The Office of Dietary Supplements Department of the National Institutes of Health (NIH) recommends the following daily vitamin D intake for Americans: (8) Infants from birth to one year need 0 micrograms (mcg) or 400 international units (IU) of vitamin D. ...
Recent data support an important role for vitamin D in respiratory health. We tested the hypothesis that dietary vitamin D3 (VD3) intake modulates diaphragm (DIA) strength. Four-week-old female A/J mice (n = 10/group) were randomized to receive diets containing 100 IU VD3/kg (low), 1,...
Conclusion The intake of vitamin D3 did not change the quality and quantity of spermograms and serum levels of LH, FSH, TT, and FAI but affected FT and SHBG. Further studies are still needed to clarify the biological role of vitamin D3 on fertility particularly on male fertility. This ...
At the same time, vitamin D supplement intake helps increase the serum 25(OH)D level, especially for the older adults. We believe the different serum 25(OH)D level over age between China and the US may be explained by the much higher vitamin D usage in the US than in China20,22. ...
规格:220粒。每粒含5000IU维生素D3。主要功效:维生素D3通过促进钙和磷的吸收,促进钙和磷骨提升骨密度,预防骨质疏松及骨折的发生;促进生长和骨骼钙化,促进牙齿健康,是强健骨骼和牙齿的重要营养;促进肌体对钙、磷的吸收,使血钙浆和血浆磷的水平达到饱和程度,维持血
The study concluded that patients with a supplement intake of vitamin D3 had an effect on the semen quality, especially the motility and deformity of sperms in vitamin D3-insufficient men.doi:10.4308/hjb.29.5.562-569Abed, Hayder H.
CONCLUSIONS: The 100-microg/d dosage of vitamin D3 effectively increased 25(OH)D to high-normal concentrations in practically all adults and serum 25(OH)D remained within the physiologic range; therefore, we consider 100 microg vitamin D3/d to be a safe intake. 展开 ...
Intakes of Ca are a concern among certain groups of the population, for example a high proportion (>12%) of teenage boys and girls fail to meet the lower reference nutrient intake for Ca. For vitamin D, there are no dietary reference values for the age group 4–64 years as it is ...
"It's very easy to get all the vitamin B you need in this country, from eating meats, chickpeas and foods like cereal that are fortified with them, so there really is no reason to supplement your vitamin B intake at these levels, and certainly not for years on end."...
Bland-Altman plot comparing 25(OH)D estimates obtained from serum and blood spots in the same samples. Full size image Statistical analysis Potential differences between groups (sex, ancestry) for 25(OH)D levels, dietary, supplemental and total vitamin D intake, and melanin index were examined ...