One of the anticancer actions of vitamin D is inhibition of tumor angiogenesis, which is highly beneficial in causing tumor regression, and inhibition of tumor growth.
In cancer, vitamin C is associated with prevention, progression, and treatment, due to its general properties or its role as a pro-oxidant at high concentration.
Antioxidant supplements such as co enzyme Q10, selenium and the vitamins A, C and E can help to prevent cell damage. But there is some evidence that taking high dose antioxidant supplements during cancer treatment might make the treatment less effective.
Studies are mixed on whether vitamin B12 in combination with folate and B6 can reduce cancer risk, and it may increase risk of lung or colorectal cancers. Additional studies are needed to determine how vitamin B12 levels may affect cancer risk.
"Cancer-fighting foods"
The list is usually topped with berries, broccoli, tomatoes, walnuts, grapes and other vegetables, fruits and nuts. "If you look at the typical foods that reduce cancer risk, it's pretty much all plant foods that contain phytochemicals," says Wohlford.
Strawberries and raspberries have a phytochemical called ellagic acid. This powerful antioxidant may actually fight cancer in several ways at once, including deactivating certain cancer causing substances and slowing the growth of cancer cells.
Vitamin D is a steroid hormone important for regulating the immune system and has beneficial anti-inflammatory properties. Therefore, correcting deficiencies might reduce inflammation related to increased fatigue.
Vitamin B supplementation does not have an effect on cancer incidence, death due to cancer, or total mortality. It is associated with a lower risk of skin melanoma, but has no effect on other cancers.
Elevated levels of serum cobalamin may be a sign of a serious, even life-threatening, disease. Hematologic disorders like chronic myelogeneous leukemia, promyelocytic leukemia, polycythemia vera and also the hypereosinophilic syndrome can result in elevated levels of cobalamin.
Tyrosine kinase inhibitors (TKIs) block chemical messengers (enzymes) called tyrosine kinases. Tyrosine kinases help to send growth signals in cells, so blocking them stops the cell growing and dividing. Cancer growth blockers can block one type of tyrosine kinase or more than one type.
Berries such as blueberries, raspberries, blackberries and strawberries are extremely heathy. They're filled with fiber, folate, lots of Vitamin C and “they contain polyphenols that may interfere with the development of cancer,” Schreiber says.
Interestingly, about 60% of Americans are deficient in magnesium, including up to 60% of patients who are critically ill. In regard to cancer, magnesium intake has been associated with the incidence of some cancers and has been studied as a protective agent against chemotherapy-induced nephrotoxicity and neurotoxicity.
They also concluded that taking 1,000 units of vitamin D a day could potentially reduce your risk of colon cancer by as much as 50%. Other studies have suggested that improving your vitamin D status would have the benefit of reducing colorectal cancer by about 25%–50%, depending on the study.
Those who took 500 milligrams of vitamin B3 twice a day cut their chances of developing new skin cancers by 23 percent. It is important to note that this is not a substitute from sun-protection with sunscreens or clothing, but it can boost your prevention measures when combined with good protection measures.
Vitamin B1 supplementation has a duality of effects on cancer cell survival and proliferation. At low to moderate doses, thiamine has been shown to support cancer cell proliferation.
While some studies have reported positive anticancer effects of vitamin D supplementation, others have shown no effect or even increased cancer risk.
Eating small meals or a snack every three to four hours will help keep your energy level constant. Try 1/4 cup of nuts or seeds, whole grain crackers topped with 2 teaspoons of peanut butter, or 2 tablespoons of hummus as a dip with baby carrots to boost energy. Eat more when you're feeling well. Cut the Caffeine.
Vitamin B is recommended as one of the top vitamins to help with tiredness, so you can also opt for a supplement if you're struggling to stay topped up through your diet. Vitamins should be used alongside a balanced diet.
Of these, red and processed meats raise the most concern in terms of cancer risk. Red meat includes pork, beef, veal, and lamb. Processed meat includes bacon, ham, lunch meats, meat jerky, hot dogs, salami, and other cured meat products.
Sugar comes in many different forms, but the simplest form is a single molecule called glucose. All cells, including cancer cells, use glucose as their primary fuel. Glucose comes from any food that contains carbohydrates including healthful foods like vegetables, fruits, whole grains and dairy.