Expert contributor
MS, RD
Clinical nutrition · metabolic health · practical meal planning
9 articles on True Health Fox
Marcus is a registered dietitian who translates nutrition research into realistic habits. He reviews dietary claims with a focus on safety, adequacy, and sustainable behavior change.
Apple cider vinegar contains acetic acid, which has been studied for decades for modest post-meal glucose reduction. The effects are real but small, meal-specific, and don't…
Continue reading
Spore-based Bacillus probiotics and traditional Lactobacillus and Bifidobacterium products solve different problems. Spore forms win on stability and acid survival; traditional strains win on volume of…
Continue reading
For most healthy people, prebiotics from food come first. A targeted probiotic makes sense for specific conditions, post-antibiotic recovery, or when a clinician recommends a particular…
Continue reading
Your gut microbiome — the trillions of bacteria, fungi, and other microorganisms in your digestive tract — influences digestion, immune function, mood, and metabolic health. Improving…
Continue reading
EPA and DHA — the omega-3 fatty acids in fish oil — have decades of research behind them for cardiovascular health, inflammation, and triglyceride reduction. But…
Continue reading
Whey protein has a faster absorption rate and higher leucine content, giving it a modest edge for muscle protein synthesis. Plant proteins — particularly pea and…
Continue reading
Psyllium forms a gel that slows digestion and may support fullness. Inulin feeds gut bacteria but is more likely to cause bloating. The right choice depends…
Continue reading
Your meal structure, food choices, portion size, and a short walk afterward have a bigger effect on post-meal blood sugar than any single supplement. This guide…
Continue reading
Postbiotics are a newer label in gut health: they are not live bacteria like probiotics, and they are not fiber that feeds bacteria like prebiotics. They…
Continue reading