Minerals & Electrolytes

A dietitian compares coral, algae (Aquamin), and limestone-derived calcium. The marketing oversells the source. Elemental dose and salt form matter more.

A registered dietitian’s electrolytes guide: what sodium, potassium, and magnesium actually do, who truly needs to supplement, and why sodium-led, sugar-free beats hydration hype.

A registered dietitian’s calcium guide: food first, then the right dose, the right form, and the cardiovascular debate explained even-handedly.

Magnesium vs melatonin for sleep: which one to take, when, and whether to stack both. Mechanism, doses, and a decision tree from a nutrition scientist.

A registered dietitian compares the best magnesium for sleep: glycinate, citrate, and L-threonate by trial evidence, dose, absorption, and gut tolerance.

A complete guide to iron supplements: heme vs non-heme, ferrous bisglycinate, alternate-day dosing, ferritin testing, who should and should not take them.

A registered dietitian compares iron bioavailability across heme vs non-heme, supplement forms, the vitamin C boost, and the right pick for your goal.

Complete guide to magnesium in 2026: RDA, food sources, who needs to supplement, forms ranked by bioavailability, dosing, interactions, and labs.

A registered dietitian compares magnesium bioavailability across glycinate, citrate, oxide, threonate, and malate with RCT evidence and cost-per-active-mg math.

If you're on Ozempic, Wegovy, Mounjaro, or Zepbound and you've noticed you're drinking less water than you used to, you're not imagining it. GLP-1 receptor agonists blunt thirst signaling as part of their mechanism of action, and slower gastric emptying means fluid you do drink moves through your system at a different rate. The result