Articles tagged with "vitamins"

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.

The best magnesium supplements for sleep and anxiety use the right form, enough elemental magnesium, and clean manufacturing. This guide compares the strongest options for nighttime recovery in 2026.

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.

Over 40% of Americans are Vitamin D deficient. This comprehensive guide covers who's at risk, optimal blood levels, proper D3 dosing, essential cofactors, and what the research actually shows.