we have you for in today's article helps guide you toward the produce you should prioritize buying organic from a health perspective and...

We recently came across an interesting experiment by Nate Green examining the extreme weight-cutting practices used by some professional MMA fighters. The experiment demonstrated something that matters far beyond combat sports: rapid weight loss is not the same thing as improving body composition or performance. Green dropped roughly 20 pounds in five days through aggressive manipulation of hydration, carbohydrate intake, sodium, food intake, and sweating. The scale moved dramatically—but his physical performance deteriorated with it. After the cut, his vertical jump fell, his bench-press endurance dropped from 15 repetitions to only 5, and his treadmill performance was dramatically impaired. After...

By Dr. Rick Cohen • Updated September 19, 2025 In Part 1 we looked at the most effective protein sources for your budget. Here, we go deeper into how protein actually works in your body—why some sources move the needle for strength, recovery, and body composition while others fall short. Short version: not all protein is created equal. What does “nutritional value” of protein really mean? When we talk about a protein’s nutritional value, we’re asking how effectively it supports biological protein synthesis (BPS)—the process your body uses to build and repair muscle, connective tissue, enzymes, and more. Key drivers...