Dr. Rick's Insights
Do Long Workouts Lower Testosterone? - Ask Dr. Rick Cohen, M.D.
Ask Dr. Cohen #2 Low Testosterone in Men, Zone Workouts, When to Drink Amino Acids, and the Best Vitamin D Supplement By Dr. Rick Cohen • Updated September 8, 2025 Welcome to the Ask Dr. Cohen series, part #2! Got a question? Submit it here or use the chat button and it may be featured in a future article. Do long workouts lower testosterone in men? Yes. Numerous clinical studies confirm that intense workouts lasting over one hour decrease testosterone. Why? At about the 60-minute mark, the body ramps up stress hormone output (especially cortisol) to protect itself from sustained...
Here's why donating blood is not only helpful but healthy - Ask Dr. Rick Cohen, M.D.
Ask Dr. Cohen #3 Should You Donate Blood, How Many Nitrates Do You Need, and What Makes PureClean Supplements Special? By Dr. Rick Cohen • Updated September 8, 2025 Welcome to the Ask Dr. Cohen series, part #3! Got a question? Submit it here or use the chat button and it may be featured next time. Should men over 30 donate blood for health? Yes—especially if you’re male and over 30. Iron overload is one of the most overlooked health risks today. Most people are copper deficient and iron overloaded, which damages mitochondria and drives chronic disease. Regular blood donation...
What are the best beet nitrate oxide supplements? Ask Dr. Rick Cohen, M.D.
Ask Dr. Cohen #4 Nitric Oxide Boosts, Best Supplements, Amino Acids, and Protein By Dr. Rick Cohen • Updated September 8, 2025 Welcome to the Ask Dr. Cohen series, part #4! Got a question? Use this form or the chat button to have your question(s) answered in a future article. Can I take citrulline instead of beet juice for a nitric oxide boost? Thanks for the inquiry, Terry. The short answer: not if you want the real benefits. Products like Swiss RX are basically just citrulline with a touch of polyphenols—nothing special. If you’re looking for a more effective nitric...
Keto Coffee, Amino Acids, and Superfood Powders Explained
Keto Coffee, Amino Acids, and Superfood Powders By Dr. Rick Cohen • Last updated: September 2025 Welcome to the Ask Dr. Cohen series, part #5. Today we cover keto coffee, amino acids, and superfood powders—three tools that can support energy, fasting, and performance. These questions are based on what readers most often ask about our UnBeetABrew™, FundAminos, and ChocoBerry Blast products. Is UnBeetABrew better than regular coffee? UnBeetABrew combines organic freeze-dried coffee granules, beet powder, and medicinal mushrooms. Unlike standard coffee, it delivers natural nitrates, antioxidants, and adaptogens for smoother energy and cardiovascular benefits. Its formulation was inspired by traditional...