S5: EP 9: The Microbiome-Scale Connection: Healthy Weight Loss by Healing the Gut with Dr. Jessie Hehmeyer, MS, DC, LDN, CNS
If you've ever felt stuck on a weight loss plateau despite doing "everything right," this conversation might explain why.
On a recent episode of the podcast, we sat down with Dr. Jessie Hehmeyer, physician founder of Well Empowered, to dig into what she calls the gut-scale connection — the surprisingly powerful relationship between your gut microbiome, inflammation, and your ability to lose weight.
Dr. Hehmeyer practices data-driven functional medicine, combining a root-cause approach with real lab data to help her clients get measurable results. Here are the biggest takeaways from our conversation.
Inflammation Traps Your Body in "Fat Storage Mode"
When inflammation is elevated in the body, it pushes the body into what she describes as caloric conservation — essentially, fat storage mode. It becomes a self-perpetuating cycle: inflammation drives fat storage, which can then contributes to more inflammation.
In her practice, Dr. Hehmeyer uses lab testing to actually measure inflammation levels in her clients. When inflammation is elevated, she often spends three to four weeks working intensively on nutrition, lifestyle, and targeted supplementation before clients even see the scale move — because until that inflammatory cycle is interrupted, the body simply won't release and burn stored energy.
Where Does the Inflammation Come From?
Inflammation isn't one-size-fits-all. According to Dr. Hehmeyer, common sources include:
Latent systemic infections (yeast overgrowth, viral or chronic bacterial infections)
A diet high in pro-inflammatory foods
Autoimmune conditions
Imbalances in the gut microbiome
And yes — the microbiome (the ecosystem of bacteria, yeasts, viruses and parasites in the gut) itself can be a sneaky contributor. Blood sugar imbalances also play a major role: pro-inflammatory foods tend to fuel the blood sugar rollercoaster, and mastering blood sugar stability has a powerful downstream effect on reducing inflammation.
The Under-Eating Trap
A pattern Dr. Hehmeyer sees constantly with clients pursuing weight loss: under-eating or skipping meals — often simply because they're busy and forget to eat — which sets them up to overeat later. The fix isn't more willpower; it's regular meals built around adequate protein and fiber, which helps prevent the hunger and cravings that hit before dinner.
Aging, Detox, and Nutrient Deficiencies
As we get older, our detox pathways — liver, gallbladder, and the microbiome itself — often become less efficient, much like a car showing wear and tear over time. The gut microbiome plays a direct role in processing and eliminating toxins; when the microbial balance is off, toxins can actually be reabsorbed instead of cleared.
Nutrient deficiencies compound the problem. Dr. Hehmeyer pointed to several converging factors she sees in her clients:
Restrictive diets (self-imposed or recommended to manage gut symptoms) that are often deficient in B vitamins and other nutrients essential for detoxification
Poor absorption due to underlying gut imbalances
Depleted modern food supply, with lower mineral and B-vitamin content than in past decades due to modern farming practices
Proton pump inhibitors (prescription strength antacids) which reduce stomach acid and impair the body's ability to break down and absorb nutrients
Chronic stress, which shifts the body into “fight-or-flight” mode and away from "rest and digest" — reducing bile and pancreatic enzyme output needed to break down fat, protein, and carbs
Is It Really a Food Sensitivity?
One especially important point from the episode: many people assume that bloating, heartburn, or discomfort after eating means they have a food sensitivity. And while sensitivities are real, Dr. Hehmeyer notes that — especially as we age — it's often a matter of reduced digestive function - lower stomach acid, lower enzyme output, and lower bile production - making it harder to properly digest food. That difficulty digesting, not necessarily the food itself, can be what's driving the bloating and gas.
The Microbiome and Cravings: It's Not You, It's your bacteria
Perhaps the most fascinating part of the conversation was the discussion of cravings. When beneficial bacteria are crowded out — often by yeast overgrowth — those microbes can essentially hijack the brain, driving cravings for the sugar and simple carbs that allow them to thrive.
Dr. Hehmeyer assesses this through a combination of blood testing and microbiome testing, looking at yeast markers from two different angles. When yeast overgrowth is identified and addressed — through targeted antifungals and dietary shifts — clients often notice a dramatic shift in "food noise" within just 10 to 14 days.
She shared an example of a client struggling with intense carb and sugar cravings, depression, and difficulty focusing. After starting a protocol with targeted antimicrobial supplements and some dietary adjustments, his cravings were almost completely gone within about a week.
The bigger message here: if you've been blaming yourself for a lack of willpower around cravings, it may not be a willpower issue at all — it may be your gut bacteria driving the bus.
The Gut-Blood Sugar-Cravings Loop
Rounding out the conversation, Dr. Hehmeyer highlighted the connection between the gut microbiome and blood sugar regulation — which ties directly back to cravings. She specifically called out Akkermansia, a bacterial strain getting significant attention in research for its role in stabilizing blood sugar and improving cardiovascular health markers, including lipid panels.
supporting weight loss with a holistic, sustainable approach
If you've been stuck on a weight loss plateau, dealing with unexplained bloating, or fighting cravings that feel impossible to control, this conversation is a reminder that the answer often isn't more restriction or more willpower — it's understanding what's actually happening in your gut. Inflammation, blood sugar imbalances, nutrient deficiencies, and microbial imbalances can all be quietly working against you, and they're all addressable with the right root-cause approach.
To learn more about Dr. Jessie Hehmeyer's data-driven functional medicine approach, visit Well Empowered or check out her free resources and consultation options.