Nutrition & Supplements

An estimated 40% of Americans have vitamin D levels below 20 ng/mL, the threshold many clinicians consider insufficient. This comprehensive guide covers who's at risk, optimal blood levels, proper D3 dosing, essential cofactors, and what the research actually shows.

Magnesium glycinate, threonate, citrate, taurate, oxide, and malate all behave differently. This guide explains which forms make sense for sleep, stress, muscle recovery, and general health.

Not all omega-3 supplements deliver the same EPA, DHA, freshness, or value. This guide compares the best fish oil, krill oil, and algae options for 2026.

Not every D3+K2 bottle is worth buying. This guide compares dose, K2 form, absorption, testing, and formulation quality to identify the strongest options in 2026.

Creatine is not just a muscle supplement. This guide explains how creatine supports ATP buffering in the brain, where the cognitive evidence is strongest, and what non-athletes should know about dose and safety.

Chronic inflammation underlies most modern diseases. This evidence-based guide shows you exactly which foods to eat, which to minimize, and how to build an anti-inflammatory kitchen.

The gut microbiome influences immunity, mood, weight, and even brain function. This science-based guide explains what your microbiome does and how to support it.