gut-immune
How hot water vs dual extraction changes the immune-active compounds in mushrooms like reishi and turkey tail (PSK/PSP)—and what research suggests for immune support.
foundations
Vitamin C’s role as a collagen cofactor goes far beyond colds. Explore evidence on skin, joints, wound healing, and traditional sources like amla and acerola.
foundations
Low ferritin with normal hemoglobin is a common, overlooked cause of fatigue, brain fog, and restless legs. Learn why ferritin outperforms hemoglobin for detecting non-anemic iron deficiency, who may benefit from testing, how to interpret results alongside inflammation markers, and how traditional foodways can support iron—without ignoring overload risk.
foundations
A focused, evidence-based review of how zinc supports immunity and what randomized trials say about using zinc lozenges to shorten the common cold, with practical caveats and traditional food insights.
foundations
Folate vs. folic acid for MTHFR and methylation, explained simply. Evidence on 5‑MTHF, homocysteine, and unmetabolized folic acid—plus a food‑first approach.
longevity
Does resveratrol truly activate sirtuins in humans? A concise, evidence-based look at the science, controversies, bioavailability, and how it compares with other polyphenols.
performance-recovery
A focused, evidence-based guide to exercise-associated hyponatremia in endurance athletes — why it happens, who’s at risk, and how electrolyte science (including ORS principles) informs smarter hydration beyond marketing hype.
mind-stress
Do GABA supplements cross the blood–brain barrier? A focused, evidence-based look at the debate, pharmaGABA vs synthetic, and natural ways to support GABAergic calm.
mind-stress
How psychobiotics may influence anxiety via the vagus nerve, with evidence on key Lactobacillus and Bifidobacterium strains and what fermented foods add.
performance-recovery
A focused, evidence-based look at how beta-alanine impacts 1–4 minute high-intensity efforts, including mechanism, meta-analyses, ISSN guidance, tingling side effect, and study protocols.
gut-immune
A focused look at how mushroom beta‑glucans interact with the immune system and why hot‑water vs dual extraction changes their effects, with evidence from mechanistic studies and human trials.
gut-immune
Do lactase enzymes really help lactose intolerance? Research suggests lactase and fermented dairy can reduce symptoms for many, while broad enzyme blends and allergy claims are hype.
longevity
How long does fasting take to trigger autophagy? A focused, evidence-based look at timelines, mechanisms, and what human studies do—and don’t—show.
foundations
Homocysteine offers a practical window into methylation and B‑vitamin status. Learn what influences it, how food-first strategies help, and where forms like methylfolate may fit.
longevity
A focused, evidence-based review of how exercise relates to telomere biology, what trials and meta-analyses show, how mind–body movement may contribute, and why telomere testing has limits.
mind-stress
A focused, evidence-based look at whether magnesium glycinate can increase deep (N3) sleep, how it may work, how it compares with CBT-I, and what current trials actually show.
longevity
A focused look at the ITP rapamycin mouse studies—what they showed about mTOR and longevity, how they relate to caloric restriction, translation to humans and dogs, and why researchers remain cautiously optimistic.
gut-immune
A focused evidence review of turkey tail mushroom’s PSK/PSP and how these protein-bound polysaccharides may modulate the gut–immune axis, with clinical insights, mechanisms, extraction considerations, and TCM context.
gut-immune
Confused about zonulin tests for leaky gut? Learn what zonulin is, why commercial tests are debated, and how results relate to true intestinal permeability.
gut-immune
Zonulin biology is real, but commercial zonulin tests for “leaky gut” are inconsistent. Here’s what research says about tight junctions, test validity, clinical relevance, and evidence-based ways to support the gut barrier.
foundations
Vitamin C’s underrated role as a collagen cofactor—what science says about skin aging, wound healing, and tendon support, plus insights from traditional vitamin C–rich foods.
foundations
Ferritin often drops before hemoglobin and may reveal non-anemic iron deficiency behind fatigue, brain fog, and restless legs. Learn why ferritin matters, who may need testing, and how diet and traditional practices influence iron status—while staying mindful of iron overload risks.
foundations
Ferritin often detects iron deficiency earlier than hemoglobin. Learn why non-anemic iron deficiency can cause fatigue and brain fog, how to interpret ferritin with other labs, who may benefit from testing, and how traditional food strategies support iron—while avoiding iron overload risks.
foundations
Do zinc lozenges really shorten colds? An evidence-based look at timing, formulation, benefits, and safety—without dosing advice.