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Orthomolecular-based megadose recommendations for vitamin C are based mainly on theoretical speculation and observational studies, such as those published by Ferd R. Klenner from the 1940s through the 1970s. There is a strong advocacy movement for very high doses of vitamin C, yet there is an absence of large-scale, formal trials in the 10 to ...
For instance, if the ADI is based on data from humans the safety factor is usually 10 instead of 100. The ADI is usually given in mg per kg body weight. [5] The ADI is considered a safe intake level for a healthy adult of normal weight who consumes an average daily amount of the substance in question.
Beginning in the 1930s in Canada, a megadose vitamin E therapy for cardiovascular and circulatory complaints was developed by Evan Shute and colleagues, named the "Shute protocol". [15] Tentative experiments in the 1930s by Claus W. Jungeblut [ 16 ] with larger doses of vitamin C led to Frederick Klenner's development of megadose intravenous ...
In the United States, overdose exposure to all formulations of "vitamins" (which includes multi-vitamin/mineral products) was reported by 62,562 individuals in 2004 with nearly 80% of these exposures in children under the age of 6, leading to 53 "major" life-threatening outcomes and 3 deaths (2 from vitamins D and E; 1 from a multivitamin with ...
Compared to plant sources, animal-sourced foods do not provide so great an amount of vitamin C, and what there is is largely destroyed by the heat used when it is cooked. For example, raw chicken liver contains 17.9 mg/100 g, but fried, the content is reduced to 2.7 mg/100 g. Vitamin C is present in human breast milk at 5.0 mg/100 g. Cow's milk ...
Tolerable upper intake levels (UL), to caution against excessive intake of nutrients (like vitamin A and selenium) that can be harmful in large amounts. This is the highest level of sustained daily nutrient consumption that is considered to be safe for, and cause no side effects in, 97.5% of healthy individuals in each life stage and sex group.
Vitamin C and the Common Cold is a popular book by Linus Pauling, first published in 1970, on vitamin C, its interactions with common cold and the role of vitamin C megadosage in human health. [1] The book promoted the idea that taking large amounts of vitamin C could reduce the duration and severity of the common cold .
In the United Kingdom, the daily allowance for salt is 6 g (approximately 1.2 teaspoons, about the upper limit in the U.S.), an amount considered "too high". [ 16 ] [ 17 ] The Institute of Medicine advisory stated (daily intake basis): "Americans consume more than 3,400 milligrams of sodium – the amount in about 1.5 teaspoons of salt (8.7 g ...