The Vitamin Tracker Blog
Evidence-based guides on vitamins and supplements — when to take them, what deficiency looks like, and how to read your labs. No hype, sources included.
Best Supplement Tracker Apps (2026): How to Choose — and When a Spreadsheet Is Enough
Dedicated supplement trackers vs nutrition apps vs medication reminders vs a plain spreadsheet — an honest comparison of how to track your supplement routine in 2026, and which tool fits which person.
Best Time to Take Vitamins: The Complete Timing Chart
When to take vitamin D, magnesium, iron, B12, omega-3, and more — a simple timing chart, plus the supplement pairs you should never take together.
Vitamin D: Benefits, Deficiency Signs, Dosage, and When to Take It
Everything about vitamin D in one place: what it does, deficiency symptoms, blood test levels explained, D2 vs D3, daily dosage, upper limits, and the best time to take it.
Vitamin and Mineral Deficiency Symptoms: The Complete Chart
One chart of deficiency symptoms for vitamin D, B12, iron, magnesium, folate, zinc, and more — plus who's at risk and which blood tests confirm each deficiency.