Can you take to much calcium and vitamin d?

Calcium and vitamin D are two essential nutrients that work in tandem to keep our bodies strong and healthy. Calcium is responsible for building strong bones, while vitamin D aids in calcium absorption. It’s no wonder that there has been a recent surge in calcium and vitamin D supplementation, as many people seek to improve bone health.

However, like with any good thing, too much can be harmful. In this article, we will explore the risks of consuming excessive amounts of calcium and vitamin D.

The Importance of Calcium and Vitamin D

Before delving into the potential negative effects associated with overconsuming these vitamins, let’s first highlight their importance.

Calcium Benefits

Calcium is not only important for maintaining bone health but plays an essential role in muscle function, nerve transmission, blood clotting (fun fact: 99% of our body’s calcium is found within bones).

Vitamin D Benefits

Vitamin D helps your body absorb calcium effectively; without sufficient quantities of it being present alongside dietary sources or through supplements will cause rickets which deforms children’s limbs deformation (and who doesn’t love properly functioning limbs?). Additionally,got stronger immune systems as well as reducing inflammation levels throughout the cells.

Can You Get Too Much?

So now you might be wondering if anything formidable happens after going buck wild at Walgreens’ supplement section –– Are there really dangers tied up with consuming too much?

The answer lies somewhere between “YES’ (because even oxygen contributes toxicity when excessively consumed)to its old buddy “It depends…”

Excessive Consumption Of Each Nutrient

While both nutrient are super-beneficial on their own right each one does have its set limits beyond which toxicosis occurs:

  • When your intake crosses 2500mg/day cumulative by combining multivitamins or fortified foods with supplements, that marks calcium’s overload zone – which could culminate in kidney failure/stones, constipation and disruption of the digestive tract among other things.
  • For vitamin D(technically a hormone) around consuming 300000 IU/day sets off toxicity causing irregular heartbeats/difficulty breathing.

Combined Consumptions

Exceeding the listed limits becomes more probable when dietary sources are not being adhered to, therefore supplement users are particularly susceptible. Combining multiple vitamins/supplements is another potential source for overdoing it as these readymade nutritional fireworks can deliver more nutrients than necessary.

A Case Study

In 2015 researchers reported a case brought by an older woman who experienced significant memory loss following excessive consumption. Unfortunately this woman was taking both high-dose (50,000IU/wk) Vitamin D alongside Calcium/Magnesium supplementation daily possibly leading up to white matter lesions within the brain (another great reason why cocktails aren’t always beneficial).

What Does This Mean for You?

It’s important to note that most people won’t experience adverse effects from their intake given proper nutrient balance: from all food groups.

However some need supportive therapies in order to patch up deficiencies resulting from malabsorption categories such as Crohn’s disease patients – hence requiring higher dosages beyond RDA recommendations. Rather than doubling down on your supplements without specific knowledge for your health status try seeking medical guidance first (or nobody would be able to hear us if our voice rises due severe stomach cramps caused by magnesium overdose just sayin’..).


“Can you take too much calcium & vitamin D?” The answer depends on whether they’re excessively consumed! While similar warnings apply generally applies any time we bring nutri supps into focus– start somewhere reasonable (doesn’t require rocket science), follow common sense after those amazing balloons-filled photoshoots with pill jars on social media (climbing them wouldn’t make you any more like Spiderman with your bones being stronger anyway), the body’s needs should always determine further courses of action!

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