Choline in Pregnancy: What the New IQ Trial Found
Exercise Snacks: The Science Behind Short Bursts of Movement
There is one insight that consistently changes the direction of a patient's health—and it has nothing to do with joining a gym. You don't need a gym membership to improve fitness or protect the hea...
Omega-3 Fish Oil and Heart Health: What the Evidence Shows
Table of Contents Early Promise, Followed by Disappointments A New Breakthrough in High-Risk Patients What This Means for the Rest of Us References Omega-3 research has had its share of failures...
Vitamin E: Forms, Evidence, and Safety — A Research Guide
Table of Contents Key safety points Overview Forms and Bioavailability Evidence for Health Benefits Recommended Dosing Safety and Side Effects Drug Interactions Dietary Sources References Key s...
What the TARGET-D Trial Reveals About Vitamin D and Heart Health
A new vitamin D trial has raised important questions about the advice clinicians give — and the approach many have taken to vitamin D testing and supplementation. Because it takes a novel approach,...
Blood Pressure Targets: What the Evidence Actually Says
Is something significant happening right under our noses? There is a change that has quietly crept up over the past few decades — so gradual that most people have barely noticed. Since the 1970s, d...
Normal BMI, Hidden Heart Risk: What Waist Circumference Reveals
Many people feel reassured when their BMI falls in the normal range. The scale shows a healthy number, the ratio of weight to height looks right — and at a time when obesity rates are high, a norma...
Vitamin C Supplements: Evidence-Based Guide to Benefits, Forms, and Dosing
Table of Contents Key safety points Overview Forms and Bioavailability Evidence for Health Benefits Recommended Dosing Dietary Sources Safety and Side Effects Drug Interactions References Key s...
Melatonin and Heart Failure: What the 89% Headline Gets Wrong
People who use melatonin supplements have an 89% higher risk of developing heart failure, according to a new study of over 130,000 adults [1]. And there were two other equally grim findings covered...
IV Therapy Clinics: The Risks, Costs, and Lack of Evidence
It's a nearly $3 billion market and growing fast. IV therapy clinics—where you can get cocktails of vitamins and other nutrients dripped directly into your veins—are supposed to do everything from ...
Vitamin A: Forms, Benefits, Dosing, and Safety
Table of Contents Key safety points Overview Forms and Bioavailability Evidence for Benefits Recommended Dosing Safety and Side Effects Drug Interactions Dietary Sources References Key safety p...
The Testosterone Decline Myth: What the Science Actually Shows
For years, researchers have observed a troubling trend: testosterone levels in men seem to be declining across generations. This hormone, crucial for male health, has been linked to energy, mood, m...
Valerian Root: Benefits, Forms, Dosing, and Side Effects
Table of Contents Key safety points Overview Forms and Bioavailability Evidence for Health Benefits Recommended Dosing Safety and Side Effects Drug Interactions Dietary Sources Mechanisms of Acti...
Cholesterol and Dementia Risk: What a 1-Million-Person Study Reveals
A study of over 1 million people has found impressive dementia risk reductions linked to cholesterol management — offering some of the strongest evidence yet on how long-term LDL lowering affects b...
Vigorous Exercise Benefits: How Intensity Multiplies Health Outcomes
A landmark study has overturned one of the most fundamental assumptions in exercise science — and the implications reshape how anyone should structure their physical activity for maximum health ben...
Taurine Supplement Guide: Evidence, Dosing, and Forms
Table of Contents Key safety points Overview Forms and Bioavailability Evidence for Health Benefits Recommended Dosing Safety and Side Effects Drug Interactions Dietary Sources Taurine for Pets R...
Lead in Protein Powders: What the Research Actually Shows
A new analysis from Consumer Reports has made headlines with a disturbing claim: protein powders and shakes contain high levels of lead. Given how popular protein powders have become, this claim is...
Fatty Liver Disease: GLP-1 Medications, Diet, and Lifestyle Treatment Guide
GLP-1 medications have emerged as a significant advance in treating fatty liver disease — the FDA approved semaglutide (Wegovy) for this indication in 2024. But which GLP-1 is most effective? How s...
St. John's Wort: Evidence-Based Guide to Benefits, Dosing, and Safety
Table of Contents Key safety points Overview Forms and Bioavailability Evidence for Health Benefits Recommended Dosing Safety and Side Effects Drug Interactions Dietary Sources References Key s...
Artificial Sweeteners and the Gut Microbiome: What the RCT Evidence Shows
Table of Contents The puzzle The study Gut microbiome findings Safety Recommendations Final Verdict References One of the largest artificial sweetener studies has just been released, helping to ...
Polypharmacy and Deprescribing: When Medications Do More Harm Than Good
Over 40% of adults over 75 are prescribed 5 or more medications [1]. While those medications may have been appropriate at prescription, the risk–benefit balance shifts as the body ages—and drugs th...
Shilajit: Evidence-Based Guide to Benefits, Forms, Dosing, and Safety
Table of Contents Key safety points Overview Forms and Bioavailability Evidence for Health Benefits Recommended Dosing Safety and Side Effects Drug Interactions Dietary Sources Summary and Bottom...
GLP-1 Microdosing for Healthy Adults: What the Evidence Actually Shows
Tech entrepreneur Bryan Johnson stirred up considerable interest when he began a microdosing experiment in late 2024 [1]. His experiment had some unexpected results — as we'll see in a moment. And...
Sexual Enhancement Supplements: Evidence-Based Guide to Ingredients, Dosing, and Safety
Table of Contents Key safety points Overview Forms and Bioavailability Evidence for Benefits Recommended Dosing Safety and Side Effects Drug Interactions Dietary Sources References Key safety p...
Vitamin D and Telomeres: What the VITAL Study Actually Shows
Recent headlines claimed a new study shows vitamin D can slow aging. But what does the research actually show — and what does it mean for vitamin D dosing and testing decisions? Table of Contents ...
Ashwagandha for Exercise Performance: What the Research Actually Shows
A new clinical study has found no benefit of ashwagandha supplementation on aerobic capacity, muscle oxygenation, or blood parameters in healthy men. If currently taking ashwagandha for athletic pe...