The daily requirement of vitamin D in Table 3 is disputed by this author. The minimum requirement should be from 400 to 800 IU in all ages, and especially, from age of a few years old to over 70 years, it should be at least 800 IU. However, as stated previously, the exact determina...
Vitamins are a heterogeneous group of organic substances that are present in our natural foods, that are of very high biological potency and that are required in extremely small concentrations for growth and maintenance of normal cells and body function.
Similar growth response to increasing vitamin A was also observed in chicks (Ringrose and Norris, 1936; Donovan, 1965) and broken-line regression had already been used to estimate minimum vitamin A requirement in lambs (May et al., 1987). Therefore, the minimum vitamin A requirement of ...
There is an alternative to the shots and injections. There are patches that contain a high dose of vitamin B12 and provide about 160 times of the minimum daily requirement of B12. In order to elevate the levels of B12, a 1000 mg dosage is prescribed. Since it is a topical patc...
The requirement to space the two postpartum doses by at least 24 h arises from concerns that 400,000 iu within a single day might result in transient increases in breast milk retinoic acid (a short-lived metabolite of vitamin A) to toxic levels (B. Underwood, Institute of Medicine, ...
One gram of a certain health food contains 7 percent of the minimum daily requirement of vitamin E and 3 percent of the minimum daily requirement of vitamin A. If vitamins E and A are to be obtained from no other source, approximately how many grams of the health food must be eaten dail...
Some have suggested that this minimum vitamin C intake should be at least 200 mg per day to optimize the full benefits of vitamin C. Is Vitamin C Safe? Vitamin C, in all formulations, has a great safety profile. Doses up to 2,000 mg per day are commonly taken and ...
While there has been considerable controversy surrounding the daily requirement of vitamin D and what constitutes sufficiency during these critical periods, there is mounting evidence of the importance of vitamin D supplementation during pregnancy to achieve a total circulating 25(OH)D concentration of ...
Most adults can meet the daily thiamine requirement by eating a variety of whole foods, including vegetables, sea veggies, seeds, nuts, sources of protein like fish or meat, and soaked/sprouted legumes. Most fruits and vegetables do not provide very high amounts of thiamine, although there are...
Reevaluation of the Minimum Vitamin A Requirement of Holstein Male Calves Based Upon Elevated Cerebrospinal Fluid Pressure 1972, Journal of Dairy Science Show abstract Metabolomics analyses to characterize metabolic alterations in Korean native calves by oral vitamin A supplementation 2020, Scientific Reports...