But when this creeps over a daily dose of 1g, less than 50% is absorbed and the rest is removed in urination.⁷ The final say

They are potent antioxidants that work together with vitamin C to enhance its antioxidant properties by keeping it active longer. However, the high intake of vitamin C required to counteract the fall in concentration after infection (gram doses), or even simply to help reduce the risk of infection…/… may be difficult to achieve when the data show that people already often fail to reach the current RDA for vitamin C (25–90 mg/day), depending on age, and that an inadequate vitamin C intake is already more widespread than many people realize.” 3 Bioflavonoids — aka flavonoids or “vitamin P” — naturally occur in pretty much all fruits, vegetables and herbs. Chocolate, tea and wine, as well as some dry beans and seeds, also contain vitamin P. Flavonoids are a large family of over 5,000 hydroxylated polyphenolic compounds that carry out key functions in plants, such as attracting pollinating insects, fighting environmental stresses and modulating cell growth. In humans, their bioavailability and biological activities appear to be strongly influenced by their chemical nature.

Are flavonoid supplements safe?

Bioflavonoids are powerful antioxidants in their own right, they are even more powerful when combined with vitamin C, as they are in this AOR formulation. Bioflavonoids, or simply flavonoids, are the pigments found in most plants that give fruits and vegetables their colour. Although there are several enzyme systems within the body that scavenge free radicals, the principal micronutrient antioxidants are vitamin C, vitamin E, selenium, and beta-carotene. The body cannot manufacture these micronutrients, so they must be supplied in the diet. The effectiveness of antioxidants such as vitamins C and E depend on the availability of GSH. Oxidative stress may reduce the levels of GSH as well as the activity of enzymes such as SOD, resulting in increased apoptosis and airway remodeling. Low dietary intake of foods high in antioxidants such as vitamin C, vitamin E, selenium, and bioflavonoids, may further perturb the oxidantantioxidant balance.

Several studies conducted in both the U.S and in Europe have looked into the link between bioflavonoid consumption and heart disease. In one meta-analysis that examined 14 studies, the authors reported that increased consumption of bioflavonoids were linked to a reduction in the risk of heart disease. (3) 4) Blood PressureFlavonoids are a large family of polyphenolic plant compounds, while carotenoids are yellow, orange and red pigments synthesized by plants. Time-release versions aim to solve this problem by releasing the vitamin C more slowly throughout the day. A number of studies have also evaluated the relative bioavailability of vitamin C from different tablet formulations and found that slow-release versions provide improved vitamin bioavailability. 23-27 Pureway C ™ Vitamin C is a water-soluble vitamin and a powerful antioxidant. Abundant in fruits and vegetables, vitamin C helps the body form and maintain connective tissue, including collagen found in the cornea of the eye. When considering the use of herbal supplements, seek the advice of your doctor. You may also consider consulting a practitioner who is trained in the use of herbal/health supplements. Frei B., Birlouez-Aragon I., Lykkesfeldt J. Authors’ perspective: What is the optimum intake of vitamin C in humans? Crit. Rev. Food Sci. Nutr. 2012; 52: 815 – 829

Carr AC, Vissers MC. Synthetic or food-derived vitamin C-are they equally bioavailable? Nutrients. 2013;5(11):4284-4304. Na IS, Nguyen K et al. Now you C me: a case of scurvy presenting as depression and anaemia. BMJ Case Rep. 2020 Mar 4; 13(3) Quercetin works because it has antihistamine properties as well as anti-inflammatory actions which can reduce the impact of seasonal allergies as well as skin reactions and even asthma. Quercetin controls the release of the body’s histamine in response to allergens resulting in fewer of the familiar symptoms like runny nose, watery eyes and hives. Bioflavonoids are often recommended along with vitamin C for people who bruise easily. Bioflavonoids help strengthen the capillaries, which makes them helpful for healing bruises. Bioflavonoids, especially citrus flavonoids, may also increase the effectiveness of vitamin C. Feel free to eat any and all vegetables, particularly green and red ones, to obtain your daily dose flavonoids. Broccoli, kale, onions (red, yellow and spring), red and hot peppers, rutabaga, spinach, and watercress are some of the heavy hitters when it comes to flavonoids. Red and green onions are especially high in quercetin. Artichokes and celery are high in the flavones, while okra and broccoli are high in flavonols.Timed-release form At Nutri Advanced we believe that no matter what your choice, a formula should always be: So how much vitamin C do you need? According to the National Institutes of Health, the Recommended Dietary Allowance of vitamin C is 90 milligrams per day for men and 75 mg for women. Research suggests smokers need more vitamin C than nonsmokers. Supplement form: There are three basic supplement forms: powder, chewable tablets, and pills or capsules. One type isnt necessarily better than the other because all can contain different amounts of vitamin C. Powders offer more doses per dollar, but you have to mix it in liquid before ingesting. What really matters is the form thats the easiest for you to take and wont upset your stomach. Studies have reported protective effects of diets high in fish, fruits, and vegetables on asthma in children. Observational studies of children who eat fish regularly, thus having high dietary intake of omega-3 fatty acids, have a 3050% reduction in childhood asthma. Fish oil supplements that are rich in the omega-3 polyunsaturated fatty acids eicosapentaenoic acid and docosahexaenoic acid have been found to be beneficial for children with bronchial asthma.