Will drinking tea cause calcium deficiency?

Drinking tea will not cause calcium loss.

From the perspective of epidemiology and human experiments, it has not been found that drinking tea will cause calcium, copper, iron, manganese, and zinc deficiencies. Even among people with insufficient mineral intake, the results Same thing. From the perspective of metabolic studies, it has not been found that drinking tea will significantly affect the excretion of minerals in feces and urine.

Research evidence also shows that tea does not affect the intestinal absorption of iron at all. When tea is used to replace daily drinking water, it will not affect the utilization rate of iron. Only when iron supplements are put into tea and drank together, or when iron-rich foods are eaten with tea. Shows the effect of reducing iron absorption rate. Among various teas, black tea has the strongest effect on reducing iron absorption, while green tea and flower and fruit tea have slightly weaker effects.

On the contrary, the habit of drinking tea is beneficial to improving bone density. Multiple studies have proven that tea drinking habits, whether drinking black tea or green tea, are beneficial in increasing bone mineral density.

Although the caffeine component in tea will promote the loss of calcium from urine, the caffeine content in tea is not high. Even black tea only has 30-45 mg/cup, and there are more substances in it. Helps reduce the loss of calcium, including fluorine, phytoestrogens and rich potassium.

Extended information:

Benefits of drinking tea

1. Improve muscle endurance

Drinking tea can improve muscle endurance. This is Because tea also contains an antioxidant called catechin, which can increase the body's ability to burn fat, improve muscle endurance, help fight fatigue, and increase the time for physical exercise. Drinking green tea regularly has the most significant effect.

2. Resist ultraviolet rays

Tea polyphenols are water-soluble substances. Washing your face with tea can remove facial greasiness, shrink pores, and has the functions of disinfection, sterilization, and anti-skin aging. It helps reduce the damage to the skin caused by ultraviolet rays in the sun and is a natural "sunscreen".

3. Keep in shape

The discussion about tea in the Tang Dynasty's "Supplements to Materia Medica" mentioned that "eating for a long time makes people thin", and modern scientific research has confirmed this. The caffeine in tea can promote the secretion of gastric juice, aid digestion, and enhance the body's ability to decompose fat. Foreign studies have also shown that regular tea drinking can reduce waist circumference and lower body mass index (BMI), thereby helping to prevent diabetes and cardiovascular and cerebrovascular diseases.

4. Resist radiation

Foreign studies have shown that tea polyphenols and their oxides can absorb some radioactive substances, protect cells from radiation damage, and are also helpful in repairing damaged cells. Clinical studies have shown that tea extract can treat mild radiation sickness caused by cancer patients during radiotherapy, and has a good effect in treating the decrease in blood cells and leukocytes caused by radiation.

Ifeng.com-Drinking tea will not cause anemia or calcium deficiency