ASTALAVISTA! Why Don T Humans Produce Vitamin C

We as humans are unable to synthesize our own vitamin C.

Why don t humans produce vitamin c. This is due to a mutation in the genes encoding for gulonolactone oxidase GULO for short rendering the final phase in the creation of ascorbic acid vitamin C inoperative. Notably not only all humans but also gorillas chimps orangutans and some monkeys have this inborn genetic flaw meaning that the loss of vitamin C biosynthesis must have occurred first in one. Answer 1 of 3.

Page 2 at the GodlikeProductions Conspiracy Forum. Vitamin C or ascorbic acid is an important cofactor that stimulates the immune system and apparently assists in shortening the. The loss of the ability to synthesize vitamin C in human lineage is one of many examples of how evolutionary mechani.

On average the onset of symptoms related to the deficiency is about four weeks. 2011 What this figure depicts is the step-by-step synthesis that vertebrates body cells perform to. This then spontaneously forms Ascorbic Acid Vitamin C.

During the prolonged voyage the fleet did not have access to fresh foods containing essential vitamins and thus resulted in such tragedy. Answer 1 of 2. Only fruit bats guinea pigs and primate monkeys do not synthesize vitamin C naturally and are in the same predicament as humans.

All old world monkeys and apes are trichromats but then none of them can make their own vitamin c. To see why lets examine the vitamin C biosynthetic pathway. But dogs dont need vitamin C.

But at some point in the evolutionary process that gene became disabled and we lost that ability. A typical 155-pound goat can produce more than 13000 milligrams of vitamin C daily. By William Misner PhD.

The onset of the symptoms from scurvy will depend on the length of time that it takes for you to use up your limited body storage of vitamin C. Their bodies can synthesize vitamin C all on their own. Adam and Eve Vitamin C and Pseudogenes.

It is also essential for collagen synthesis which is why insufficient amounts of this vitamin lead to scurvy. There is very likely no evolutionary advantage to being unable to synthesize vitamin C. Work establishing mammalian biosynthesis of ascorbic acid indicates that the vitamin C metabolic requirements as is generally accepted may well represent an oversimplification of available evidence1 2 3 Grollman Chattejee Isherwoods research of the.

For a while this contented everyone until scientists tracked down the element that prevented scurvy vitamin C and wondered why the disease only seemed to affect humans. Hi I am always interested in the question as to why we lost the ability to produce vitamin C. The recommended daily dose of vitamin C for humans is just one mgkg while goats for example produce the vitamin at a striking rate of 200 mgkg each day.

Humans do not produce Vitamin C due to a mutation in the GULO gulonolactone oxidase gene which results in the inability to synthesize the protein. It is a mystery as to why fish primatesguinea pig and mando not synthesize Vitamin C but they do notHumans should supplement a minimum of. I was going from Keto to Carnivore and worried about the lack of fiber and the elimination of many healthy plant-based antioxidantsI was curious about its associations with cancer and correlations with disease.

Why Carnivores Dont Get Scurvy. Do Humans Need Vitamin C. Its other functions include the synthesis o.

There are a couple of important points there. On the other hand most animals produce their own vitamin C internally either in the liver or kidneys via an enzyme called gulonolactone oxidase that converts blood sugar to vitamin C ascorbate. With such a complex biological environment that the human body has accidental mutations are common and those that are innocuous are likely to remain.

Many researchers contend that our prehistoric ancestors did have the gene that enabled the body to produce its own vitamin C. Discussion about Why do humans not produce vitamin C like most animals. As a comparison the recommended dietary allowance for humans of vitamin C proposed and used by nutritionists is 90 milligrams.

Every winter as the influenza flu season spreads across America people flock to stores to get vitamin C tablets to deliver them from the symptoms of the common cold. Do humans need Vitamin C I wondered When I first decided to experiment with the Carnivore Diet I had some concerns. The recommended daily dose of vitamin C for humans is just one mgkg while goats for example produce the vitamin at a striking rate of 200 mgkg each day.

We must consume it from exogenous supplements or our diet. Vitamin C is a water-soluble compound with anti-oxidant properties that protects living organisms against oxidative stress. We humans as almost all simian species lemurs and prosimians excluded are not able to synthesize our own vitamin C.

Genetic studies have shown that humans as well as other scurvy-prone mammals was able to synthesize vitamin C endogously at one point but lost this ability 25 million year ago. Normal GULO is an enzyme that catalyses the reaction of D-glucuronolactone with oxygen to L-xylo-hex-3-gulonolactone. Page 3 at the GodlikeProductions Conspiracy Forum.

To attempt to answer the question of why we are unable to synthesize vitamin C we must. For the human body a mutation at the coding region that is known as L-gluconolactone oxidase GULO renders this pathway dysfunctional which results in us being unable to self-synthesize vitamin C. Discussion about Why do humans not produce vitamin C like most animals.

Synthesizing vitamin c became redundant with that dietary flexibility. The human body isnt able to make vitamin C on its own so it is vital to get from foods. Humans are kinda unique among mammals in having trichromatic vision allowing us to have a diet including ripe fruits and vegetables.

Humans unlike other animals cannot make vitamin C. Unlike humans they do not need an external source. Consumption of vitamin C is thus necessary for human survival.

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