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June 5, 2026 — FxNutrition Intelligence
Evidence-driven intelligence for functional nutrition practitioners
A Nutrishify publication • Week of June 5, 2026
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A 5-day modified fasting program—just 600 calories daily—shifted gut microbiome composition, reduced inflammation markers, and lowered blood pressure after food reintroduction in a registered randomized controlled trial (RCT). Meanwhile, new systematic review evidence links vitamin D and zinc deficiencies to greater severity in inflammatory skin conditions. Plus: sleep pharmacology unpacked, hair loss workup essentials, and an upcoming estrobolome fireside chat.
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Evidence Spotlight
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Modified Fasting & Gut Microbiome
Blood pressure dropped—but not during the fast. In a registered RCT, the blood pressure reduction appeared after food reintroduction, not at the end of the 5-day fasting period itself. That timing detail matters when setting client expectations.
The trial assigned 64 healthy adults to either a 5-day, ~600 kcal/day ketogenic modified fasting program (MFP) or a usual-diet control. Shotgun metagenomics detected shifts in 11 bacterial species and changes in 52 carbohydrate-active enzymes (CAZymes)—proteins involved in breaking down gut-lining sugars. MFP participants also showed reduced glucose, lower chronic inflammation markers by blood metabolomics, and improved physical well-being. By one month post-intervention, gut microbiome and blood metabolome differences were no longer statistically distinguishable from controls.
Takeaway: This RCT adds to the picture of short-term fasting effects—modest weight loss, reduced inflammation markers, and transient gut microbiome shifts—while the timing of the blood pressure drop (post-refeeding, not during the fast) offers useful context for discussions about how and when cardiovascular benefits may emerge.
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Diet & Inflammatory Skin Conditions
Worth noting for practitioners working with inflammatory skin conditions: a systematic review reframes hidradenitis suppurativa (HS) as a systemic immunometabolic disease—not just a skin problem—with obesity and insulin resistance as key overlapping comorbidities.
This PRISMA-guided review searched PubMed for studies published between 1985 and 2026, with 11 studies meeting inclusion criteria. Across observational cohorts, lower adherence to Mediterranean-style eating, higher-glycemic dietary patterns, and deficiencies in vitamin D and zinc were each associated with greater HS disease severity. Limited interventional data included a small pilot suggesting improvement with a very low-calorie ketogenic diet. One counterintuitive finding: bariatric surgery cohorts showed that malabsorptive procedures with persistent micronutrient deficiencies may worsen HS in some patients. The evidence base is heterogeneous and largely observational—causality has not been established.
Takeaway: This review adds clinical weight to the conversation around micronutrient status and inflammatory skin conditions, particularly the associations between vitamin D and zinc deficiencies and greater HS severity within a broader immunometabolic framework.
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By The Numbers
11 bacterial species
shifted in relative abundance after just five days of modified fasting—alongside changes in 52 carbohydrate-active enzymes in the gut microbiome.
A registered RCT tested a 5-day, ~600 kcal/day ketogenic fasting protocol in 64 healthy adults. Beyond weight loss and reduced glucose, shotgun metagenomics revealed meaningful short-term remodeling of the gut microbiome. Blood pressure dropped significantly—but after food reintroduction, not during the fast. Changes did not persist at one month.
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Clinical Pearl
Vitamin D and zinc deficiencies linked to worse inflammatory skin condition severity
A systematic review of 11 studies on diet and inflammatory skin conditions found that lower Mediterranean diet adherence, higher-glycemic eating patterns, and deficiencies in vitamin D and zinc were each associated with greater disease severity. The review frames these conditions as systemic immunometabolic problems—not just skin issues—with obesity and insulin resistance as key overlapping comorbidities. The evidence is largely observational, but the micronutrient connections offer a practical entry point for nutrition practitioners who see clients with inflammatory skin conditions alongside metabolic concerns.
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Recent Podcasts
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Hair Loss: Root Causes and Treatment Options
The Root Cause Medicine Podcast • June 4, 2026
Useful if you’re the practitioner clients consult first when hair loss comes up. Dermatologist Dr. Mamina Turegano joins Dr. Carrie Jones and Dr. Kate Kresge to walk through distinguishing telogen effluvium from androgenetic alopecia and building a practical workup covering thyroid, ferritin, vitamin D, B12, zinc, and hormones. The conversation also covers GLP-1-related hair loss, postpartum triggers, medication links, and conventional options including minoxidil, low-level laser therapy (LLLT), and platelet-rich plasma (PRP). Listen →
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Sleep Pharmacology: Medications, Emerging Therapies, and Sleep Supplement Evidence
The Peter Attia Drive • June 1, 2026
A strong reference episode for navigating the crowded sleep supplement landscape. Dr. Peter Attia unpacks how sleep pressure, circadian timing, and hyperarousal interact, then walks through where different drug and supplement classes fit in that framework. Prescription options covered include benzodiazepines, Z-drugs, and dual orexin receptor antagonists (DORAs). Supplements reviewed include melatonin, trazodone, antihistamines, glycine, magnesium, ashwagandha, and phosphatidylserine—with the evidence and limits for each. Listen →
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I Tried to Eat 6% of My Diet From Saturated Fat for a Week
Mornings with Megan • June 3, 2026
A good listen if you’re navigating saturated fat conversations with clients who follow the research closely. Certified Nutrition Specialist Megan Pfiffner puts the American Heart Association’s 6%-of-calories-from-saturated-fat recommendation to a personal test—and finds everyday whole foods push past the limit before lunch. Along the way she examines LDL-cholesterol versus apolipoprotein B (ApoB) as cardiovascular risk markers, research gaps in women’s lipid studies (including trials that enrolled zero women), and the Women’s Health Initiative dietary modification trial’s null cardiovascular outcome. Listen →
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Peptides: The Science, Uses & Safety
Huberman Lab • June 1, 2026
Relevant if clients in supplement-forward practices are asking about peptides or already using them. Dr. Andrew Huberman speaks with Dr. Abud Bakri about the science behind therapeutic peptides—covering mechanism, sourcing, safety considerations, and clinical use cases including BPC-157, GHK-Cu, thymic peptides, and glucagon-like peptide-1 (GLP-1) analogues. The episode also addresses the regulatory gray area and quality-control risks in the current peptide market. Listen →
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Essentials: Psychedelics & Neurostimulation for Brain Rewiring
Huberman Lab • June 4, 2026
Worth a listen if your practice overlaps with brain health, mood, or clients exploring emerging modalities. Dr. Andrew Huberman speaks with Dr. Nolan Williams about transcranial magnetic stimulation (TMS) and psychedelic-assisted therapies—including psilocybin, MDMA, ibogaine, and ayahuasca—for depression and post-traumatic stress disorder (PTSD), with a focus on mechanisms and current clinical research. More neuroscience than nutrition, but provides useful context for client conversations about these topics. Listen →
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Mark Your Calendar
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June 7
Finally Focused: The Science of OPCs for ADHD
Free clinical webinar • Psychiatry Redefined (Dr. James Greenblatt) • 7:30 p.m. ET / 4:30 p.m. PT — Dr. Greenblatt presents evidence on oligomeric proanthocyanidins (OPCs)—the polyphenol class found in grape seed, pine bark, berries, and green tea—and their potential role in ADHD support within a functional psychiatry framework. — Register →
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June 10
Role of the Estrobolome Fireside Chat
Fireside chat • American Nutrition Association (ANA) with Standard Process & Tiny Health — practitioner-facing discussion of the estrobolome (gut microbiome genes involved in estrogen metabolism) and microbiome–estrogen connections in clinical practice. — Register →
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June 11
Military Women’s Health Webinar Series: Sleep & Sleep Disorders
Research webinar • ORWH & Uniformed Services University • 3:00–4:00 p.m. EDT — Presentations on sleep disorders in women who have served, including sex differences in sleep apnea–related cardiovascular risk. Particularly relevant for practitioners focusing on women’s sleep health. — Register →
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June 16
Mitochondria Through the Lens of the Gut–Heart–Brain Axis
Free virtual webinar • Personalized Lifestyle Medicine Institute (PLMI) • 5:00–7:00 p.m. PT — Dr. Jeffrey Bland, Dr. Sanjay Bhojraj, and Dr. Lisa Portera explore mitochondrial function across the gut, heart, and brain, with a focus on women’s cardiovascular trends. — Register →
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June 17
Live Practitioner Webinar: Understanding Stress From Biology to Treatment
Practitioner webinar • BodyBio • Wednesday, June 17 • 12:00 p.m. ET — Justine Stenger hosts a conversation with Dr. Molly Maloof on hypothalamic-pituitary-adrenal (HPA) axis function and stress biology from clinical and treatment angles. — Register →
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Org/Industry Updates
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BodyBio HCP Affiliate Program Launch
BodyBio has launched an affiliate program for healthcare practitioners that offers 15% commission on referred orders while patients receive 20% off BodyBio products. A straightforward referral structure for practitioners who already recommend BodyBio products and want a formal revenue-sharing arrangement in place. Sign Up →
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Tech Tip
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One Habit That Keeps AI Use HIPAA-Safe
AI tools like ChatGPT, Claude, and Perplexity are genuinely useful for practice tasks — but pasting client information into a consumer chatbot is a HIPAA risk. Free and standard plans don’t sign Business Associate Agreements and may retain your inputs.
First, turn off data training in Settings. All three tools let you opt out — worth doing today. Good privacy habit, but not a HIPAA compliance solution on its own.
The real protection: scrub before you paste. In whatever document platform you use — Google Docs, Word, Apple Pages — manually remove your client’s name, dates, location, and any other identifying details before copying anything into an AI tool. Replace the name with “Client A” and you’re good.
Already using Gemini in Google Docs or Copilot in Word? You can ask your built-in AI to help find identifiers within your document — before anything leaves your platform.
Next week: A prompt template that turns a de-identified food log into a fast pattern-spotting tool — so you walk into your next session already knowing what to look for.
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Curated weekly for functional nutrition practitioners.
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