Calcium & Phosphate Overdose / Overload
Calcium Phosphate Overdose

An optimal vitamin D level is a prerequisite for good health. However, vitamin D alone is not enough. A good supply of other nutrients is also necessary.

The optimal and balanced intake of magnesium, calcium, and phosphate is particularly important as these three minerals are closely related to vitamin D. A deficiency in magnesium or calcium stimulates vitamin D activation in the kidneys. In turn, active vitamin D increases the active absorption of magnesium and calcium in the small intestine and reduces their excretion via the kidneys. Active vitamin D also increases the excretion of phosphate.

A delicate balance must be maintained. Too much or too little should not be taken in any of the three minerals. However, the balance is disturbed for many people: a magnesium deficiency is common, as is an overload with calcium and phosphate. The result: the calcium and phosphate overload accelerates aging, often dramatically, even if blood serum’s normal values are adhered to. Among other things, the calcification of the soft tissue is promoted, the calcification of the arterial walls and the connective tissue, for example, in the kidneys, whereby kidney function declines with age and, ultimately, health deterioration accelerates.

The danger does not come from the storage form of vitamin D (readable from the vitamin D level) but from the excessive calcium or phosphate intake. If you consume plenty of dairy products, the passive intake of calcium can lead to overload. If there is also a magnesium deficiency, more vitamin D is activated, further increasing the active absorption of calcium, inhibiting its excretion, and worsening the calcium overload.

Many people eat a calcium-free diet in the morning, but they eat plenty of cheese and overload themselves with calcium in the evening- phases of deficiency alternate with phases of overload. In the event of a deficiency, bone resorption is accelerated to get the required calcium out of the bones, while calcium-rich meals risk overloading. In many older people, advanced bone loss can be determined and, at the same time, calcification of the arterial walls, resulting from a paradoxical disruption of calcium metabolism.

Calcium Overload / Overdose

Large amounts of calcium are supplied through dairy products, milk, cheese, quark, yogurt, and kefir. Butter is safe in this regard because it does not contain calcium.
We do not need much calcium, by no means 1000 to 1500 mg daily, as is often recommended. Only the deficit needs to be made up, and the losses replaced. This has to happen immediately; otherwise, the parathyroid hormone will be released, and bone loss will accelerate. This activates and uses more vitamin D. To avoid this, every meal should contain calcium if possible, but not too much to avoid overload. This is most safely achieved with fruits or vegetables, which are also good sources of magnesium. Calcium and magnesium in fruits and vegetables are absorbed well if the intestinal mucosa is healthy and good digestion.

Overload / Overdose With Phosphate

The greatest danger to the mineral balance is posed by phosphate additives because most of the free phosphate is absorbed. Phosphate additives are contained in processed cheese (as melted salt for better spreadability), in cola and sweet drinks, (as phosphoric acid), often also in sausages (spread sausage, bratwurst, white sausage, bockwurst, ham sausage), in bread spreads, baking powder, baker’s yeast, and instant soups.
Even without phosphate additives, much phosphate is supplied through dairy products. Hard cheese reaches peak values with 1500 to 2400 mg phosphate per 100 grams. For comparison, other phosphate-rich foods: soft cheese (700 to 1100 mg), quark (580 mg), milk (285 to 300 mg), meat (400 to 650 mg), eggs (660 mg), and fish (600 to 830 mg).
Therefore, one liter of milk has 3000 mg of phosphate, a huge amount, even if the abundant calcium it contains reduces phosphate absorption. Nevertheless, milk is an unparalleled calcium and phosphate bomb, suitable as food for calves that quickly build their skeleton because the mineralized bone mass consists of calcium phosphate. Cow’s milk is not recommended for adults, at least not in large quantities, as this leads to calcium and phosphate overload. Note the high calcium and phosphate content of cow’s milk compared to breast milk. Although the infant also grows quickly and builds bone mass quickly, it receives less calcium and phosphate than calves. If an infant has to be given cow’s milk, it is advisable to dilute it with water.

Calcium And Phosphate Content Of Cow And Breast Milk

Cow’s Milk
[mg/100 g]
Breast Milk
[mg/100 g]
Calcium120304: 1
Phosphate285456: 1

Note: in some tables, the phosphorus content is given (31g/mol), not to be confused with phosphate PO₄³⁻ (95g/mol)

Accelerated Aging With Calcium And Phosphate Overload / Overdose

A large study in Sweden with 61,433 women (39 to 74 years old at the start of the study, observation period 20 years) showed an increased death rate. Women who drank three glasses of milk or more a day had a 93% higher death rate than women who did not drink milk (Michaëlsson 2014).

The same study’s evaluation a year earlier also yielded revealing findings: in women with a calcium intake of more than 1400 mg daily, the risk of a fatal heart attack was increased by 40%. Due to insufficient blood flow to the heart muscle (ischemic heart disease), the risk of death was more than doubled (to 214%). Women who consumed more than 1400 mg of calcium daily with their food and took calcium supplements had a two and a half times higher death rate (257%) than those with moderate calcium intake (Michaëlsson 2013). Since the death rate doubles approximately every eight years in the second half of life, this corresponds to an eleven year shorter life span. These women had only followed the usual dietary recommendations (at least 1000 to 1500 mg calcium per day) and took calcium supplements on their doctor’s advice. To classify this study: taking calcium supplements in combination with a diet rich in calcium has the same life-shortening effect as heavy smoking. Nevertheless, an abundant calcium intake is recommended everywhere.

Many studies confirm that calcium and phosphate overload accelerate aging and shorten life. In contrast, the supply of vitamin D and magnesium improves health and increases life expectancy.

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