Bone & Joint
Research on bone density, joints and the nutrients behind them.
Does Bone Broth Heal the Gut, Joints, and Skin?
Bone broth's collagen content varies widely and no trial has tested it for gut, joint, or skin healing. What the research shows, and its role on sick days.
Bone BrothLiquid Gold
Why bone broth is a nutritional powerhouse for gut healing, joints, and immune function, plus how to make it right
Vitamin DBones, immunity, and mood
How vitamin D supports skeletal health, immune function, and mental well-being
Vitamin DSupplementation guide
D3 vs D2, dosing recommendations, testing, and safety considerations
Vitamin DThe sunshine vitamin
What vitamin D is and why deficiency is so widespread
CollagenTypes and Benefits
The major collagen types, how production declines with age, and the benefits for joints, skin, and gut health
CollagenSources and Supplementation
How to get collagen from food and supplements, dosing guidance, and what vegetarians need to know
Glucosamine and ChondroitinJoint Health and Cartilage Support
How these naturally-occurring compounds support cartilage integrity, reduce joint pain, and may slow osteoarthritis progression
Bone MarrowAncestral Superfood: The Nutritional Power of Bone Marrow
Bone marrow as a nutrient-dense ancestral food rich in alkylglycerols, monounsaturated fats, collagen precursors, and fat-soluble vitamins
BoswelliaAnti-Inflammatory and Pain Relief
How boswellia serrata (frankincense) relieves joint pain and inflammation through a unique pathway that avoids the gut-damaging side effects of NSAIDs
CalciumBone, Muscle, and Cardiovascular Health
How calcium builds bones, enables muscle function, and why food sources outperform supplements
BoronBone, Hormones, and Brain
How this overlooked trace mineral supports bone density, sex hormone balance, and cognitive function
Vitamin K2Calcium routing
Without vitamin K2, calcium goes to your arteries instead of your bones — the calcium paradox explained
Calcium D-GlucarateLiver Detox and Estrogen Metabolism
How this naturally occurring compound supports Phase II liver detoxification and helps clear excess estrogens and carcinogens
Sunlight ExposureMore Than Vitamin D
Sunlight affects circadian rhythm, serotonin, blood pressure, and possibly red and near-infrared light effects (photobiomodulation) -- it's far more than a vitamin D delivery system.
NattoCardiovascular Protection, Bone Health, and Gut Support
What studies show about natto, the traditional Japanese fermented soybean food that supplies nattokinase, vitamin K2 (MK-7), and Bacillus subtilis spores: blood pressure, cardiovascular mortality, bone health, and the gut microbiome
SAMeMood, Joints, and Liver Support
How SAMe — the body's universal methyl donor — supports mental health, joint comfort, and liver function through methylation chemistry
HorsetailSilica, Connective Tissue, and Bone Health
How horsetail (Equisetum arvense) delivers bioavailable silica to support bones, hair, nails, skin, and wound healing.
KefirGut, Blood Sugar, Bone, and Immune Health
What clinical trials show about kefir and gut health, insulin resistance, bone turnover, immune markers, and lactose digestion
RuckingLoad-Bearing Cardio for Heart and Bones
How walking with a weighted pack — the soldier's training tool — turns an ordinary walk into a low-impact strength, cardio, and bone-loading workout backed by 5-year RCTs in postmenopausal women and military physiology research
AnnattoTocotrienol-Rich Seed and Bixin Carotenoid with Liver and Bone Research
How Bixa orellana — the tropical seed that colors cheese, butter, and rice yellow-orange — provides one of the few near-pure natural sources of delta-tocotrienol vitamin E plus the apocarotenoid bixin, with human RCT evidence in fatty liver disease and postmenopausal bone loss.
L-LysineCold Sores, Bone Strength, and Stress Relief
How this essential amino acid prevents herpes outbreaks, improves calcium absorption, and helps regulate the stress response
Whole-Body VibrationMechanical Stimulus for Bone, Muscle, and Balance
How standing on a vibrating platform — originally an aerospace experiment to reverse the bone loss of weightlessness — became a low-impact way for older adults to load bone, drive reflexive muscle contractions, and improve balance, with honest treatment of mixed bone-density evidence and clear positive signals for muscle strength, knee osteoarthritis function, and metabolic health
Shea ButterWest African Fat for Skin and Joints
The unrefined West African nut fat used for centuries on dry skin and aching joints — what the trial evidence shows for eczema, barrier repair, and oral triterpene-rich shea concentrates in osteoarthritis, plus an honest look at why it is not a sunscreen
EpimediumBone Strength, Hormonal Support, and the Icariin Advantage
How icariin, the active compound in the traditional Chinese herb epimedium, supports bone density, hormonal balance, and cardiovascular health
Fish RoePhospholipid Omega-3, Choline, and Vitamin D Density
Why fish eggs from salmon, herring, capelin, lumpfish, and sturgeon deliver EPA and DHA in highly bioavailable phospholipid form along with concentrated choline, vitamin D, selenium, and B12 — an ancestral nutrient-dense food in a small package
Collard GreensCalcium Bioavailability, Bone Health, and Cancer Protection
How collard greens deliver highly bioavailable calcium rivaling dairy, exceptional vitamin K for bone integrity, and glucosinolates that activate detoxification and cancer-prevention pathways
GuggulCholesterol, Joints, and Inflammation
Guggul is an Ayurvedic oleoresin with mixed but intriguing evidence for cholesterol management, joint pain relief, and anti-inflammatory support via NF-κB inhibition
RosehipJoint Health, Anti-Inflammatory, and Vitamin C
How rosehip's unique galactolipid compound reduces joint pain in osteoarthritis and supports cardiovascular and metabolic health
MackerelOmega-3s, Vitamin D, and Heart Health
A fatty fish delivering more omega-3s than most supplements alongside vitamin B12, vitamin D, and selenium — clinically proven to lower triglycerides and blood pressure.
Soy IsoflavonesPhytoestrogens, Cardiovascular Health, and Bone Protection
What the science says about soy isoflavones — hormonal effects, heart protection, bone density, and the nuanced picture on cancer risk
YogurtProbiotics, Bone Health, and Metabolic Benefits
How fermented dairy's live cultures and nutrient density support gut microbiome diversity, bone mineral density, and protection against metabolic disease
EdamameProtein, Isoflavones, and Bone Health
How young green soybeans deliver complete plant protein, cardioprotective isoflavones, and bone-supportive compounds in one food
Rainbow TroutRainbow Trout: Omega-3, Vitamin D, and a Low-Mercury Alternative to Salmon
Why farmed and wild rainbow trout is one of the most nutrient-dense low-mercury fish on the FDA Best Choices list — with EPA, DHA, vitamin D, B12, selenium, and astaxanthin in a single fillet.
GHK-CuSkin Healing, Collagen, and Anti-Aging
GHK-Cu is a naturally occurring copper-bound tripeptide that stimulates collagen synthesis, accelerates wound healing, and remodels aging skin through multiple tissue-repair pathways
Hyaluronic AcidThe Body's Natural Lubricant — Joints, Skin, and Eyes
How hyaluronic acid keeps joints cushioned, skin hydrated, and eyes lubricated, and what oral supplementation research actually shows
Stinging NettleAllergy, Joints, and Prostate Support
How Urtica dioica fights histamine, eases joint inflammation, and supports prostate health in men
StrontiumBone Density and Fracture Prevention
How the mineral strontium supports bone formation, improves density, and reduces fracture risk — and what research says about supplementing with strontium citrate
PrunesBone Density, Gut Health, and Polyphenols
How prunes (dried plums) protect bone density, support digestive regularity, and deliver cardiovascular-active polyphenols — with an unusually strong body of clinical trial evidence
Cissus QuadrangularisBone Healing, Joint Health, and Metabolic Support
How this Ayurvedic vine accelerates fracture repair, reduces exercise joint pain, and supports healthy weight through its unique mix of flavonoids, triterpenoids, and osteogenic compounds
ManganeseBone Health, Antioxidant Defense, and Energy Metabolism
How this essential trace mineral supports strong bones, powers the body's primary mitochondrial antioxidant enzyme, and helps regulate blood sugar
SilicaBone, Skin, and Connective Tissue
How dietary silicon supports collagen synthesis, bone mineral density, and the health of skin, hair, and nails — and what the research actually shows
ParsleyFlavonoids, Blood Pressure, and Bone Health
How parsley's apigenin, vitamin K, and diuretic compounds make it more than a garnish
Bok ChoyGlucosinolates, Calcium, and Cancer Protection
How bok choy's sinigrin, indole glucosinolates, and highly bioavailable calcium support cancer prevention, detoxification, and bone health
MSMJoint Health, Inflammation, and Exercise Recovery
How methylsulfonylmethane — a natural sulfur compound — supports joint comfort, reduces inflammation, and aids recovery after exercise
Devil's ClawJoint Pain, Back Pain, and Anti-Inflammatory Effects
How devil's claw (Harpagophytum procumbens) relieves osteoarthritis, back pain, and inflammation through its active harpagoside compounds
AnchoviesOmega-3, Calcium, and Sustainable Seafood
How anchovies deliver some of the highest EPA and DHA concentrations of any fish, along with calcium, selenium, and B12 — at extremely low mercury levels
MilletBlood Sugar, Bone Health, and Cardiovascular Support
How millet's low glycemic index, rich mineral content, and cholesterol-lowering fiber support blood sugar regulation, bone density, and heart health