Gloss Angeles Podcast Episode Summary

Episode: GLP-1s, “Fibermaxxing,” and Pooping: A Gastroenterologist Explains the Gut-Brain Connection
Date: March 10, 2026
Hosts: Kirbie Johnson and Sara Tan
Guest: Dr. Trisha Pasricha—gastroenterologist, physician-scientist, Ask a Doctor columnist, and author of You’ve Been Pooping All Wrong

Overview

This episode dives deep into the gut-brain connection, debunking digestive myths, exploring fiber’s newfound popularity, the physiological effects of stress, and the intersection of GI health and modern wellness trends. Dr. Trisha Pasricha brings scientific expertise, clinical insights, and humor to the table, sharing practical tips for optimizing gut health, discussing the latest research on GLP-1 medications, and clarifying oft-misunderstood gastrointestinal issues, especially those that impact women.

Key Discussion Points & Insights

Fiber-Maxxing & Gut-Healthy Habits

Timestamp: 02:16–05:04

• Dr. Pasricha’s Daily Diet: Emphasizes a "fibermaxxing" approach—with 25+ grams of fiber daily. Her go-tos: Greek yogurt, nuts, berries, salads (high-fiber veggies), lentils, and Indian food staples.
• High-Fiber Vegetable Picks: "I do eat a lot of peas, eat a lot of brussels sprouts. These are really high in fiber. And then I eat a lot of legumes. Like in Indian cuisine, we eat a lot of lentils and things those are chock full of fiber." (Dr. Pasricha, 03:45)
• Fiber Supplements: Recommends psyllium husk as a non-branded, effective fiber supplement, stressing that it should supplement—not replace—a fiber-rich diet.
• On Fiber Trendiness:
  Kirbie: "Fiber is the new protein. Whoever fiber’s publicist is, is doing a great job." (02:52)
  Dr. Pasricha: "We failed for like decades and suddenly fiber maxing is so in." (03:00)

Gut as the “Second Brain”

Timestamp: 05:10–06:18

• Enteric Nervous System: Dr. Pasricha explains it as a network of neurons in the gut, acting as "a brain" to regulate hormones, mood, and immune function.
  "People think about the gut as just plumbing. It’s a brain." (Dr. Pasricha, 05:19)
• Communication via Vagus Nerve: Connects gut and brain, influencing both directions.

Stress & The Gut

Timestamp: 06:18–08:59

• Acute Stress Effects: Causes stomach to halt and colon to speed up, leading to “butterflies” or urgent bathroom trips.
• Long-term Stress: Chronic stress can rewire gut neurons, potentially causing or worsening constipation.
• Coping Tip: Eating a small, bland snack can sometimes quiet stress-induced nausea by kickstarting stomach movement.

Bloating: Causes & Solutions

Timestamp: 09:00–13:05

• Common Causes: Cruciferous veggies, beans/legumes, artificial sweeteners, chewing gum, slow bowels—even CPAP machines!
• Underdiagnosed Issue: Abdominophrenic dysynergia—where the diaphragm pushes on the gut, simulating bloat.
  "It can actually be really nicely treated without you necessarily having to change your diet or lifestyle." (Dr. Pasricha, 11:48)
• Advice on Fiber Maxxing: Ramp fiber intake slowly (over 2–3 months) to let your microbiome adapt and prevent bloating.

Wellness Trends: Lymphatic Massages, Squatty Potties, and Pooforia

Timestamp: 13:05–16:20

• Lymphatic Drainage & Abdominal Massage: "The data is not overwhelming... but if you enjoy it, no harm." (Dr. Pasricha, 13:10)
• Squatty Potty Benefits: Raising knees above waist aligns the rectum, reducing straining.
  "We should have invested in it, for sure, because we would have made…" (Dr. Pasricha, 13:31) "You might be amazed at what you’re missing out on when you start doing this." (14:48)
• Three Steps to Pooforia:
  1. Increase fiber (via food or supplements).
  2. Use a stool to elevate your feet on the toilet.
  3. Don’t bring your smartphone into the bathroom (prevents straining and hemorrhoids). (15:23)

Phone Use & Hemorrhoids

Timestamp: 17:01–19:13

• Smartphone Study: Dr. Pasricha’s research linked prolonged sitting on the toilet (with a phone) to rising rates of hemorrhoids. "That was my study that came out last year… this study put my lab on the map." (Dr. Pasricha, 17:41) "Just doom scroll with your pants on. Put the seat down… but don’t strain." (Dr. Pasricha, 17:55)

Period Poops, Prostaglandins, and Women’s GI Health

Timestamp: 19:41–24:15

• Period Poops: Driven by prostaglandins, which cause both uterine and gut contractions during menstruation—explaining diarrhea and pain.
• Dealing With Cramps & Diarrhea: Early NSAID use can blunt prostaglandin effects (but use judiciously).
• Estrogen’s Role in IBS:
  "Estrogen is an important modulator and signal for pain… women tend to feel more pain in our guts." (Dr. Pasricha, 22:21)
  • Post-menopause, GI pain may decrease, but other issues (bloating/constipation) can increase.

Funding Gaps in Women’s GI Research

Timestamp: 24:15–25:51

• Only 8% of NIH funding goes toward women’s health.
• Female researchers face more barriers, fewer promotions, and drop out of research pipelines, leading to slower progress on women’s GI health. "Most of the patients are women… when we don’t give people funding… the people who suffer first are the female researchers." (Dr. Pasricha, 25:04)

Red Flag GI Symptoms & Early Screening

Timestamp: 25:52–31:03

• Red Flags Not to Ignore: Bleeding, unexplained pain, iron deficiency anemia, any sudden change in GI habits—especially with a family history.
• Colonoscopy Guidelines:
  • Start at 45 for average risk
  • Start 10 years before earliest family diagnosis for elevated risk
  • Track where and at what age relatives had GI cancers.
• Cologuard (At-Home Kit): Good alternative if colonoscopy is impossible, but colonoscopy is still the only method that prevents cancer by removing polyps. "If I can convince anyone to do that, I want to convince them to do that." (Dr. Pasricha, 31:43)

GLP-1s (e.g. Ozempic, Wegovy) & Digestion

Timestamp: 31:52–33:38

• Dr. Pasricha is supportive, noting side effects but also benefits: reduced colon cancer risk, protection against ulcers.
• Most GI side effects (constipation, nausea) peak early and can be managed (often with fiber supplement). "If you can stick through it, the benefits you’re going to get from a GLP-1… vastly outweigh the risks." (Dr. Pasricha, 33:29)

Myths, Quick Fixes, and Gut Health Products

Timestamp: 33:38–38:36

• Biggest Digestive Myth: "People believe that you have to go once a day… you can go anywhere from once every three days to three times a day… all of that’s within the range of normal." (Dr. Pasricha, 33:44)
• Gluten Intolerance: Real but often misattributed; sometimes it’s fructans (not gluten) causing issues—work with a professional.
• Digestive Enzymes vs. GasX:
  • Use enzymes if fiber is the culprit and you need quick relief, but don’t rely on them long-term; better to train your gut gradually.
• Probiotic Supplements & Drinks: Data is underwhelming—best to get probiotics from fermented foods (yogurt, kombucha, etc.) rather than supplements or probiotic sodas. "The data is not great for almost any form of probiotic supplement that's not naturally present in a food." (Dr. Pasricha, 37:12) "The answer is never a probiotic soda… eat more fermented foods." (Dr. Pasricha, 37:33)

Notable Quotes & Memorable Moments

• On fiber trendiness:
  • "Whoever fiber’s publicist is, is doing a great job." (Kirbie, 02:58)
• On stress in millennial women:
  • "You’ve described me perfectly. Millennial mom, just picked two kids, career." (Dr. Pasricha, 06:32)
• On period poops:
  • "A lot of women have this problem where they're bleeding and they have diarrhea, and it's the most miserable combination they've ever experienced..." (Dr. Pasricha, 20:29)
• On colonoscopy prevention:
  • "The colonoscopy prevents cancer. None of these other tests do that." (Dr. Pasricha, 31:29)
• On using the phone on the toilet:
  • "I'm not trying to take that from you…doom scroll with your pants on… just don't strain." (Dr. Pasricha, 17:55)
• On pooforia:
  • "It's more than just about being regular. It's about thriving on the toilet." (Kirbie, 15:10)

Timestamps for Important Segments

• Fibermaxxing & diet tips: 02:16–05:04
• Gut-brain connection explained: 05:10–06:18
• Stress & the gut: 06:18–08:59
• Causes and fixes for bloating: 09:00–13:05
• Squatty Potty & bathroom hacks: 13:28–14:48
• Three steps to pooforia: 15:10–15:23
• Phones, hemorrhoids, & bathroom habits: 17:01–19:13
• Period poops & prostaglandins: 19:41–21:49
• Estrogen, perimenopause & IBS: 22:00–24:15
• GI research & funding gaps: 24:15–25:51
• Colonoscopy, family history, and screening: 28:46–31:03
• GLP-1s and digestive health: 31:52–33:38
• Digestive myths and probiotics: 33:38–38:36

Practical Takeaways

• Ramp up fiber intake slowly (over 2–3 months) to let your gut microbiome adapt.
• Eat high-fiber foods (beans, lentils, brussels sprouts) and supplement if needed (psyllium husk preferred).
• Adopt better toilet posture (knees above waist) to ease elimination.
• Limit time and phone use on the toilet to prevent hemorrhoids.
• Recognize hormone shifts (period, perimenopause, hormone therapy) can directly impact gut symptoms.
• Family health history matters: Know who had GI disease and at what age for better screening.
• Colonoscopy is preventive, not just diagnostic—do not substitute at-home tests if you’re eligible for a colonoscopy.
• GLP-1s are not GI villains: Most effects are short-term and manageable, benefits (including anti-cancer potential) can be significant.
• Probiotic-rich foods > supplements: Go for yogurt, fermented foods, not pills or trendy sodas.

Concluding Notes

Dr. Pasricha’s practical, science-backed advice de-stigmatizes bowel health while giving listeners actionable steps for happier guts—whether that means slowly fibermaxxing, adjusting bathroom habits, or advocating for yourself (and women) in the healthcare system. Her much-anticipated book, You’ve Been Pooping All Wrong, is slated for April 7th release.

End of summary.