Can You Take Too Much Vitamin D?
Yes, you can take too much vitamin D. Here's the upper limit, the signs of excess, and how to avoid stacking your way over it.
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Immunité
Les meilleurs compléments pour soutenir votre système immunitaire
Découvrez les meilleures vitamines pour la santé immunitaire, notamment la vitamine C, le zinc et la vitamine D. Renforcez naturellement votre immunité avec les compléments efficaces de Vita Globe.
Vitamin D3 vs. D2: Which Is Better?
Cholecalciferol or ergocalciferol? How vitamin D3 and D2 compare at raising blood levels, and what vegans should know.
Best Time to Take Vitamin D (and Does It Matter?)
Morning or night, with food or without? What the research says about the best time to take vitamin D, and what matters more.
Vitamin D3 Gummies Side Effects: What to Know
At normal doses, vitamin D3 gummies rarely cause side effects. Here's what can happen with too much, and the gummy-specific habits to watch.
Do You Need More Vitamin D in Winter?
In much of the U.S., winter sun is too weak for your skin to make vitamin D. Here's what that means for your intake, and what it doesn't.
Vitamin D and Medications: Common Interactions
Some common medications lower vitamin D levels or change how your body handles calcium. Here are the interactions worth asking your pharmacist about.
Vitamin D Blood Test: What Your Levels Mean
How to read a 25-hydroxyvitamin D result in ng/mL or nmol/L, why experts disagree on the cutoffs, and when testing makes sense.
How Much Vitamin D3 Per Day? 1,000 vs. 2,000 vs. 5,000 IU
1,000, 2,000 or 5,000 IU? Here's how common vitamin D3 doses compare with the RDA and the upper limit, and who each one is for.
What Happens If You Take Vitamin D3 Every Day?
Taking vitamin D3 daily slowly raises your blood levels and supports calcium absorption. Here's what the big trials say it does, and doesn't, do.
Should You Take Vitamin D3 and K2 Together?
D3 and K2 are often sold as a pair. Here's the science behind the combo, what the trials actually found, and who should be careful.
