Green World Products Calcium Softgel
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Product information
Benefits: People who are unable to meet the calcium daily intake allowance from their diet. Calcium deficiency, Females during pregnancy or lactation, Postmenopausal females and Seniors with insufficient daily intake of calcium.
Key Knowledge:
Calcium plays a very important role in maintaining the normal physiological function. It is the most abundant mineral in the body, is found in some foods, added to others, available as a dietary supplement, and present in some medicines (such as antacids). Calcium is required for vascular contraction and vasodilation, muscle function, nerve transmission, intracellular signaling and hormonal secretion, though less than 1% of total body calcium in needed to support these critical metabolic functions.
Reservoir of Calcium- bone and teeth:
Serum calcium is very tightly regulated and does not fluctuate with changes in dietary intakes; the body uses bone tissue as a reservoir for, and source of calcium, to maintain constant concentrations of calcium in blood, muscle, and intercellular fluids. The remaining 99% of the body's calcium supply is stored in the bones and teeth where it supports their structure and function. Bone itself undergoes continuous remodeling, with constant resorption and deposition of calcium into new bone.
Calcium intake and age:
The balance between bone resorption and deposition changes with age. Bone formation exceeds resorption in periods of growth in children and adolescents, whereas in early and middle adulthood both processes are relatively equal. In aging adults, particularly among postmenopausal women, bone breakdown exceeds formation, resulting in bone loss that increases the risk of osteoporosis over time.
RDA of calcium intake:
Recommended Dietary Allowance (RDA) is designated as average daily level of intake sufficient to meet the nutrient requirements of nearly all (97%-98%) health individuals.
They are listed in the following table in milligrams (mg) per day.
Dosage and directions for use: 1-2 softgels at a time, once a day
Recommended Daily Intake Amount of Calcium (mg)
| Age | Amount | Age | Amount |
| 6 mo. or below | 400 | 18-25 | 1200-1500 |
| 6 mo. to 3 yrs. infant | 600 | Over 25 | 800 |
| 3 to 10 yrs. child | 800 | Pregnant or menopausal women | 1100-1500 |
| Adolescent below 18 yrs. | 800-1000 | 65 and over | 1000-1500 |
Ca++ Absorption and Excretion
The absorption of Ca++ by the human body consists of three methods: (a) Ca is absorbed into the blood from food through the intestine tract; (2) Ca re-absorption of digestive juice in the intestine; (c) Ca re-absorption by the renal tubular in crude urine.
The absorption of Ca++ is classified into active and passive forms. For products of passive absorption, the oral absorption rate can reach 40% even 95%.
There are five factors contributing to Ca absorption: (a) gastric concentration. (b) diet: the ratio of Ca and Phosphorous in food and the amount of fat, carbohydrate, protein and oxalic acid. (c) hormone: calcitonin, estrogen, adrenaline, thyroxin have effect on Ca absorption. (d) VD and the derivatives. (e) age: Ca is absorbed more slowly as people age; this is especially true of women.
99% of blood Ca enters into the bone. The main excretion avenues of Ca are digestive tract, urine, skin (sweat), and breast. Daily filtration by glomerulus is about 9000 to 10000mg, 8800mg of which is re-absorbed by renal tubular and 200mg is excreted into the urine.
Calcium and Bone Metabolic DiseasesAdult metabolic diseases are usually caused by insufficient deposition of mineral salts in bone due to disturbance of equilibrium of Calcium, phosphorous, and magnesium.
Osteoporosis occurs because of softened bones, and bone depletion caused by a lack of unequilibrium between the dicipation of old bone and biogenesis of new bone. The symptoms are bone aches, fragility, and malformation of bones. The mechanism is related to endocrine hormone, bone transfer, Calcium, phosphorous, and magnesium metabolism. Bone metabolic diseases usually include neonatal, infant, children and adolescence rickets and osteoporosis.
Calcium and Cardiocerebrovascular DiseasesRecently, cardiocerebrovascular diseases, like arteriosclerosis, hypertension and heart diseases, are becoming the leading causes of death by disease.
In cardiocerebrovascular system, Calcium plays a leading role in myocardial contraction and dilation, blood flow and maintenance of blood pressure. The disturbance of Calcium metabolism has an effect on the development of cardiocerebrovascular diseases.
Calcium and Nervous System
The nervous system is the center of regulation in the human body. It ensures the normal operation of internal organs. To maintain these activities, a sufficient nutritional supply is essential. Besides required protein, fat, carbohydrate and vitamins, Calcium is indispensable to the nervous system.
Calcium is an essential element in maintaining the integrity of nerve system. It transfers messages, especially from nervous system and maintains the excitability of the nerve cells. Ca metabolism disturbance is an important factor although the real causes of nerve system diseases are complex. Thus, reasonable Calcium supplement in the treatment of nervous system diseases is recommended.
Calcium and Digestive System DiseaseThe nervous system is the center of regulation in the human body. It ensures the normal operation of internal organs. To maintain these activities, a sufficient nutritional supply is essential. Besides required protein, fat, carbohydrate and vitamins, Calcium is indispensable to the nervous system.
Calcium is an essenti