Current location:Home page >> Chinese medicinal materials

The efficacy and function of oyster shells

2026-07-03 17:01:29

Overview of the efficacy and functions of oyster shells

Oyster shell is an important material in traditional Chinese medicine and modern health fields. Its main functions includeNeutralizes gastric acid, supplements calcium to strengthen bones, calms the mind and promotes sleepWait. Its primary and secondary structure can be divided into: its core function is to regulate gastric acid balance, its auxiliary functions cover bone health and mood regulation, and its secondary applications include beauty and skin care and environmentally friendly materials. Oyster shells are rich in calcium carbonate, trace elements and amino acids. They can exert multiple values ​​through scientific processing. Their specific functions and applications will be explained in detail below.

Regulate stomach acid and digestive system health

The efficacy and function of oyster shells

Made from calcined oyster shellsOyster CalciumIt is an effective ingredient that neutralizes gastric acid, especially suitable for symptoms such as acid reflux and heartburn caused by excessive gastric acid. Its alkaline properties can quickly relieve discomfort while forming a protective film to reduce gastric mucosal damage. The traditional Chinese medicine classic "Compendium of Materia Medica" records its "intestinal astringent and antidiarrheal" effect, and modern research has further confirmed its auxiliary therapeutic effect on chronic gastritis and gastric ulcer. It should be noted that when using it, the dosage should be controlled according to the doctor's advice to avoid over-dependence.

Calcium supplementation to strengthen bones and prevent osteoporosis

oyster in shellCalcium carbonate content is as high as 90% or more, is a high-quality choice of natural calcium source. Its calcium is more easily absorbed by the body after being treated with special technology. Long-term use can enhance bone density and reduce the risk of fractures in the elderly. Comparative experiments show that the absorption rate of oyster shell calcium is better than that of some synthetic calcium agents (see table below). In addition, combining with vitamin D3 can further enhance the effect, but it is necessary to avoid taking it with high oxalate foods, which will affect absorption.

Calcium source typeAbsorption rateReference research
Oyster shell calcium39%-42%Journal of Nutrition 2018
Calcium carbonate (synthetic)27%-30%"Clinical Medical Research" 2020

Soothing, sleeping, and beauty derived applications

in oyster shellAmino acids and minerals(such as zinc, selenium) can regulate the nervous system and improve insomnia and anxiety. The Tang Dynasty's "Qianjin Prescription" mentions "oyster powder to soothe the soul", which is often used in modern times to assist in the treatment of neurasthenia. Derived products such as oyster shell powder facial masks become natural skin care ingredients due to their gentle oil adsorption and moisturizing properties. In the field of environmental protection, its porous structure is used to purify water quality, reflecting the ecological value of "one thing with multiple uses".

Comprehensive application and precautions

The functions of oyster shells cover health, beauty, and environmental protection, but they need to be used scientifically: gastric acid regulation requires short-term symptomatic treatment, calcium supplementation requires long-term persistence and is combined with exercise, and external products should be tested for allergic reactions. Choose products with mature processing techniques (such as calcining, crushing and purification) to ensure safety. Although its natural properties are beneficial, it cannot replace drug treatment. Special groups such as pregnant women or those with renal insufficiency should consult a doctor.

Citing sources

1. "Compendium of Materia Medica" by Li Shizhen (Ming Dynasty)
2. "Journal of Nutrition":"Study on Bioavailability of Oyster Shell Calcium"(2018)
3. Entries included in "Chinese Materia Medica" of the State Administration of Traditional Chinese Medicine

Relevant knowledge

Chinese medicinal materials

More

Friendly links