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Aug 7, 2026 Magnesium, HRV and POTS: Does It Actually Help, and How to Tell Magnesium is one of the most recommended supplements in POTS and long COVID circles, usually for sleep, palpitations and calmer nerves. The evidence for a direct HRV boost is modest, but the indirect route through better sleep is real. Here is the honest picture, the forms that actually differ, the blood-pressure caution POTS makes important, and how to test whether it helps you. FoodJul 30, 2026 Quercetin and Mast Cells: What the Evidence Actually Shows Quercetin is the most recommended supplement in MCAS and long COVID circles, and the laboratory data on mast cells is genuinely impressive. The human data is much thinner, and there is a large gap between the concentrations that work in a dish and the ones your blood can reach. Here is the honest picture, the safety and interaction issues worth knowing, and how to run a careful trial with your clinician. FoodJul 25, 2026 Why POTS Feels Worse After Eating: Postprandial Hypotension, Explained If your heart races, your head swims, or you crash for an hour after a meal, that is not in your head. Digestion pulls a large share of your blood into the gut, and a struggling autonomic system cannot compensate. Here is the physiology and how to eat around it. POTSJul 6, 2026 Gentle Low-Histamine Meal Ideas for Bad POTS Days A crash-day toolkit of low-effort, lower-histamine meals that also respect POTS: salt-forward, easy to digest, and cookable with minimal standing. Idea lists, not fussy recipes, with one habit that changes everything: cook fresh, freeze fast. FoodJul 3, 2026 The Mediterranean Diet for Long COVID: What Evidence Shows Long COVID involves persistent, low-grade inflammation, and the Mediterranean pattern is one of the most anti-inflammatory ways to eat. Here is what the 2025 evidence actually shows, and how to start without overwhelming yourself. FoodJun 23, 2026 SIBO, Histamine & Why Dysautonomia Wrecks Digestion Dysautonomia doesn't stop at your heart rate, it slows your gut, invites bacterial overgrowth, and can stir up histamine problems. Here is how POTS, SIBO and MCAS feed each other, and the dietary tools that actually help. FoodJun 16, 2026 The Low-Histamine Diet for MCAS: A Practical Food List A low-histamine diet can calm the flares of MCAS and histamine intolerance by lowering your total histamine load. Here is a practical eat-versus-avoid list, the freshness rule that matters most, and why this is a short-term tool, not a way of life. FoodJun 9, 2026 The POTS Diet: What to Eat, and Why Small, Salty Meals Help There is no single POTS diet, but a few patterns reliably help: smaller and more frequent meals, generous sodium and fluids, and steady blood sugar. Here is what to eat, what tends to backfire, and why. Food