The Journal
Dr. Dave on what actually works.
Twenty years of clinical practice, distilled into honest writing on longevity, cellular health, and the protocols I use myself.
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Do Probiotics Need to Be Refrigerated? A Doctor Explains
Do probiotics need to be refrigerated? A doctor busts the fridge myth and explains why delivery and formulation matter far more.
Can Bloating Cause Weight Gain? A Doctor Explains
Can bloating cause weight gain? A doctor separates gas and water from real fat, explains the gut's role, and shares practical ways to feel less puffy.
Probiotics With Prebiotics: Why You Need Both
Probiotics with prebiotics explained: a doctor breaks down the difference, the synbiotic concept, and why a probiotic alone is half a product.
Latest from the Journal
Can Bloating Cause Weight Gain? A Doctor Explains
Can bloating cause weight gain? A doctor separates gas and water from real fat, explains the gut's role, and shares practical ways to feel less puffy.
Probiotics With Prebiotics: Why You Need Both
Probiotics with prebiotics explained: a doctor breaks down the difference, the synbiotic concept, and why a probiotic alone is half a product.
7 Signs of an Unhealthy Gut You Shouldn’t Ignore
A doctor walks through 7 common signs of an unhealthy gut, bloating, fatigue, cravings, and more, and what they say about your microbiome.
Probiotics and Bloating: Why a Good One Shouldn’t Upset You
Probiotics and bloating: a doctor explains why a good probiotic helps, why a cheap one can backfire, and what a quality formula should do.
The Best Prebiotic Foods (and Why Probiotics Need Them)
A doctor's list of the best prebiotic foods, garlic, onion, oats, bananas and more, and why a probiotic without prebiotics does only half the job.
Can You Take Too Many Probiotics? What a Doctor Says
Can you take too many probiotics? A doctor explains what 'too much' really looks like and why a bigger CFU number isn't better.
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One short letter every Sunday — what I'm reading, what I'm experimenting with, and the protocols I'm refining.
More from the archive
How to Improve Your Gut Health: A Doctor’s Guide
A doctor's practical guide on how to improve gut health, diet diversity, fermented foods, sleep, stress, antibiotics, and the probiotic-prebiotic combo.
How Long Do Probiotics Take to Work? A Doctor Explains
How long do probiotics take to work? A doctor gives a realistic timeline, the signs they're working, and why consistency matters.
Telomerase Activators: What They Are and How the Category Works
What is a telomerase activator? Dr. Dave Woynarowski, MD explains the category, the evidence behind TA-65, and where natural compounds and telomere support fit.
The Best Probiotic for Weight Loss (What Actually Works)
A doctor's honest take on the best probiotic for weight loss, what to look for in strains, prebiotics, and delivery, and what no pill can do.
The Best Time to Take a Probiotic (Morning or Night?)
Morning or night? With food or empty stomach? A doctor explains why probiotic timing matters far less than survival.
How to Choose a Probiotic That Actually Works: A Doctor’s 3-Point Checklist
Most probiotics are dead before they reach your gut. A doctor's 3-point checklist for choosing one that survives stomach acid and actually works.