LDL, ApoB and Heart Attack Risk: What the Evidence Shows
NAC (N-Acetyl Cysteine): Evidence-Based Guide to Benefits, Dosing, and Safety
N-acetyl cysteine (NAC), also known as acetylcysteine, is a synthetically modified form of the amino acid cysteine. First approved by the FDA in 1963 as a prescription antidote for acetaminophen ov...
Lower Blood Pressure, Lower Dementia Risk: What the Evidence Shows
A large new study published in Nature Medicine has found that aggressively lowering blood pressure cut dementia risk by 15% over four years — and the evidence suggests the benefit compounds substan...
5 Popular Supplements That May Damage Your Blood Vessels
Some of the most popular supplements on the market may be actively damaging blood vessels — yet millions of people take them daily without any awareness of the risk. It is not just one supplement. ...
How Morning Light Improves Sleep Quality
Table of Contents The Impact of Light on Sleep Mechanisms: How Circadian Biology Works Practical Strategies for Morning Light Reference List The Impact of Light on Sleep Small, consistent change...
Multivitamins: What the Evidence Actually Shows
Overview Multivitamin/mineral (MVM) supplements are dietary products containing combinations of essential vitamins and minerals intended to compensate for potential nutritional shortfalls in the di...
Milk Thistle (Silymarin): Evidence-Based Guide to Benefits, Forms, Dosing, and Side Effects
Milk thistle (Silybum marianum) is a thistle-like flowering herb in the Asteraceae family, native to the Mediterranean region, southern Europe, and parts of Asia and North Africa [1][2]. It has bee...
Phytoestrogen Supplements for Menopause: Evidence, Dosing, and Safety
Table of Contents Overview Forms and Bioavailability Evidence for Benefits Recommended Dosing Safety and Side Effects Drug Interactions Dietary Sources References Overview Menopause is the perm...
How Exercise Affects Skin Aging: Aerobic vs. Resistance Training
Exercise has long been celebrated as a potent tool for supporting health in muscles, bones, and organs. But what about skin—the body's largest organ and the most visible marker of how it ages? Grou...
Intermittent Fasting & Meal Timing: What the Evidence Actually Shows
It sounds like clickbait — but there is a powerful psychological habit with a surprisingly big payoff for metabolic health. It has to do with when you brush your teeth. Get the timing right, and th...
Collagen Peptides: Benefits, Forms, Dosing, and Side Effects
Collagen is the most abundant protein in the human body, forming the structural backbone of skin, bone, cartilage, tendons, blood vessels, and the cornea. It is uniquely rich in the amino acids gly...
Berberine Supplements: Blood Sugar, Cholesterol and Weight Loss Evidence
Berberine has been called "nature's Ozempic" and is touted for everything from fighting cancer to alleviating depression. This article separates the marketing hype from the evidence-backed benefits...
Oral Hyaluronic Acid Supplements for Skin: What the Research Shows
It sounds too good to be true: that simply taking a supplement can reduce skin wrinkles. So is this really possible? After some initial controversy with oral hyaluronic acid, the research suggests ...
Melatonin Supplements: Evidence, Dosing, Forms, and Safety
Melatonin is a hormone produced by the pineal gland in response to darkness, serving as the body's primary circadian rhythm signal. It plays roles in sleep-wake regulation, antioxidant defense, imm...
Manuka Honey: Evidence-Based Guide to Benefits, Grading, and Dosing
Manuka honey is a monofloral honey derived primarily from the nectar of the manuka tree (Leptospermum scoparium), which grows throughout New Zealand and Eastern Australia [1]. Unlike conventional h...
Vitamin D Supplements: What the Latest Endocrine Society Guidelines Actually Say
Vitamin D has attracted enormous interest in recent years. Supporters have described it as a cure-all—capable of boosting heart health, lifespan, immune function, and more. But is it really the mag...
Keto Diet and LDL: What the KETO-CTA Coronary Plaque Trial Found
A newly published study – "Plaque Begets Plaque, ApoB Does Not: Longitudinal Data From the KETO-CTA Trial" – has stirred substantial discussion in the nutrition and cardiology communities [https://...
Creatine Supplementation: Evidence-Based Guide to Benefits, Forms, Dosage, and Safety
Creatine is a non-essential amino acid naturally produced in the human body from arginine, glycine, and methionine, primarily in the kidneys and liver. Approximately 95% of the body's creatine is s...
Mangosteen Supplements: Evidence Review of Xanthones, Dosing, and Safety
Mangosteen (Garcinia mangostana) is a tropical fruit native to Southeast Asia whose rind is rich in xanthones — a class of polyphenolic compounds with potent antioxidant and anti-inflammatory prope...
Magnesium Supplement Guide: Forms, Benefits, and Dosing
Table of Contents Overview Forms and Bioavailability Evidence for Health Benefits Recommended Dosing Dietary Sources Safety and Side Effects Drug Interactions Frequently Asked Questions References...
Sunscreen for Skin Protection: Choosing the Safest SPF 50+ Formula
Many people spend heavily trying to reverse wrinkles after the damage is done. It is far easier — and far more evidence-backed — to prevent that damage in the first place. Sunscreen is the most rig...
Creatine and Lean Mass: What a 2025 Study Actually Shows
Table of Contents The Existing View The New Study Response to the Study Creatine and Performance Back to the Study References A recent study is challenging everything researchers thought they kn...
Salt Substitutes and Blood Pressure: Evidence-Based Dietary Strategies for Cardiovascular Health
Heart disease and strokes remain leading causes of death worldwide. Yet research suggests that one small, practical dietary change — switching to a potassium-enriched salt substitute — may meaningf...
Vitamin D3 Supplement Guide: Dosing, Forms, Benefits, and Safety
Table of Contents 1. Overview 2. Forms and Bioavailability 3. Evidence for Health Benefits 4. Recommended Dosing 5. Safety and Side Effects 6. Drug Interactions 7. Dietary Sources 8. References Re...
Maca Root: Evidence-Based Guide to Benefits, Forms, Dosing, and Safety
Overview Maca (Lepidium meyenii), also known as Peruvian ginseng, is a starchy root vegetable in the Brassicaceae (cruciferous) family, native to the high-altitude central Andes of Peru at elevatio...
Creatine Supplements: Brain Health, Muscle, and Safety — What the Research Shows
Creatine is one of the most studied supplements in sports science — but emerging research is revealing benefits that extend well beyond muscle building. Recent trials are uncovering how creatine ma...