Vagus nerve symptoms can show up subtly, long before a clinician assigns a name to what you’re experiencing. If you notice a pattern in how your body responds to meals, stress, or sleep, you may be sensing vagal signals that are telling a health story. Here are seven subtle vagus nerve symptoms you may be missing and what they could mean: dizziness or fainting spells after meals or when standing; persistent bloating, nausea, or early fullness; voice changes, hoarseness, or frequent throat clearing; palpitations or unexpected changes in heart rate; restless sleep or unusual daytime fatigue; a lump-in-throat sensation or occasional trouble swallowing; and digestive discomfort that lingers after meals. Each of these can arise from a spectrum of causes, so it helps to track patterns and discuss them with a clinician. These vagus nerve symptoms often reflect the gut-brain axis—the two-way communication network between your digestive system and your nervous system. A balanced gut microbiome can support healthy vagal signaling, while distortions in microbiome composition may contribute to the signs above. To help you explore this connection, InnerBuddies offers a white-label Gut Health Operating System that powers modern gut health programs. The system is modular and data-rich, featuring a Gut Microbiome Health Index (0–100) based on an exclusive collaboration with EAFIT University in Colombia; a top 40 list of bacteria with abundances to compare your profile against a healthy cohort; categorized bacterial metabolic functions with positive/negative labels; Target Group analysis for topics like Healthy Aging, Endurance Sport, Skin & Hair Health, and more; plus personalized nutrition and probiotic/prebiotic advice tailored to your unique microbiome. You can learn more about the consumer-facing options at the InnerBuddies microbiome test and related services on their product page: InnerBuddies microbiome test and ongoing support through their gut health membership: InnerBuddies gut health membership. If you’re facing vagus nerve symptoms, practical steps can help you get answers. Start with a symptom and lifestyle diary to capture when symptoms occur, what you ate, sleep quality, stress levels, and medications. Share this with your clinician—gastroenterologists, neurologists, or primary care physicians can help identify autonomic or inflammatory causes and coordinate a plan. A gut health assessment can be particularly informative: InnerBuddies’ approach combines data from 3-day food diaries with stool samples, enabling personalized recommendations that consider how individual foods and nutrients affect your microbiome—and, by extension, vagal signaling. Curious to see how this works in practice? The consumer-facing microbiome test offers a structured view that can complement medical care. Beyond personal health, InnerBuddies serves clinicians and brands through a robust B2B pathway. Their white-label Gut Health Operating System lets you power your own gut microbiome testing products at scale, with features like the Gut Microbiome Health Index, bacterial abundances, functional pathway analysis, and target-group deep dives. If you’re exploring partnerships or want to bring gut health intelligence to your own offerings, discover how to become a partner: InnerBuddies partner program. And for individuals seeking deeper insight, you can explore the microbiome test and membership options linked above to unlock personalized nutrition and probiotic guidance aligned with your unique gut profile.