Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that dissolves in water and is delivered to the body’s tissues. However, it is not well stored in the body and must be consumed daily through food or supplements. Even before its discovery in 1932, nutrition experts recognized that something in citrus fruits could prevent scurvy, a disease that killed millions of sailors between 1500 and 1800. Vitamin C plays a crucial role in controlling infections and healing wounds. It is also a powerful antioxidant that can neutralize harmful free radicals. The vitamin is needed to make collagen, a fibrous protein found in connective tissue that is woven throughout various systems in the body, including the nervous, immune, bone, cartilage, and blood systems. Vitamin C also helps make several hormones and chemical messengers used in the brain and nerves. Due to its function as an antioxidant and its role in immune function, vitamin C has been promoted as a means to help prevent and treat numerous health conditions. This includes cancer (both prevention and treatment), cardiovascular disease, age-related macular degeneration (AMD) and cataracts, and the common cold. In terms of cancer prevention, epidemiological evidence suggests that higher consumption of fruits and vegetables is associated with lower risk of most types of cancer. This may be due in part to their high vitamin C content. Vitamin C can limit the formation of carcinogens such as nitrosamines in vivo, modulate immune response, and possibly attenuate oxidative damage that can lead to cancer through its antioxidant function. Most case-control studies have found an inverse association between dietary vitamin C intake and cancers of the lung, breast, colon or rectum, stomach, oral cavity, larynx or pharynx, and esophagus. Additionally, plasma concentrations of vitamin C are lower in people with cancer than in healthy controls. For related products, please visit our website：https://www.reachever.com/Vitamin-C-L-ascorbic-Acid-Powder_p24.html

Docosahexaenoic acid, or DHA, is a type of omega-3 fatty acid. Like eicosapentaenoic acid (EPA), another omega-3 fatty acid, DHA is plentiful in oily fish such as salmon and anchovies. DHA is an essential fatty acid, meaning that it cannot be synthesized by the body and must be obtained through the diet. It plays a crucial role in brain development and function, as well as in maintaining eye health. DHA is particularly important for pregnant and breastfeeding women, as it is essential for the proper development of the fetus and infant. In addition to its role in brain and eye health, DHA has also been shown to have numerous other health benefits. It has been linked to improved heart health by reducing triglyceride levels and blood pressure. DHA also has anti-inflammatory properties and may help reduce the risk of chronic diseases such as arthritis and heart disease. DHA may also improve cognitive function in older adults. Studies have shown that supplementing with DHA can improve memory and cognitive function in older adults with mild cognitive impairment. DHA can be obtained through the diet by consuming oily fish or by taking supplements. It is also found in some fortified foods such as eggs and milk. Vegetarians and vegans can obtain DHA from algae-based supplements. For related products, please visit our website：https://www.reachever.com/Fish-Oil_p231.html

Fish oil is a rich source of omega-3 fatty acids, specifically docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). These fatty acids are essential for maintaining good health and have been shown to provide numerous benefits. One of the most well-known benefits of fish oil is its ability to improve heart health. Studies have shown that fish oil can improve cholesterol levels by increasing levels of HDL (good) cholesterol and potentially lowering levels of LDL (bad) cholesterol . In addition to its benefits for heart health, fish oil has also been shown to support brain function and mental health. DHA is an important component of brain cell membranes and has been linked to improved cognitive function and reduced risk of neurodegenerative diseases. Fish oil may also have anti-inflammatory effects and has been used to help manage conditions such as rheumatoid arthritis. Additionally, it may support eye health and reduce the risk of age-related macular degeneration. Overall, fish oil is a valuable source of essential fatty acids that can provide numerous health benefits. It can be obtained through dietary sources such as fatty fish or through supplementation. For related products, please visit our website：https://www.reachever.com/Fish-Oil_p231.html

Omega-3 fatty acids, especially EPA and DHA, may have a protective effect against COVID-19 infection andor adverse outcomes, according to a new study published in the American Journal of Clinical Nutrition (AJCN) that explores the role of omega-3 fatty acids, specifically EPA and DHA, and whether they may have a protective effect against COVID-19 infection andor adverse outcomes.   The study compared the risk of three COVID-19 outcomes - testing positive, hospitalization, and death - as a function of baseline plasma DHA levels. DHA levels (as a percentage of total fatty acids) were measured by nuclear magnetic resonance (NMR) spectroscopy but were converted to an omega-3 index (red blood cell EPA+DHA%) in this analysis. Prospective cohort studies from the UK Biobank were used to obtain the three outcomes and relevant covariates for 110,584 participants (hospitalization and death) and 26,595 participants who had been tested (COVID-19 PCR positive) during the period of January 2020 to March 2021.   In fully adjusted models, individuals in the highest fifth (with the highest omega-3 index levels) had a 21% lower likelihood of testing positive than those in the lowest fifth, and for each 1-SD (standard deviation) increase in plasma DHA%, the risk of testing positive was 8% lower. The likelihood of hospitalization was also 26% lower for individuals in the highest fifth than for those in the lowest fifth, and for each 1-SD increase in DHA%, the risk of hospitalization was 11% lower. For COVID-19 death, the risk decreased monotonically before the fourth fifth, but the decrease was partially attenuated beyond the fifth fifth and became nonsignificant. Omega-3 index estimates for the five DHA fifths ranged from 3.5% (lowest fifth) to 8% (highest fifth).   The researchers noted in their paper that these values are consistent with an omega-3 index risk cutoff [initially proposed for cardiovascular disease mortality in 2004] of 8% (low risk) and suggest that these target levels may also be applicable to COVID-19 outcomes.   The researchers also noted that South Korea and Japan reported very low severity of COVID-19 disease, and although underreporting of cases, social distancing policies, and other population-wide interventions undoubtedly contributed to this, it is interesting to note that healthy Koreans and Japanese have omega-3 index values of approximately 8-12% and 7-11%, respectively, which is much higher than the 4-5% omega-3 index in Western populations like the US.   Vivar-Sierra et al. documented a worldwide pattern of higher omega-3 fatty acid intakes being associated with lower COVID-19 death rates. Although only suggestive, this observation further supports a potential role for omega-3s EPA and DHA in preventing fatal COVID-19 disease, the researchers said.   This study confirms earlier findings that low omega-3 status is associated with an increased risk of COVID-19 hospitalization, said William S. Harris, PhD, FA...

L-Theanine supplement is an amino acid commonly found in tea leaves, particularly green tea. It is known for its relaxing and stress-relieving properties and has become increasingly popular as a dietary supplement. L-Theanine is thought to work by increasing the levels of neurotransmitters such as dopamine and serotonin in the brain, which are associated with feelings of happiness and relaxation. It also has an inhibitory effect on the neurotransmitter glutamate, which can lead to feelings of stress and anxiety. Studies have shown that L-Theanine can help reduce stress and improve sleep quality, as well as improve cognitive performance, particularly in tasks that require attention and focus. It has also been shown to lower blood pressure and improve overall cardiovascular health. L-Theanine is considered safe for most people and has few side effects. It is often used in combination with caffeine, as the two compounds are thought to have a complementary effect on cognitive performance and mood. In conclusion, L-Theanine is a naturally occurring amino acid with a range of benefits for both physical and mental health. Its relaxing properties and ability to improve cognitive performance make it a popular supplement for individuals looking to enhance their wellbeing. However, as with any supplement, it is important to consult a healthcare professional before starting to take L-Theanine. For related products, please visit our website： https://www.reachever.com/L-Theanine_p245.html

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