Adequacy - Calcium

Plant-Based Diets: A Physician’s Guide

Because of the ever-increasing body of evidence in support of the health advantages of plant-based nutrition, there is a need for guidance on implementing its practice. This article provides physicians and other health care practitioners an overview of the myriad benefits of a plant-based diet as well as details on how best to achieve a well-balanced, nutrient-dense meal plan.

Calcium and Vitamin D Disparities Are Related to Gender, Age, Race, Household Income Level, and Weight Classification but Not Vegetarian Status in the United States: Analysis of the NHANES 2001-2008 Data Set.

Objective: Adequate calcium and vitamin D intakes are critical during all life cycle stages.

Calcium and fructose intake in relation to risk of prostate cancer.

Laboratory and clinical data indicate an antitumor effect of 1,25(OH)2 vitamin D (1,25(OH)2D) on prostate cancer. High calcium intake suppresses formation of 1,25(OH)2D from 25(OH)D, thereby decreasing the 1,25(OH)2D level. Ingestion of fructose reduces plasma phosphate transiently, and hypophosphatemia stimulates 1,25(OH)2D production. We thus conducted a prospective study among 47,781 men of the Health Professionals Follow-Up Study free of cancer in 1986 to examine whether calcium and fructose intake influenced risk of prostate cancer.

Preschool vegetarian children. Dietary and anthropometric data.

Three-day dietary intakes were obtained on forty-eight preschool children between two and five years old, who had followed a vegetarian diet since birth. Intakes were calculated for food energy and selected nutrients. In addition, the children were measured for height, weight, triceps and subscapular skinfolds, and arm circumference. Average dietary intakes of the children compared favorably with the Recommended Dietary Allowances. Calcium was the only nutrient consumed in less than optimal amounts.

Dietary intakes of adolescent females consuming vegetarian, semi-vegetarian, and omnivorous diets.

PURPOSE:To determine the energy and nutrient intakes of some omnivorous and vegetarian female adolescents to compare their risk for nutrient inadequacies. METHODS:A convenience sample of 78 lacto-ovo-vegetarians (LOV), 15 semi-vegetarians (SV), and 29 omnivorous (OM) females aged 14-19 years completed three-day weighed records from which mean intakes and major food sources of energy, nutrients, and dietary fiber (as nonstarch polysaccharides (NSP)) were calculated.

Calcium bioavailability of vegetarian diets in rats: potential application in a bioregenerative life-support system.

Calcium bioavailability of vegetarian diets containing various proportions of candidate crops for a controlled ecological life-support system (CELSS) was determined by femur 45Ca uptake. Three vegetarian diets and a control diet were labeled extrinsically with 45Ca and fed to 5-wk old male rats. A fifth group of rats fed an unlabeled control diet received an intraperitoneal (IP) injection of 45Ca. There was no significant difference in mean calcium absorption of vegetarian diets (90.80 +/- 5.23%) and control diet (87.85 +/- 5.25%) when calculated as the percent of an IP dose.

[Data from an expedition to study a Siberian vegan settlement].

Health status, the way of life and nourishment of 84 vegans in Siberian village (Krasnoyarsk region) were studied and compared with those of 26 meat-eaters. The investigation included work with a questionnaire, clinico-diagnostic and laboratory research. It was shown that a vegetarian diet improves the serum lipid spectrum (cholesterol, LPLD, cholesterol of LPNP, atherogenic coefficient), normalizes weight and cardiovascular system. The vegans had normal levels of vitamin B12 and serum Fe but the calcium level in this group was lowered as compared with the control group.

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