Evidence-based health tools and expert articles for smarter, healthier living.
An engineer's look at how the USDA FoodData Central database tracks choline (nutrient ID 421) — top food sources, NIH Adequate Intake values, and the data caveats behind a single 'choline, total' field.
An engineer-builder's look at the USDA Flavonoid Database r3.3: where EGCG and catechins actually live in tea, cocoa, apples, and berries, what the human research supports, and what aggregating this data for 1,465+ foods on HealthSavvyGuide revealed about quality, gaps, and brewing variability.
An engineer's look at the USDA polyphenol data behind resveratrol — what red grapes, peanuts, and red wine actually deliver per 100 g, and why the numbers fall far short of clinical-trial doses. Informational only, not medical advice.
An engineer's aggregation of USDA FoodData Central inulin data — which whole foods actually deliver meaningful prebiotic fiber, where the published numbers diverge, and the side-effect ceiling most articles skip.
Spermidine is a polyamine linked to autophagy and longevity research. Wheat germ, aged cheese, soybeans, and mushrooms are the most cited dietary sources — but USDA FoodData Central does not track spermidine as a standard nutrient. An engineer-builder look at what the data actually shows and where the numbers come from.
Sulforaphane is not a USDA FDC nutrient field. An engineer's tour of what the database does and does not say about broccoli, sprouts, and Brassica vegetables.