(Sorry for broken/missing english if you find any) Myth number 5, the Great Scurvy Myth The next myth is how in a low to no carbohydrate diet, such as a carnivore diet, you won't get enough vitamin C, and therefore you will get scurvy. Frankly, this is just ridiculous. You don't see carnivores dropping dead from scurvy. Let's look at why. Vitamin C, also referred to as ascorbic acid in ascorbate, is a water-soluble vitamin that is crucially involved in collagen synthesis, catecholamine synthesis, bile synthesis, amino acid synthesis, and peptide hormone synthesis. It is a reducing equivalent, also known as an antioxidant, and an immune modulator, as it was actually shown to reduce leukocyte adhesion in people with atherosclerotic lesions. Most people know that most primates, including human beings, some bats and guinea pigs are the only animals that cannot synthesize vitamin C within their bodies due to the absence of a certain gene. According to one explanation, this gene was knocked out or rendered useless some time ago due to a change in our DNA structure. It is suspected that this gene, which goes by the somewhat long name L-Glono-Gamalactona oxidase, was selected against, implying that doing so had some beneficial effects. It is believed that, at this period, the Earth was quite warm and likely abundant in plants and fruits, so humans not only did not require a gene to synthesize vitamin C, but this gene also had unintended consequences that no one has been able to fully explain. As a result, we now need to derive vitamin C from food sources. How much vitamin C we need to consume is what seems to be unclear to people. On a phospholipid bilayer, two protein transporters are in charge of pushing different substances against concentration gradients across the membrane. A Glute4 transporter and an SVCT transporter, sodium vitamin C transporter, are two of them. Glute4 transporters normally carry glucose into cells, as already explained, but they also both contribute to how a cell stores vitamin C. Although it is frequently stated that human tissues cannot store vitamin C, two transporters exist that can. Storage is the act of keeping something in one place for an extended period of time for use while being pushed against its concentration gradient, and these transporters do exactly that with vitamin C, even if ephemerally. You may have noticed the significance of mentioning the Glute4 transporter, which typically transports glucose into cells. Here is where our explanation is. Vitamin C and glucose compete for transportation at the same transporter on the cell. The more sugar you eat, the more your body needs vitamin C, because the less your body can use of the vitamin C. The way that vitamin C functions while being stored in cell membranes is by functioning as an antioxidant. When vitamin C, ascorbic acid, is oxidized, it becomes dehydroscorbic acid, which donates electrons, which activates the enzymes involved in collagen synthesis and the synthesis of the other products alluded to earlier. Vitamin C is readily recycled from its oxidized form if the cellular redox potential is at an optimal level. Cellular redox potential, or reduction oxidation potential, simply refers to the measure of the propensity of a chemical or biological species to either acquire or lose electrons through ionization. If the cellular redox potential is suboptimal, then the dehydroscorpic acid oxidized vitamin C must be excreted and the dehydroscorpic acid is converted into oxalates. This can be a problem if present in significant amounts, as we explained in the last chapter. Therefore, it is important to minimize the excretion of vitamin C by not consuming more vitamin C than is required. The current dietary guidelines recommend around 80 milligrams per day. However, this is based on the standard American diet, which is a high sugar diet. It's also important to keep the cellular redox potential in shape, especially by regulating blood sugar levels as hyperglycemia leads to poor redox potential, which explains the supposed need for so much vitamin C in the diet, since this claim is based on a high sugar diet. This explains why people on a carnivorous, keto, and or low carb diet do not require nearly as much vitamin C as other people. In reality, the amount of vitamin C that is required to be present within the blood in order to prevent scurvy is around 4 to 10 micro moles, 0.7 to 1.76 milligrams. And, since vitamin C is readily recycled in the presence of optimal redox status of monocondria, as explained, there is no need to consume this amount each day, either. Therefore, the dietary requirement for human beings of vitamin C seems to be a matter of nanograms, billionths of grams. Again, this is only in the context of an optimally functioning organism. There is a history of sailors getting scurvy from what people attribute to the lack of the consumption of fresh fruit, primarily during the 15th and 16th century. But one of the details that seems to be missing from that story is the fact that the sailors that develop scurvy were on a diet of primarily sailors' biscuits. These biscuits weren't like the biscuits we have today. They were made of hardtack, which consists of only flour, salt, and water. The sailors did not get scurvy in the beginning of the journey, as they had access to meat like fish and pork. Later on, the meat and other food like pea soup would spoil and the only food that was left on the shells would be the biscuits, which are entirely bereft of vitamin C and teeming with carbohydrates. The only reason the myth that you need fruits and vegetables to combat scurvy came to fruition is because Dr. James Lind performed what's commonly known to be the world's first interventional study on six groups of sailors with scurvy and found that the group given citrus juice was the only group that began to ameliorate their condition. Other parts of the world have survived long journeys on meat alone and have evaded scurvy very effectively. Even Napoleon's army, when stranded in Egypt, evaded scurvy by eating only horse meat by his own orders to his army. Not eating fruits and vegetables will not induce scurvy. This is a myth. It's extremely clear. You require far more vitamin C in a diet that has rich in carbohydrates as sugar and vitamin C compete for the same transporter. Hyperglycemic events reduce cellular redox potential, causing you to need more vitamin C, and you typically need to use more on this type of diet as you need a higher antioxidant status to combat free radicals and other reactive oxidation species. There is sufficient vitamin C content in the muscle meat of large, ruminant animals to evade scurvy and serve your needs as a human being. If this wasn't the case, millions of carnivores would be dropping dead within months. The first signs of scurvy are fatigue and weakness, along with poor mood before anything else like bleeding gums occurs, which is usually in the later stages of scurvy. Symptoms also take about four to five weeks to set in, possibly up to three months, which is a very little time. The reasoning behind the fact that you will not develop scurvy on a properly tenured and properly fortified carnivore diet is not exclusive to vitamin C, either. This goes for nutrients like calcium, magnesium, and many others as well. There are no essential nutrients that cannot be found in adequate amounts in meat that you need to derive from anywhere else as long as you are abstaining from carbohydrates. This is yet another instance of fear-mongering to discourage people from effectively and unequivocally enhancing their health.