Nutrition science is one of the noisiest fields in consumer health. Below: what the published research actually describes — frame, not prescription.
Nattokinase is a fermented-soy enzyme marketed for circulation and blood pressure. Here is what the limited human evidence shows, plus the bleeding risks.
10 min read · 2026-06-04 Gut microbiomeA measured look at Akkermansia muciniphila, the mucin-degrading gut bacterium, and what human and animal research has actually measured about its effects.
11 min read · 2026-06-04 Gut microbiomeA measured look at the gut-brain axis: the real mechanisms, what human trials show for mood and cognition, and where the evidence is still early.
11 min read · 2026-06-04 SupplementsBerberine is sold as a natural metformin alternative. Here is what the evidence shows, why the comparison is misleading, and the safety risks to know.
11 min read · 2026-06-04 Research methodologyNutrition research is methodologically harder than almost any other field of human study. This page describes why: blinding is impossible, self-reported intake is unreliable, long durations are infeasible, and confounding is everywhere.
11 min read · 2026-06-01 Nutrition researchObservational research consistently associates ultra-processed food intake with adverse health outcomes. The single controlled trial (Hall 2019) demonstrated calorie overconsumption on UPF diets. This page describes what each has measured.
11 min read · 2026-06-01 Nutrition pattern researchThe Mediterranean diet has the strongest single-pattern evidence base in nutrition research. PREDIMED and large cohort studies have measured cardiovascular, cognitive, and mortality outcomes. This page describes what the research actually shows.
11 min read · 2026-06-01 Nutrition researchIntermittent fasting protocols include time-restricted eating, alternate-day fasting, and 5:2. Trials have measured weight, metabolic outcomes, and adherence. This page describes what the research actually shows.
12 min read · 2026-06-01 Nutrition researchThe gut microbiome research field is advancing rapidly. Consumer products often outrun the evidence. This page describes what research has established, what's provisional, and how to read microbiome marketing claims.
11 min read · 2026-06-01 Supplements · Dosing guideWhat 80+ RCTs describe about omega-3 dosing — the 1–4 g/day EPA+DHA research window, triglyceride effects at high dose, fish vs algal oil, and how to read supplement labels.
11 min read · 2026-06-27