Micronutrient status affects immune response and infectious diseases in elderly

Summary This review, executed by a research institute in Boston, USA, gives an overview of different factors involved in aging in less developed countries. For instance, malnutrition and related micronutrient deficiencies account for many chronic diseases and increase the incidence of infectious diseases due to an impaired immune function. According to various studies, supplementation with…

Zinc supplementation in pregnant women may prevent placental malaria

Summary This study, conducted by several American, Tanzanian, and Canadian research institutes, aimed to investigate whether daily oral supplementation with vitamin A and/or zinc can reduce the risk of placental malaria and adverse pregnancy outcomes. Placental malaria is a life-threatening illness caused primarily by infection with a malaria-causing parasite. 2500 pregnant women were divided into…

Vitamin D intake during pregnancy and infancy reduces primary care visits for acute respiratory infections during early childhood

Summary This study, conducted by the University of Auckland, New Zealand, investigated the effect of vitamin D supplementation on primary care visits during pregnancy and infancy due to acute respiratory infections. Additionally, the required dose to achieve a normal vitamin D status during infancy was determined. To this end, healthy pregnant women were assigned in…

Vitamin D supplementation reduces risk of acute respiratory infections in Mongolian children

Summary Researchers from the Massachusetts General Hospital in Boston, USA, investigated the effect of vitamin D supplements on the risk of acute respiratory infections in children in Mongolia. To this end, 247 Mongolian schoolchildren were divided into two groups. The test group received milk supplemented with vitamin D (143 children), and the control group (104…

Vitamin D deficiency associated with hepatitis B-related liver diseases

Summary This study, conducted by research institutes from Vietnam and Germany, investigated the adverse effects of vitamin D deficiency on liver diseases associated with hepatitis B infections in patients in Vietnam. Vitamin D levels were determined in 400 chronic hepatitis B patients and 122 healthy control persons. The study results showed vitamin D inadequacy in…

Vitamin D supplementation prevents viral upper respiratory tract infections

Summary This study, conducted by a Canadian University, investigated whether vitamin D supplementation could prevent viral upper respiratory tract infections. 600 participants were divided into four groups. 1st group: vitamin D and gargling; 2nd group: placebo and gargling; 3rd group: vitamin D only, and 4th group: placebo only. The results showed that vitamin D supplementation…

Vitamin D helps reduce respiration infections and antibiotic use in patients with frequent respiratory tract infections

Summary This Swedish study aimed to investigate whether vitamin D supplementation could reduce infectious symptoms and antibiotic consumption in patients with frequent respiratory infections. 140 suitable participants were involved who received either a supplement or a placebo daily for one year. The results showed a significantly reduced number of infections and decreased antibiotic use in…

Vitamin A supplementation is an effective measure to manage and control malaria infections in infants

Summary A study from Nigeria investigated the effects of high-dose vitamin A supplementation on malaria in infants. 152 pregnant women were involved who were at least 6 months pregnant. The participants were divided into two groups with 76 participants each: a supplementation group that received a vitamin A supplement 3 times a week and a…

Patients with respiratory viral infections benefit from vitamin D supplementation

Summary According to this review by Romanian and British research institutes, vitamin D can benefit immune response (the reaction which occurs within our organism to defend against foreign invaders) in respiratory viral infectious diseases. This is because patients with respiratory infections are often vitamin D deficient. As a result of its increased antiviral and anti-inflammatory…

Vitamin D supplementation is a beneficial strategy for preventing bacterial and viral infections

Summary This review, conducted by several Canadian and British research institutes, gives an overview of the beneficial effects of vitamin D on the regulation of immune function. Vitamin D showed, among others, a beneficial interaction with multiple processes executed by the immune system and several effects on immune cells. Moreover, vitamin D deficiency at a…

Vitamin A supplements reduce morbidity and mortality in children in developing countries

Summary This review, conducted by several American and Canadian research institutes, gives an overview of studies investigating the effects of vitamin A on general morbidity and mortality in children aged between 6 and 59 months in low- and middle-income countries. The review shows that vitamin A significantly reduces general morbidity and mortality as an underlying…

Zinc supplementation improves immune response in children with Shigella infections

Summary This study, conducted by Bengali and Swedish research institutes, investigated whether short-term zinc supplementation improves the immune response in malnourished children with acute Shigella infections in Bangladesh. 28 children aged between 12 and 59 months were supplemented with zinc and other micronutrients daily for 2 weeks. A control group with 28 children received a…

Omega-3 fatty acids and antioxidant vitamins can prevent atrial fibrillation after bypass surgery

Summary A study at the University of Chile explored whether omega-3 fatty acids and specific vitamins can strengthen the antioxidant system and, in this way, reduce the incidence of postoperative atrial fibrillation. The antioxidant system is a group of enzymes and antioxidant molecules that control the formation of free radicals and reactive oxygen compounds and…

Intravenous iron supplementation improves symptoms of heart failure

Summary A multicenter, double-blind, placebo-controlled study was conducted to evaluate the benefit and safety of long-term intravenous iron administration in patients with heart failure. For this purpose, 152 heart failure patients with iron deficiency received a daily intravenous iron supplement for one year. The treatment led to long-term improvements in the patients’ functional capacity (ability…

Coenzyme Q10 reduces oxidative stress and inflammation in coronary heart disease

Summary High oxidative stress and chronic inflammation may contribute to the development of coronary heart disease. Therefore, a study from Taiwan investigated the antioxidant and anti-inflammatory effects of coenzyme Q10 in patients with coronary heart disease who were taking statins. The subjects were randomly divided into two groups. One group received 300 mg of coenzyme…

Combination of vitamin C and E has vasodilatory effect in patients with coronary heart disease

Summary Coronary heart disease is a narrowing or blockage of the coronary arteries usually caused by the buildup of plaque. In this study, Turkish scientists investigated the vasodilatory effect of vitamin C (ascorbic acid) and vitamin E (α-tocopherol) – i.e., their ability to widen blood vessels – in patients with coronary heart disease. For this…

Quercetin reduces risk of cardiovascular disease

Summary The present study investigated whether a quercetin supplement could reduce various risk factors for cardiovascular disease. For this purpose, 93 overweight or obese subjects with metabolic syndrome (simultaneous occurrence of several cardiovascular risk factors) were studied who supplemented their diet with quercetin for 6 weeks. The final results showed that dietary supplementation contributed to…

Dietary supplementation with vitamins, minerals, and phytonutrients reduces the risk of heart disease

Summary The study aimed to investigate the effect of a dietary supplement on the nutritional status of healthy adults and various biomarkers of heart disease. During the 8-week study period, 60 participants received a dietary supplement consisting of multivitamins, multiminerals, and phytonutrients. It was found that the subjects’ nutritional status improved, and cardiovascular biomarkers were…

Leucine-amino acid combination can improve body functions after stroke

Summary This study aimed to analyze the effects of a leucine-enriched amino acid supplement on muscle mass, muscle strength, and physical function in stroke patients with sarcopenia. The study involved 44 elderly stroke patients who took the aforementioned supplement for eight weeks. The subjects also performed a low-intensity rehabilitation program. The result showed that the…

Taurine reduces strokes

Summary This study investigated the effect of high-dose taurine supplementation in patients with recurrent stroke-like episodes. For this purpose, 10 patients were observed who received either 9 g or 12 g of taurine daily for 52 weeks. The results showed that oral taurine supplementation effectively reduced the incidence of stroke. Further details can be found…

Zinc sulfate as an effective preventive and therapeutic measure against the common cold

Summary This Turkish study aimed to determine the efficacy of prophylactic zinc sulfate treatment in reducing the common cold in children and evaluating the effectiveness of zinc sulfate in reducing the duration and severity of cold symptoms. 200 healthy children received a prophylactic oral zinc sulfate product (100 children) or placebo product (100 children) once…

Combined vitamin A and zinc supplementation leads to significant reduction of malaria morbidity in African children

Summary This study, conducted by researchers from Burkina Faso, the USA, and Austria, investigated the effects of a combined vitamin A and zinc supplementation on Malaria morbidity in children aged between 6 and 72 months in Burkina Faso. Children were divided into two groups of each 74 participants. One group received the micronutrient supplement, and…

Vitamin A supplementation improves health of Malaria-infected pregnant women

Summary The present study investigated the effect of vitamin A supplementation in pregnant Malaria-infected women in Nigeria. 152 Malaria-infected pregnant women were involved; 76 received a vitamin A supplement 3 times a week (once daily), and 76 participants received a placebo without active ingredients. The pregnant women were followed up until the delivery of their…

Zinc, vitamin A and other micronutrients reduce diarrhea symptoms

Summary According to an Indian study, supplementation with zinc and vitamin A combined with other micronutrients could be efficient in treating children with acute diarrhea. The study examined the effects of different micronutrient combinations in children aged between 6 and 24 months with diarrhea and moderate dehydration. The study results were compared to the outcomes…

Zinc prevents respiratory tract infections and diarrheal disease in children

Summary According to a study conducted by several Colombian research institutes, zinc supplementation can have beneficial effects in preventing upper respiratory tract infections and diarrheal infectious diseases in children. 355 children were involved in this study. During 12 months, the test group, including 174 healthy children aged between 6 and 12 months, received a daily…

Zinc supplementation prevents acute respiratory infections in infants

Summary In this Indian study, a zinc supplement was tested as a preventative measure against acute respiratory infections in infants. A group of 272 children, aged between 6 and 11 months, was involved in this study. 141 children received the zinc supplement, and 131 children received a placebo product for 2 weeks. Zinc supplementation was…

Zinc supplementation reduces number of acute lower respiratory infections in children

Summary This study was conducted to investigate the effectiveness of zinc in children with acute lower respiratory infections. The children, aged less than 5 years, received either a zinc supplement or a placebo product for 60 days. Zinc supplementation led to a significantly lower number of cases of acute lower respiratory infections (20.8% vs. 45.8%)…

Vitamin D essential in treating hepatitis C infections

Summary According to this Egyptian study, vitamin D is an essential micronutrient in treating viral hepatitis C infections. The study involved 66 children diagnosed with hepatitis C and 28 healthy children. All participants received conventional therapy, with 33 patients additionally receiving a vitamin D supplement. Several parameters were measured to determine the effectiveness of the…

The beneficial effects of zinc supplements on the incidence of pneumonia and diarrhea in children

Summary Infectious diseases are associated with high morbidity and mortality rates in children in developing countries. A study conducted by several Bengali and American researchers investigated the effects of a weekly zinc supplementation on the incidence of pneumonia and diarrhea in children in Bangladesh. The study participants – children aged between 60 days and 12…

Zinc supplementation reduces costs and duration of acute diarrhea in children

Summary This Philippian study investigated the cost-effectiveness of zinc supplementation in children with acute diarrhea. 117 diarrhea patients aged between 2 and 59 months were involved in this trial. 60 patients received zinc in combination with a conventional oral rehydration solution (standard treatment), and 57 patients received only the conventional treatment. The results showed a…