Phosphoric acid is a weak acid that is commonly found in many beverages, including Coca-Cola. The amount of phosphoric acid in Coca-Cola is not high enough to cause any serious health risks. In fact, the phosphoric acid in Coca-Cola is actually beneficial for your teeth, as it helps to strengthen them.

That said, there are some potential health risks associated with consuming large amounts of phosphoric acid. These risks include:

* Tooth decay: Phosphoric acid can dissolve the enamel on your teeth, which can lead to tooth decay.

* Kidney stones: Phosphoric acid can bind to calcium in your body, which can lead to the formation of kidney stones.

* Bone loss: Phosphoric acid can leach calcium from your bones, which can lead to bone loss.

However, it is important to note that these risks are only associated with consuming large amounts of phosphoric acid. The amount of phosphoric acid in Coca-Cola is not high enough to cause any of these health risks.

So, can phosphoric acid in Coke kill you? The answer is no. The amount of phosphoric acid in Coca-Cola is not high enough to cause any serious health risks. In fact, the phosphoric acid in Coca-Cola is actually beneficial for your teeth.